138 
[Assembly 
Chrysosplenium, 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^E. 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, NiUt. 
linearis, TVm^^. Muddy banks of rivers. West Point. Prof. Bailey. 
Sanicula, L. SajiicU. 
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. 
