ORDER 31. aERANIACE^E. 277 



from tlio base upwards and adhering by the point to the summit of the 

 axis. Herbaceous, rarely shrubby at the base. Peduncles 1, 2 or 

 3-flowered. 



Petals 'entire, twice as Ion? as the- awned sepals ................. ^ og j 3 



Petals notched or 2-lobed, not longer than sepals ........... ......'.. ......I.'!!... '.".Nos. 8,4 



1 G. maculatum L. SPOTTED GERANIUM. St. erect, angular, dichotomous, ro- 

 trorsely pubescent ; Ivs. palmately 3 5-lobed, lobes cuneiform and entire at base, 

 incisely serrate above, radical ones on long petioles, upper ones opposite, on short 

 petioles; petals entire; sep. mucronate-awned. If "Woods, etc., U. S. and Can., 

 but rare in N. Eng. A fino spectes worthy a place among the parlor " gerani- 

 ums." St. 1 to 2f high. Lvs. 2 to 3' diam., cleft way down, 2 at each fork. 

 Fls. mostly in pairs, on unequal pedicels, often somewhat umbeled on tho ends 

 of the long peduncles. Eoot powerfully astringent. Apr. Jn. 



2 G. Robertianum L. HERB ROBERT. St. diffuse, hairy ; Ivs. pinnately ^-parted 

 to the base, the segm. pinnatifid, and tho pinuee incisely toothed ; sep. mucronato- 

 awned, half the length of the entire petals. (D Smaller than the preceding, in 

 dry, rocky places. Can to Ya. and Ky. It has a reddish stem, with long, diffuse, 

 weak branches. Lvs. on long petioles, somewhat hairy, outline H to 3' diam., 

 with pinnatifid segments. Fls. small, pale-purple. Capsules small, rugous, keeled. 

 Sds. smooth. The plant has a strong disagreeable smell. May Sept. 



3 G. pusillum L. St. procumbent ; Ivs. reniform or roundish, deeply 5 to f -parted, 

 lobes 3-cleft, linear ; sep. hairy, awnless, about as long as the emarginato petals. 

 (D A delicate, spreading species, growing ia waste grounds, pastures, etc., L. I si. 

 and "Western N.Y. (Torr). St. weak, If long, branching, covered with short, de- 

 flected hairs. Lvs. opposite, divided almost to the base into 5 or 7 lobes, theso 

 again variously cut Fed. axillary, forked, bearing 2 purplish-red flowers in Jn. 

 and Jl. Eur. 



4 G. Carolinianum L. St. diffusely branched ; Ivs. deeply 5-parted, lobes in- 

 cisely toothed ; ped. rather short and clustered on the ends of tho branches ; sep. 

 mucronate-awned, as long as the emarginato petals. (T) Fields and hills, through- 

 out Can. and U. S. Sts. pubescent, diffuse, 8 to 15' long, swelling at tho joints. 

 Lvs. 9 to 18" diam., hairy. Fls. small, rose-colored, in pairs, and somewhat fas- 

 ciculate. Sds. minutely reticulated, reddish-brown, 1 in each hairy, beaked car- 

 pel. Jl. (G-. dissectum L ?). 



2. ERODIUM, LMIer. HERON'S-BILL. (Gr. epw&o^, a heron ; from 

 the resemblance of the beaked fruit to the heron's bill.) Calyx 5-leaved ; 

 petals 5 ; filaments 10, the 5 alternate ones abortive; fruit rostrate, of 

 5, aggregated capsules, tipped with the long, spiral style, bearded in- 

 side. Fls. umbellate. 



E. cicutaritim Sm. Diffuse, hairy ; Ivs. pinnately divided, segm. sessile, pinnatifid. 

 incised, acute ; ped. several-flowered ; petals unequal. Shores of Oneida Lake, 

 N. Y. Sts. mostly prostrate. Lvs. oblong in outline, with many segments. Fls. 

 2 to 3" diam. May Jn. Eur. "Widely diffused in California. 



3. PELARGONIUM, L'llcr. (Gr. mOapya?, a stork; from the re- 

 semblance of the beaked fruit to a stork's bill.) Sepals 5, the upper 

 one ending in a nectariferous tube extending down the peduncle with 

 which it is connected ; petals 5, irregular, longer than the sepals ; fila- 

 ments 10, 3 of them sterile. A large genus of shrubby or herbaceous 

 plants, embracing more than 300 species, and innumerable varieties, 

 nearly all natives of the Cape of Good Hope. Lower Ivs. (in plants 

 raised from the seed) opposite, upper ones alternate. 



* Acaulesccnt (nearly). IU. tuberous. Lvs. decompound. Pet. yellowish brown. . .Nos. 1, 2 



* Caulescent. Stems herbaceous, or somewhat shrubby at base .................... Ho* 3 G 



Stems shrubby. Lvs. neither divided nor angular ................ ^ No *' 7 ~? 



Lvs. angular or with shallow lobes .............. Nos. 3014 



Lvs divided beyond tho middle ......... * ....... Nos. 1518 



