174 
[Assembly 
Udora, Nutt. 
canadensis, Nutt . Elodea canadensis, Michx . Lakes and still 
water . August . 
Valisneria, L. 
spiralis, L. V. americana, Michx. Slow flowing water. Com- 
mon in the Hudson north of the Highlands. Aug. 
Order ORCHIDACE J5 . The Orchis Tribe. 
Habenaria, Willd., R. Br. 
^ 1. Platanthera, Rich., Lindl. 
orbiculata, Torr. Orchis macrophylla, Goldie. Woods . June- 
July. 
Hookeriana, Torr. Orchis orbiculata, Hook. Woods. June. 
ciliaris, i^. J5r . Swamps. July- August. 
blephariglottis, Hook. Swamps. July- August. 
dilatata, A^pren^-. Swamps, northern counties . June-July. 
hyperborea, R. Br. Swamps. June- July. 
flava, Gj^ay in Sill. Jour . 1 840 . Orchis flava, L . Habenaria 
herbiola, R. Br. Moist woods. June- July. 
psycodes, Gray, I. c. Orchis psycodes, L. O. fimbriata. Ait. 
O. fissa and incisa, Muhl. and Willd. 
Var. grandiflora. Gray, I. c. Orchis grandiflora, Bigel. Mea- 
dows and swamps . June- July . 
lacera. Gray, I. c. Orchis lacera, Michx. O. psycodes, Willd.; 
not of Linn . 
obtusata, R.Br. Sphagnous swamps and wet woods, northern 
counties . June- July . 
^ 2. Peristylus, Lindl. 
bracteata, R.Br. Shady woods. June, 
tridentata, Hook. Swamps. July- August. 
Orchis, L. 
spectabilis, L. .Rocky woods. May. 
Microstylis, Nutt. 
ophioglossoides, Nutt . Swamps, and about the roots of trees , 
June . 
brachypoda, Gray. Deep shady swamps . Fairfield, Herkimer 
county, Prof. Hadley . Oneida county, Dr. Gray 
and D/\ Bradley. July. 
