Botanical Society of Edinburgh. 165 
soft cushion at the end. Fold some soft paper in several folds, upon this 
lay the topmost leaf, or group of leaves, face uppermost; take some of 
the black upon your first finger and smear it over the leaf (or leaves) 
quite evenly and quickly; lay them down on your crayon paper in their 
right position; put a thin piece of paper over them, holding it quite 
steadily, and rub each leaf firmly all over, following the veins of the 
leaves, running your finger from the stem to the point, and from the mid- 
rib to the edge. Each bit should be done at once; going over the same 
part twice often causes a double impression. Raise the leaf quickly when 
done. Jn blacking the leaves include the footstalk ; it will never make a 
perfect impression, but serves to mark the outline, and forms a guide for 
you afterwards. No blots, or thicker portions of the black must be al- 
lowed ; they will make a blotch in the impression. Work downwards 
-from the top of the branch. When all your leaves are finished, take 
lithographic chalk and draw in the whole of the stem, branches, and foot- 
stalks, marking any irregularities, knots, or buds, as these should be 
finished with equal care and accuracy. Lithographic chalk has the ad- 
vantage of fixing at once, and blends better with the printing than any 
erayon or glossy pencil, As to the capabilities of this process, I found 
that a group of acacia or elm leaves could be done together ; the horse- 
chestnut, ash, or walnut leaves, require to be separated. No very glossy 
or very rough leaf will take the black sufficiently to make a good impres- 
sion. All the leaves must be perfectly fresh. I have done a series of 
forest trees, including several of the fir tribe. These last print very im- 
perfectly, but still well enough to show the character of the tree, and the 
imperfect parts can be filled in with chalk. I have also done a number 
of the ferns, the difficulty with them being solely in their size; but I 
divide them into suitable portions, and no break is discernible in the im- 
pression. I thus managed to print both the Osmunda regalis and the 
common bracken. If the surface you have to blacken is too large, the 
first bit you do becomes dry before the rest is finished. Many flowers are 
capable of being printed. 
V. Notice of the Tallow Tree of China (Stillingia sebifera), lately intro- 
duced into the Punjaub. By Witttam Jameson, Esq., Saharunpore. 
Communicated by Professor Batrour. 
V1. Memorandum on Local Museums in the Punjaub. By Huceu 
Crecuorn, M.D. 
VII. Notice of an Ash Tree struck by Lightning at Dunipace. By the 
Rev. THomas RoBertson. 
Mr Robertson gave some account of an ash tree which was struck by 
lightning on 14th June 1849, of which he was an eye-witness. The tree, 
which was of large size, grew close by the Avon Burn, and near the 
manse of Dunipace. 
VUI. Register of Plants in Flower in the Open Air at the Royal 
Botanic Garden. By Mr James M‘Nas. 
1. Third Spring List :— 
Asarum europeum, March 15. | Narcissus moschatus, March 25. 
Saxifraga crassifolia, March 18, | Pseudo- Narcissus, March 
Fritillaria imperialis, March 22. | 28. 
Dalibarda geoides, March 28, | Anemone nemorosa, April 2. 
Corydalis solida, March 24. | Adonis vernalis, April 7. 
