210 CLASS XII. ORDER V. 



Rosa micrantiia. Sm. Small flowered Sweet Briar, 



Fruit ovate ; fruit and peduncles somewhat hispid; 

 prickles hooked ; leafets ovate, acute, with reddish 

 glands beneath. 



This species is more common than the last, which it resem- 

 bles in the odor of its leaves. It is a larger hush, being fre- 

 quently six feet high. When in flower its appearance is quite 

 ditferent, the flowers being while, and hardly more than half the 

 size of the former. Common in dry soils, road sides and pas- 

 tures. — June. 

 Rosa Caroliiviana. L. Swamp Rose. 



Germs globular, hispid; peduncles somewhat his- 

 pid; stem with stipular prickles; petioles prickly. L. 



This rose grows in swamps and in woods, sometimes form- 

 ing thickets of itself. The stems vary greatly in the number 

 and size of their prickles, even those which spring from the 

 same root. They are commonly of a reddish color, and their 

 prickles nearly straight. Leaves pinnate, with five or seven 

 oval leafets, sharply serrate and paler on the under side. Flow- 

 ers red, growing in a sort of corymbs. Fruit spherical, flattened 

 at the ends. — June, July. 



221. RUBUS. 

 RuBUS occiDENTALis. L. Black Raspberry. Thimblcberry . 



Leaves trifoliate, downy underneath, stem prickly, 

 petioles round. L. 



Frequent about fences, thickets, &c. The stems are prickly, 

 long and slender, bending over in the form of an arch, and cov- 

 ered with a bluish or glaucous powder, which readily rubs oif, 

 Leafets in threes, oval, loosely serrate, acuminate, green above, 

 whitish and downy underneath, the two lateral ones nearly ses- 

 sile. Petioles roundish, prickly. Flowers white, in terminal 

 racemes. Fruit black, sprightly, and pleasant to the taste. — 

 May. 

 RuBUS STRiGOsus. Midi. W^ild Red Raspberry. 



Unarmed, strongly hispid, leafets in tlirees, or five 



