198 XXVHU. GERANIACE. PELARGONIUM. 
ones are white, slightly veined, the 2 upper of a rich purple, almost black at 
base. 
6. P. CORIANDRIFOLIUM. Coriander-leaved Geraniwm.—St. herbaceous, bien- 
nial, somewhat downy; /vs. bipinnate, smooth, lobes linear, subpinnatifid— 
Stem diffuse, 1f high. Distinguished by the finely divided leaves and large 
flowers. The 2 upper petals much the largest, obovate, veined with purple; 
the 3 lower, of which the middle one is often wanting, are narrow and of a 
pure white. - 
*** Leaves neither divided nor angular; stem fruticose. 
7. P. Guaucum. Glaucous-leaved Geranium—Very smooth and glaucous; 
ivs. lanceolate, entire, acuminate; ped. 1—2-flowered—Stems 3f high, shrubby 
and branched. The plant is remarkably distinguished by its leaves. Pedun- 
cles axillary, with 1 or 2elegant flowers. Petals obovate, of a delicate blush- 
color, with red veins. 
8. P. neruLinum. Birch-leaved Geraniwm.—Lws. ovate, unequally serrate, 
' smoothish; stip. ovate-lanceolate; ped. 2—4-flowered.—Stem shrubby, 3f high. 
The plant is well named forits leaves. Flowers pale-pink, with deep red veins. 
‘9. P. acerosum. Sorrel-leaved Geranium.—Lvs. very smooth, obovate, crenate, 
somewhat fleshy; ped. few-flowered; pet. linear—Stem shrubby, 3f high. 
Named for the acid flavor of the leaves. Flowers pink. 
*+*** Leaves either angular or palmately lobed; stem fruticose. 
10. P. zonite. Horse-shoe Geraniwm.—Lvs. cordate-orbicular, obsoletely 
lobed, toothed, marked with a concentric zone-——Stem thick, shrubby, 2—3f 
high. One of the most popular of all the species. Leaves always marked 
with a dark concentric stripe of various shades. The flowers are of a bright 
scarlet, umbeled, on long peduncles. It has many varieties, of which the most 
remarkable is— 
8. marginale; silver-edged, the leaves of which are bordered with white. 
11. P. rnquinans. Scarlet Geranium.—Lvs. round-reniform, scarcely divided, 
erenate, viscid; wmbels many-flowered ; pet. obovate, cuneate—Justly admired 
for the vivid scarlet of itsnumerous flowers. The name alludes to the reddish, 
clammy moisture which stains the fingers in handling the soft, downy branches. 
12. P. pe:tatum. Ivy-leaved Geranium.—Lvs. 5-lobed, entire, fleshy, smooth, 
more or less peltate ; wmbels few-flowered—Stem climbing, several feet in 
length. Whole plant very smooth. A beautiful species, with umbels of very 
handsome purplish flowers. 
13. P. TETRAGONUM. Square-stalked Geraniwm.— Branches 4-cornered, fleshy ; 
ws. cordate, bluntly lobed, somewhat toothed ; pet. 4, the upper ones ‘pele pink, 
with crimson veins, the 2 lower small, white-—Leaves small, rounded, notched, 
with scattered hairs. 
(14, P. GranpirLorum. Large-flowered Geraniwm.—Smooth, glaucous; lvs. 
5-lobed, palmated, cordate at base, the lobes dentate towards the end; pet. three 
times as long as the calyx.—Distinguished for the size and beauty of the 
flowers, which are white, the 2 upper ones elegantly veined, and tinged with 
red, larger than the rest. 
15. P. GravedLeNns.  Rose-scented Geranium.—Lvs. palmately 7-lobed, lobes 
oblong, bluntly toothed, revolute, and very rough at the edge; wmbels many- 
flowered, capitate-—Nectary about half as long as calyx. Leaves very fra- 
grant. Flowers purple. - 
16. P. raptta. Rasp-leaved Geraniwm.—Lws. palmate, rough; lobes narrow, 
pinnatifid, revolute at edge, with linear segments; umbels few-flowered ; nec- 
tary nearly as long as the calyx.—Distinguished for its large rough leaves 
aeeply divided into linear segments, and with a mint-like fragrance. Flowers 
purple. 
17. P. quercirotium. Oak-leaved Geraniwm.—tLas. cordate, pinnatifid, with 
rounded recesses, lobes obtusely crenate; branches and petioles hispid—Leaves 
rough, often spotted. Flowers purplish. 
