3 DICOTYLEDONOUS PLANTS. 



HAB. Swamps and salt marshes. N. Y. to Car. Aug. 2{. 

 Stem 4 6 feet high. Flowers large, white with a purple cen- 

 tre. 



3. H. palustris Linn. : leaves ovate, toothed, somewhat 3-lobed, 

 white-tomentose beneath ; pedicels axillary, distinct from the petioles, 

 auriculate above the middle. 



HAB. Salt marshes. Can to Car. Aug. If. Stem 3 4 feet 

 high. Flmcers purple, smaller than the preceding. 



4. H. mUitaris Hllld. : leaves 3-lobed, hastate, acuminate, serrate, 

 smooth ; pedicels articulate in the middle ; corol subcampanulate } 

 capsule ovate, acuminate, smooth ; seeds silky. H. virginicus Walt. 

 H. liastaius Midi. 



HAB. Banks of streams. Penn. to Car. W. to Arkansas. Aug. 

 2-f- Stem 3 4 feet high. Flmcers large, purple, axillary, soli- 

 tary. 



5. H. trionum Linn. : leaves toothed ; lower ones scarcely divided ; 

 upper ones 3-parted ; lobes lanceolate, middle one very long ; calyx 

 inflated, membranaceous, nerved. 



HAB. Apparently naturalized near Albany, N. Y. July. Of. 

 Stem 2 feet high. Fbncers yellowish- white, with the lower part 

 purple. Flower -qf-an-Hour. 



4. SIDA. Linn. 



Calyx naked, 5-cleft, often angled. Style many cleft at 

 the top. Cai)sules numerous, arranged circularly, 1-celled, 

 1 3 seeded. Monadelfthia. Polyandria. 



1. 8. spinosa Linn. : leaves ovate-lanceolate, toothed, with the tuber- 

 cles at the base spiny ; pedicels axillary, solitary, shorter than the 

 stipules and petioles ; capsules 5, bi-rostrate. 



HAB. Pine barrens. Penn. to Car. W. to Miss. July, Aug. 

 . Stem 12 feet high, branched. Flowers solitary, yellow. 

 Leaves sometimes subcordate. 



2. <S>. nap eta inihl. : leaves palmately 5-lobed, smooth ; lobes oblong, 

 acuminate, toothed ; peduncles many-flowered ; capsules 10, awnless, 

 acuminate. Napcta Ictris Linn. 



HAB. Rocky places. Penn. to Virg. ; rare, Pursh. Stem 3 4 

 feet high. Flowers small, white. 



3. & dioica WiUd. : leaves palmately 7-lobed, rough ; lobes lanceo- 

 late, incisely toothed ; peduncles many-flowered, bracteate, subco- 

 rymbed ; flowers dioecious ; capsules 10, awnless. Napaa, dioica and 

 N. scabra Linn. 



HAB. Stony ground. N. S. Torr. Oct. U.Stem 45 feet 

 high. Flowers small, white. 



4. & abut Hun Linn. : leaves roundish-cordate, acuminate, toothed, 

 tomentose ; peduncles shorter than the petioles ; capsules 15, trun- 

 cate, birostrate, hairy. 



