ORDER 30. GERANIACEJE. 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. > 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 petals 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. Flowers 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. 1517 



1 P. TRICOLOR. Lvs. lanceolate, cut-dentate; 3 lower pet. white, 2 upper purp.-blk. 18'. is. 



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



3 P. ZONAXE. Horse-shoe G. Lvs. orbicular-cordate, slightly lobed, toothed, zoned ; stem 



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

 /3. MARGINATUM. 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. Branches thick velvety, Ivs. very soft ; stip. subulate. Fls. w. 



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



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



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



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



1 3 P. BETULINTJM. Smoothish ; Ivs. ovate, unequally serrate : ped. 2-4-flwd. Pale. 3f. 



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



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

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



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

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



17 P. QUERCIFOLHTM. Hispid ; Ivs". sinuate-pinnatifid, often spotted, cordate at base. 3f. 



7. TROF2EOLUM, 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. MAJUS L. Nasturtion. Lvs. peltate, roundish, repand on the margin ; pet. obtuse, 



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



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



3 T. LOBBIANUM. Leaves peltate, reniform, wavy, fixed near the base ; petals crenate, 



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



4 T. PEREGRINTJM. 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. TODCH-ME-NOT. Sepals colored, 4 (the upper 

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

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



