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Ord. -CACTAC/KA 

 Opuntia 

 Opuntia vulgaris. Mill. (Cactus opuntia. Lin.) Prickly Peae. 

 Sandy places. F. yellow. Fruit eatable. 



Ord— SAXIFRAGACE^E. 

 Heuchera. 

 Heuchera Americana. Alum-root. Fl. purplish. May, June. 

 Root powerfully astringent, hence common name. 



Hydrangea, arborescens. (H. vulgaris. Michx.) Common Hyd- 

 rangea. Banks of streams. F. white. Astringent. 

 Ord.— HAM AMEL ACE M. 

 Hamamelis. 

 Hamamehs Virginiana. Witch Hazel. F. yellow. Astringent 

 and sedative. 



Ord.—UMBELLIFER^E. 

 Nearly all the Umbelliferae possess aromatic, stimulant and carmin- 

 ative properties, depending upon a volatile oil, chiefly accumulated in 

 the roots and reservoirs (vittae) of the fruit, sometimes it is small in 

 quantity, so as merely to flavor the saccharine roots, which are used 

 for food. In many the herbage is pervaded by an acrid narcotic 

 principle, rendering them very poisonous. 



Sanicula. 

 Sanicula Marilandica. Sanicle. Woods. Thickets. Fl. white. 

 June. Prop. Diaphoretic, stimulant and stomachic 



Eryngium. 

 Erynginm aquaticum. Button Snake-root. Wet prairies. Fl. 

 white.. July. Aug. Prop. Diaphoretic and expectorant. 



Cictjta. 

 Cicuta maculata. Water Hemlock. Spotted Cowbane. Off. Wet 

 prairies. F. white. July, Aug. Prop. Powerful narcotic. Em- 

 ployed as a substitute for Conium, but in smaller doses. 



SlT7M. 



Sium lutifolium. Water Parsnep. Swamps <fec. Fl. white. July, 

 Aug. Prop. Poisonous. Employed in cutaneous diseases. 



Sium Imearc. Michx. (S. latifolium. Bw.) Swamps. F. white 

 July, Aug. Prop, similar to last. 



Archanoelica. 



Archangelica atropurpurea. Hoffm. (Angelica triquinata. Mx.) 

 Angelica. Fields. Meadows. Fl. greenish-white. June. Arom- 

 atic and tonic. 



Archemora . 



Archemora rigida. D. C. Water Drop-wort. Cow-bane. Swamps. 

 F. white. Sept Prop. Poisonous. 



