366 DECANDRIA DIGYNIA. 



HAB. Sandy woods. June July, Tj.; plant a span high; sttm. 

 asfurg. ; Jlower greenish white. 



* * * Flowers somewhat umbellate ; styles -eery short. 



CHIMAPHILA. 



P. umbellata: leaves cuneate-lanceolate, acute at the base, serrate, 



uniformly green, scape corymbed. 

 HAB. Dry woods. July, 7J. ; stem ascend. ; leaves coriaceous, 



semperv. ; Jlower purplish white. 

 P. maculata : leaves lanceolate, rounded at the base, remotely serrate, 



discolored ; scape 2 3-flowered. 

 HAB. Dry woods. July August, ^ ; evergreen, leaves varieg. ; 



Jlower purp. white, nodding. 



203. LEDUM. Labrador Tea. 



L. latifolium : leaves oblong, replicate on the margin, ferruginous- 

 tomentose beneath ; stamens five, as long as the corolla. 



HAB. Sphagnous swamps. June, If. ; a small evergreen shrub ; 

 Jlower corymb., white. 



204. LEIOPHYLLUM. 



L. buxifolium. 



HAB. Pine barrens and high mountains. May. A small evergreen 



shrub, erect ; leaves oval, half inch long ; Jlowers num. in terminal 



umb. t white. 



205. CLETHRA. 



C. alnifolia : leaves cuneate-obovate, acute, coarsely serrate, smooth 

 and green on both sides ; racemes spiked, simple, bracteate, hoary- 

 tomentose. 



HAB. Swamps. August. Shrub 4 8 feet high ; leaves alternate ; 

 Jlower white, sweet-scent. 



206. CASSIA. Wild Pea. 



C. marilandica: nearly smooth ; leaves in 8 pairs, lanceolate-oblong, 

 mucronate ; gland on the petiole obovate ; racemes axillary, many- 

 flowered ; legume linear, arcuate. 



HAB. Wet meadows. August, Ij. ; stem 24 feet high ; Jlower 

 yellow, in large axillary racemes. 



C. Chamcecrista : smoothish; leaves in many pairs, linear, with the 

 gland on the petiole subpedicellate ; buds 2 3-flowered ; 2 of the 

 petals spotted ; legume pubescent. 



HAB. Sandy fields. June May, ; a foot high; leaves some- 

 what sensitive ; Jlower yellow, in bract, fascic. ; base of three peti~ 

 oles spotted. 



C. nictitans : stem spreading, pubescent ; leaves in many pairs, lin- 



