176 [ ASSEMBLY 
Listers, R. Br. 
cordata, R. Br. Sphagnous swamps. June-July. 
GoopvEra, R. Br. 
pubescens, R. Br. Shady fertile woods.. July-August. 
repens, R. Br.. Shady moist woods, northern counties. July. 
Cyprirepium, L. Ladies’ Slipper. 
pubescens, Willd. C. parviflorum, Azt.. Mocasin Flower, Noah’s 
Ark. Rocky moist woods.. May. 
acaule, Azt. Dry woods and sandy thickets. May. 
spectabile, Sw. Swamps. June-July. 
arietinum, Ait. Near Oneida lake. Dr. Gray. 
Orver PONTEDERIACEE. 
Ponteperia, L. 
cordata, L. Pickerel-weed. In water. July-August. 
Var. angustifolia, Torr. PP. angustifolia, Pursh. Mountain 
lakes. Pursh. 
ScHoLueRA, Schreb. 
graminifolia, Muhl. Leptanthus gramineus, Miche. In flowing 
waters. July-August. 
HETERANTHERA, Ruiz and Pavon. 
reniformis, R. g- P. lLeptanthus reniformis, Miche. Muddy 
banks of rivers, Fishkill, Hudson, &c. July- 
August. 
Orver MELANTHACE. Tue Cotucnicum Trine. 
ZIGADENuS, Miche. 
glaucus, Nutt. Shore of Lake Erie. Dr. Beck. 
Lermantuium, Willd. 
virginicum, Willd. Melanthium virginicum, Z. Wet meadows. 
Orange county. Dr. Horton, fide Beck. Is not 
this L. hybridum? 
Veratrum, L. White Hellebore. 
virida, Avt. Swamps. May. 
