?54 MONADELPHIA.— POLYANDRIA 



DECANDRIA. 



429. GERANIUM. Geraniacece. 



1 . G. maculatum : stem angular, erect, retrorsely pu 



bescent, dichotomous ; leaves 3 — 5-parted, in- 

 cised ; radical ones on long petioles ; upper ones 

 opposite, sessile ; petals entire ; filaments scarcely 

 ciliate at the base. 

 I-IAB. Woods. May— June. U. Stem 1—2 ft. high ; 

 leaves hairy ; fl. large, purp. 



2. G. carolinianum : diffuse, pubescent; leaves 5- 



parted ; segments 3-cleft ; incised peduncles 

 crowded, subfasciculate ; petals emarginate, as 

 long as the awned calyx ; pericarps hairy ; seeds 

 smooth. 

 JJAB. Hills and fields. May— June. ©. Stem 12— 

 18 in. long, much bran. ; fl. small, wh. 



5. G. pusillum : leaves subreniform, 7-lobed ; lobes 

 3-cleft ; petals subemarginate, as long as the point- 

 less calyx ; pericarps pubescent, not rugose ; 

 seeds smooth. 

 HAB. Pennsylvania. May. ©. 



I. G. dissectum : diffuse, pubescent; leaves 5-parted ; 

 segments 3-cleft, linear; petals emarginate, as 

 long as the awned calyx ; pericarps hairy ; seeds 

 reticulate. 

 11AB. Dry hills. June — July. ©. Stem I ft. high, 

 pubes. ; fl. small, pale red. 



">. G. Robertianum : leaves 3 — 5-parted ; segments 

 pinnatifidly 3-cleft ; petals entire, much longer 

 than the angular awned calyx ; pericarps small, 

 reticulate, rugose ; seeds smooth. 

 II AB. Rocky places. May — Sept. 0. Stem long, 

 red ; fl. small, pale purp. 



POLYANDRIA. 



430. SIDA. Indian Mallow. Malvacev. 



1. S.spinosa: leaves ovate, lanceolate, dentate, with 

 the tubercles" at the base spiny ; pedicels axillary. 



