138 [Assembly 



Chrvsosplenium, L. Golden Saxifrage. 



americanum, Schwein. C. oppositifolium, Michx. and most Ame- 

 rican botanists ; not of Linn. In water. April- 

 May. 



Mitella, L. False Sanicle, Bishop's Cap. 

 diphylla, L. Rocky wet banks. May. 



nuda, L. M. cordifolia, Lam. M. prostrata, Michx. Moist 

 rocky places. May- June. 



Tiarella, L. Mitre-wort. 



cordifolia, L. Rocky woods. May-June. 



Heuchera, L. Alum-root. 



americana, L. Shady rocks. June- July. 



Order HAMAMELACE^. The Witch Hazel Tribe 



Hamamelis, L. Witch Hazel. 



virginiana, L. Woods. October-November. 



Order UMBELLIFERiE. The Umbelliferous Tribe. 



Hydrocotyle, L. Marsh Penny-wort. 



umbellata, L. Var. umbellulata, D. C. Sandy swamps, Long 



Island. July-August, 

 americana, L. Moist shady places and swamps. July. 



Crantzia, Nutt. 



linearis, Nutt. Muddy banks of rivers, West Point. Prof. Bailey. 



Sanicula, L. Sanicle. 



marilandica, L. Woods. June-August. 



Cicuta, L. 



maculata, L. Water Hemlock. Wet grounds. July-August, 

 bulbifera, L. Swamps. August. 



Zizia, Koch. 



aurea, Koch. Rocky hills. June. 



cordata, Koch. Meadows, and banks of rivers. May- June. 



integerrima, D. C. Dry hills. May. 



