However, sometimes other methods are also used when mounting algal specimens to ensure they are completely protected. Below is an image of an
collected from the Cocos & Keeling Islands. The algae have been adhered to the paper by wet-mounting with muslin to keep the specimens in place. Unfortunately, the muslin was not removed in the critical stage between drying completely and being damp and now it is impossible to remove the muslin for closer identification of the plants without breaking the fragile, dried specimens.
In contrast, as my last post described, I have been investigating two albums of seaweeds collected in the 19th century by two different collectors - one from Port Arthur in Tasmania, and the other from the Port Phillip Bay in Victoria. Although these are both albums of dried botanical specimens, they both differ greatly from scientific exsiccate.
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Front page of the Port Phillip Seaweed Collection.
NMA. Photo : George Serras |
The first album, known as the Port Phillip Seaweed Collection, has many pages of dried algal specimens collected mostly from St Kilda and Queens Cliff (now Queenscliff) between the years of 1859 -1882. There are also a few specimens collected in previous years from Ireland and from the Cape of Good Hope. The album itself is anonymous, so we have no idea of its provenance - who collected it, whether they were male or female, or why. It is likely that this book was purchased as a blank album to fill with a seaweed collection, as the front page is printed with a poem that reads:
"Call Us not Weeds - we are Flowers of the Sea
For Lovely, and bright, and gay tinted are we;
And quite independent of culture or showers -
Then call us not Weeds, we are Ocean's Gay Flowers"
There have been other seaweed albums from around the world that also have this inscription in them. Many of the specimens are annotated with the place of collection and the year and/or month of collection. A proportion of the specimens are also named botanically, however whether these classifications are correct or not is still to be investigated. As you can see, mounting tape (white) but also sticky tape (yellowed and brittle) have been used to adhere the separate specimens to the exsiccate page. This clue seems to point to the fact that the specimens were made and kept, perhaps for some time, before collaging into the exsiccate.
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Page of seaweed specimens, Port Phillip Seaweed Collection.
NMA. Photo : George Serras |
There are also several pages of cryptogams (plants which reproduce by spores, not seeds) towards the back of the album - ferns, mosses and lichens - which have also been classified. Was the collector knowledgeable on the taxonomy of cryptogams, or was he/she looking through botanical references produced overseas in order to name them? These are questions only a trained botanist may offer insight into.
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Page of bryophyte specimens, Port Phillip Seaweed Collection.
NMA. Photo : George Serras |
If this was the case many of the species may not be correct, and this is something I could further investigate with the help of Dr Cargill at the ANBG. Another interesting observation is that the specimens are not collated in chronological order, so during my time here at the NMA I have systematically gone through the hi-res digital images of the album to collate this information to build up a picture of the geographical movements of the collector and the patterns of collection.Perhaps the owner of this album only collected specimens during seaside holidays, as sometimes there are almost decades between collections.
It is very clear to see the difference between this collection and that of the ANBG Herbarium exsiccate with relation to placement and mounting of specimens, and annotation of provenance. This album has been compiled with several different species all on one page, and often not from the same year or place.
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Front cover of the Port Arthur Seaweed Collection.
NMA. Photo : George Serras |
The second seaweed album, known as the Port Arthur Seaweed Collection, is equally fascinating because of it's lack of provenance, and the different mode of collection and collation. This album is much smaller than the Port Phillip album, but has at least one point of reference to its collector and the date it was collected. The front cover has a label affixed stating " Seaweeds and Mosses collected at Port Arthur, Van Dieman's Land 1836". The inside cover has a signature "C. Frere". The specimens themselves are arranged neatly and artistically, again with many per page, but in this album there is no attempt at specimen identification on either the seaweeds or the two pages of mosses. You can see that the algae have been wet-mounted from the reverse of the page where it has buckled with the damp from the specimens.
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Page of seaweed specimens, Port Arthur Seaweed Collection.
NMA. Photo : George Serras
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Like the previous album there are also several pages of cryptogams that have been collected. The page is labelled "Mosses" but there are a few ferns mounted in there as well.
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Page of bryophyte specimens, Port Arthur Seaweed Collection.
NMA. Photo : George Serras |
Dr Kirsten Wehner in her article
(here) on these two albums had an idea that 'C. Frere' could have been Catherine Arthur, the daughter of George Arthur, Governor of Tasmania 1823-1836. Catherine later married Sir Henry Bartle Frere while they were both living in India, so this last week I have been tracking down examples of her handwriting and signatures so the team at PATE can compare them.
This would be a wonderful link, if the evidence supports it, because then the album would have a whole layer of history to add to it, linking it to other events both in Australia and overseas.
As I mentioned at the beginning of this post, the two national institutions I have been artist-in-residence with - the ANBG and the NMA - have collected similar types of objects from similar periods of time. However, that is where the similarities end. As a scientific institution, the ANBG herbaria (there is one for the Cryptogams and another for vascular plants) need to have as much information about where the specimen was collected as possible, otherwise they are useless as a point of reference. Herbaria have sets of
type specimens - i.e. those which define and act as name-bearers for a species. New specimens can be compared against the type specimen and results published in scientifically reviewed papers. There are about ten categories of
type specimens but two examples are
holotypes (a single specimen designated as a type of the species by the original author at the time the species name and description was published); and
isotypes ( a duplicate specimen of the holotype). A scientific herbarium would never collect an object such as the Port Phillip or Port Arthur Seaweed Collections because there is simply not enough relevant data that accompanies them; the specimens are compiled together, risking physical damage and/or contamination, and they are perhaps not displayed correctly as a tool for future research. However, although these two collections are not suitable for scientific institutions, they are incredibly important objects with regards to a Museum collection.
The NMA collects objects on several different levels for its collections, the main one being the National Historical Collection, or NHC. Objects within the NHC comprise a rich and diverse collection of Australian historical material which is held in trust for the nation. These objects contain important stories about our past, present and future as a nation and can vary widely in type and size. For example, the other day out at the Mitchell repository I saw the painted double decker
Peace Bus, which was used by the People for Nuclear Disarmament in the 1970's. Measuring 9 metres long, 4.3m high and weighing a massive 10,400 kg this amazing bus was totally decorated with hand-painted flora and fauna of the Pacific. In contrast there are many smaller and more fragile objects, including the two seaweed albums I have been researching. To date my research of these albums has been online by gaining access to the hi-res photographs that have already been taken of the albums under strict conditions. Although not as tangible as the real objects themselves, these photographs show details that perhaps you would not see as clearly with the naked eye viewing the actual album. Because both albums are so fragile, they must be viewed with a conservator or registrar at hand to turn pages and ensure the book has the correct supports to prop it up for viewing . I have made an application to view these books in a few weeks time so will blog about that soon.