Botanical Illustrations of Moss: Step by step Sphagnum tenellum

Story posted: Friday, 23. December 2016 by Lizzie Harper

I’ve been working on botanical illustrations recently for the Field Studies Council; specifically on a big batch of Heathland plants.  Amongst these are several moss species.

The first step is to get your hands on the moss itself; drawing mosses is so unusual and new for me that unless I have a reliably identified specimen to work from, there’s no way I can even begin an illustration of the species.  I’ve been incredibly lucky in having the support of Ray Woods (Radnorshire Wildlife Trust botany and mycology expert) and Jonathan Sleath (British Bryological Society), both of whom collected and delivered samples for me.

Drawing up the pencil roughs of the mosses required a different approach from my normal atonal line drawings, this is because the moss makes very little visual sense without shadows, so each pencil rough is almost a finished tonal study.

Lizzie Harper botanical illustration illustrating bryophyte moss

Pencil rough of Sphagnum tenellum

Getting into the detail of the bryophyte was a challenge, until I took my contact lenses out (I’m very short sighted).  Suddenly, by peering closely and getting right down to the moss, I could see every tiny detail of the plant, and just drew what I saw.

I also made sure I was “seeing” the plant correctly by checking for distinctive and species-specific traits with a couple of brilliant reference books; Mosses and Liverworts of Britain and Ireland: A Field Guide by Ian Atherton, Sam Bosanquet and Mark Lawley, The Moss Flora of Britain and Ireland by Smith, and British Mosses and Liverworts by E.V. Watson.

Once I got the go-ahead on the roughs, I started by delineating the edge of each leaf of the moss in various shades of green.  S. tenellum is a very yellow species, tinged with orange (but also green at times), so I used a variety of hues.  Without my trusty Winsor & Newton series 7 sable paintbrush (sizes 1 and 000) this would have been impossible – the brush holds its point, and enough paint, like no other paintbrush I’ve ever used.

Lizzie Harper botanical illustration illustrating bryophyte moss

Delineating the leaves of S. tenellum

Because I was mixing colours in the paint-box and looking closely at the moss specimen (and my drawing), I put one contact lens in (so I could see what colours I was mixing) and left the other out (so I could focus on the minutae of the plant.)  An odd approach, but it was really effective!

I made sure one area of the moss was significantly brighter and lighter than the rest of the clump, in the hope that this would help give it some depth, and convey the cushion-like habit of the Sphagnum.

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with all the details outlined

Next I added colour to the background; again, this was a mix of greens, yellows and ochres.

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with spaces between the moss stems blocked in

I applied a very pale yellowish wash to the whole clump to try and unify it, but left the top of the clump on the right hand side white – this is the area that needs to look raised; by putting a wash there I’d have flattened it.

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with wash applied

Back to the background of the clump, and I picked out the darkest areas of shadow with a mix of browns and blues.  Although this gives the moss clump substance, it also knocks back the more subtle detailing done with lighter colours.

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with dark areas of shadow picked out

Another layer of wash is applied to the picture, this time making the different colours of the areas of the moss more distinct (and still leaving the raised area white).

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with a second layer of wash applied

At this point I was beginning to wonder if the moss would ever look right, so I had a cup of tea and a 5 minute break.  When I came back, I noticed the flush of red around the tips of the shoots, so added a suggestion of this to the painting.  Instantly the illustration was improved.

Lizzie Harper botanical illustration illustrating bryophyte moss

S. tenellum with red added to the shoot tips

I was feeling a little more cheerful by now, so happily worked further into the darks with greens, browns, blues and reds.

Lizzie Harper botanical illustration illustrating bryophyte moss

More tonality and detail is added

I considered leaving the pale areas on the right of the moss white (they looked good on the paper), but when I scanned the illustration they stood out and looked forced and clunky.  I added a very pale top wash of yellow ochre which knocked them back without swallowing them up.

The last step was to illustrate the associated diagnostic structures, and a side view.  Compared to the main clump this was straightforward (although I was still working very small).

Lizzie Harper botanical illustration illustrating bryophyte moss

Final Sphagnum tenellum

I won’t pretend that working on these moss botanical illustrations is easy, but it is incredibly rewarding, and I am becoming quite passionate about the glorious variety and intricate details of these stunning lower plants.


On another topic entirely, I'm afraid I've had to turn off the "comments" button on my blogs due to spamming.  If you would like to give any comments or feedback, please do so on my Facebook page or Twitter account or email me at info@lizzieharper.co.uk.  Many many thanks; and apologies.

 

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