ORDER 30. GERANIACE^E. 69 



the upper one ending in a nectariferous tube extending down the pedicel. 

 Petals 5, irregular, longer than the sepals. Filaments 10, 3 or 5 of 

 them sterile, 5 or herbs. A large and ornamental genus, chiefly S. Afri- 

 can, everywhere cultivated. Lower leaves (in plants raised from the seed) 

 opposite, upper alternate. Figs. 243, 350. 



Filaments 10, the alternate ones bearing anthers. Upper petal? larger Nos. 1, 2 



Filaments 10, of which 7 bear anthers, and 3 are sterile. . .(a) 



a The 2 upper petals smaller, all scarlet, 1-colored. Shrubby Nos. 3 5 



a Petals nearly equal in size, mostly variegated. . . (b) 



b Stemless. Root tuberous. Leaves laciniate. Flower? brown Nos. 6, 7 



b Stems shrubby. c Lvs. cordate, palmate, lobed. Flowers small Nos. 8, 9 



c Lvs. peltate or cordate, 5-lobed, smooth No. 10 



a Two upper petals longer and broader. Stems shrubby., .(d) 



d Flowers white, the 2 upper petals striped with red Nos. 11. 12 



d Flowers purple. e Leaves undivided Nos. 13, 14 



e Leaves divided below the middle Nos. 15 17 



1 P. TRICOLOR. Lvs. lanceolate, cut-dentate; 3 lower pet.white, 2 upper purp.-blk. IS 7 , it 



2 P. CORIANDRIFOLIUM. Lvs. bipinnate ; pet.white, upper purp.-veined, very large. If. () 



3 P. ZONALE. Horse-shoe, G. Lv?. orbicular-cordate, slightly lobed, toothed, zoned : stem 



fleshy, shrubby ; petals cuneiform ; flowers nmbelled. 2 3f. Numerous varieties. 

 j3. MARGIN ATUM. Silver-edged; the leaves bordered with white. 



4 P. INQUINANS. Lvs. round, reniform, scarcely lobed, crenate viscid ; pet. obov. 2 3f. 



5 P. FOTHERGILLII. Lvs. renifm., 5-lobed, crenate, zoned ; stip. toothed, ciliate ; pet. obov. 



6 P. FLAVUM. Carrot-leaved Geranium. Lf. lobes many, lin., hairy: fls. brownish-yell. 



7 P. TRISTE. Mourning Ger. Lf. lobes lin., acute ; pet, dark-green, obi., obovate. If. 



8 P. FRAGRANS. Nutmeg G. Bran ches thick velvety, 1 vs. very soft ; stip. subulate. Fls. w. 



9 P. ALCHEMILLOIDES. Villous ; Ivs. 5-lobed ; peduncle few-flowered; Us. pink-colored. 



10 P. PELTATITM. Ivy-leaved G. Br. fleshy; Ivs. more or less peltate ; fls. purplish. 



1 1 P. GLAUCUM. Glabrous, glaucous ; Ivs. lanceolate, entire ; ped. 1-2-flowered. 3f. 



12 P. GRANDIFI.ORUM. Glab., glaucous ; Ivs. 5-lobed, toothed at end ; fls. very large. 3f. 



13 P. BETULINUM. Smoothish ; Ivs. ovate, unequally serrate ; ped. 2-4-flwd. Pale. 3f. 



14 P WATSONIT. Lvs. orbicular, cordate, some lobed, dentate; fls. large, varieg. 3f. 



1 5 P. GRAVEOLENS. Rose Ger. Lvp. palmately 7-lobed ; lobes toothed, revolute, very 

 rough at the edge ; umbels many-flowered, capitate. 3f. Very fragrant. 



1 6 P. RADTJLA. Lvs. palmate, rough, lobes narrow, rolled at edge, pinnatifid with linear 

 segments ; umbels few-flowered. 3f. Fragrance mint-like. 



1 7 P. QUERCIFOLTUM. Hispid ; Ivs'. sinnate-pinnatifid, often spotted, cordate at base. 3f. 



7. TROPJEOLUM, L. INDIAN CRESS. NASTURTION. Fls. irregular. 

 Sep. 5, produced behind into a free spur. Pet. 5, the 2 upper exterior, dif- 

 ferent from the 3 lower. Stamens 8, free, unequal, perfect. Style 1. Ov. 

 3-celled, in fruit separating from the short axis into 3 hardened achenia. 

 Leaves alternate. Stipule 0. Flowers showy. S. Am. (See Addenda.) 



1 T. MA.TUS L. Nasturt.ion. Lvs. peltate, roundish, repand on the margin ; pet. obtupe, 



the 3 lower Irlnged and long-clawed at base. Flowers orange, scarlet, crimson, &c. 



2 T. MINUS. Smaller, erect ; petals pointed, yellow to white, or variegated. Peru. 



8 T. LOBBIANUM. Leaves peltate, reniform, wavy, fixed near the base ; petals creuate, 

 rounded, the 2 lower fringe-toothed, all shade? of red. Columbia. 



4 T. PEREGRINTTM. Canary Bird. Leaves deeply 5-7-lobed, lobes toothed ; spur hooked; 

 petals light yellow, 2 of them large and much lobed. A tall climber. 



8. IMPATIENS, L. TOUCH-ME-NOT. Sepals colored, 4 (the upper 

 one double), the lowest saccate and spurred. Petals apparently 2, each 

 of them 2-lobcd (double). Stamens 5, short, the anthers cohering at 



