148 HEXANDRIA.— MONOGYNIA. 



2. T. rosea : erect, simple ; leaves linear ; peduncles 

 elongated ; calyx smooth. 

 HAB. Wet sandy fields. May. %. Stem 1 fi. 

 high ; leav. narrow ; fl. small, rose-col. 



229. LEONTICE. Berberidece. 



L. thalictroides : leaves bi-triternate ; leaflets 2 — 3 



lobed ; flowers paniculate, from the centre of the 



leaves. 

 HAB. Rocky woods and mountains. Apr. — May. 



1£. Aft. high, smooth, mostly 2-leav. ; fl. sm., 



greenish-yell. ; seed large, dark blue. 



230. BERBERIS. Barberry. Berberideai. 



B. vulgaris h canadensis : branches punctate, armed 

 with trifid spines ; leaves oblong-obovate, distinctly 

 ciliate-serrate ; racemes simple, subcorymbose. 

 recurved. 



HAB. Rocky hills. May— June. Shrub 3—4 ft. 

 high ; leav. altern. ; filam. irritable ; fl. yell. ; her. 

 red, acid. 



231. PRINOS. Winterberry. Rhamni. 



\. P. verticillatus : leaves deciduous, oval, serrate, 

 acuminate, pubescent beneath : flowers 6-parted, 

 dioecious ; staminiferous axillary, subumbellate ; 

 pistilliferous aggregated. 

 HAB. Moist woods and swamps. June. Shrub 6 — 3 

 ft. high ; leav. alt. ; fl. white ; her. scarlet, 

 a. tenuifolius : leaves obovate, membranaceous, 

 smooth beneath ; pistilliferous 4 — 5 cleft, Subsoli- 

 tary. 

 HAB. Swamps. Leav. do'tuse, or slightly acum. , 

 midrib pube* . 

 -. P. Qtf&iguus: leaves deciduous, oval, cuminate ai 

 each end ; flowers 4-cleft ; staminiferous ones 

 crowded on the lower branchlets ; pistilliferous 

 solitary, on long peduncles. 

 HAB. Near Philadelphia. A small tree, bark whi- 

 tish; leav. smooth, petiolate, 



