Ampelideae. Geraniacese. 
105 
3. Ls 3-lobed, leathery, lobes almost entire. FIs appearing 
before the ls.—Thickets; Fort de l’Ecluse near Geneva. 4 
*monspessulanum L. 434. 
Ls 5-lobed (the 2 lower lobes sometimes only indicated). 
FIs at the same time or after the ls 4 
4. Corymbs erect. Wings of the samara spreading almost 
horizontally. Common Maple.—Woods, thickets; distrib. 5 
campestre L. 435. 
— Corymbs at last drooping. Wings of the samara parallel 
or only slightly divergent.—Mountain forests of south¬ 
western Switz., especially in the Jura. 4 
opulifolium Vill. 436. 
OBS. Of the family Hippocastaneee are to be mentioned: 1) Aes- 
culus Hippocastaneum L., Horse chestnut (Pets variegated with white, red, and 
yellow, with a short claw; fr. rough with stiff points). 2) A. Pavia L. (Pets 
with a long claw, red; fr. without stiff points); 3) A. lutea Wangh. (as the 
last but pets yellow), &c. 
20. Ampelidese. 
121. Vitis. Vine. Y, 7. 
1. Ls 3 — 5-lobed, at last glabrescent. FIs, in the wild pi. 
(v. sylvestris Gmel.), imperfectly dioecious.—Cultivated 
and sometimes naturalised. 6 . f vinifera L. 437. 
OBS. V. Labrusca L. is cultivated in Tessin. —Ampelopsis quinquefolia 
P. Sch., an ornamental pi. originally from North America, with ls turning 
purple in autumn, is cultivated to ornament arbours and walls. 
21. Geraniaceae. 
122. Geranium. Geranium. XVI, 10. X, 8. 
1. Pets acute, or rounded, or truncate at the top . 2 
— Pets distinctly indented or 2-fid .... .9 
2. Pets unguiculate or long cuneiform narrowed at the 
base, glabr. Ann. pis with a fusiform root . . 3 
Pets without, or with a short indistinct, claw, ciliate at 
the base. Perenn. pis with an oblique or horizontal rt-stock 
5 
3. Ls angular in contour, palmatisect with 1 — 2-pinnati- 
fid segments, the middle segment petioluled! Seps awned. 
— Shady places, walls; everywhere. 5 Robertianum L. 438. 
— FIs smaller, anthers sulphur yellow (in the last brownish 
red before the pollen is shed); awns of the seps shorter. 
PI. almost without any smell purpureum Vill. 438a. 
— Ls roundish in contour, palmatilobed or -fid; lobes not 
or scarcely reaching the centre, obtuse or truncate, 
shortly 2 — 3-fid towards the top. Seps acuminate 4 
