OF WESTCHESTER COUNTY. 



Habenaria, Willd,, R. Br. (Rein-Orchis.) 

 H. tridentata, Hook. (Leggett.) 

 H. virescens, Spreng. Peekskill. 

 H. viridis, R. Br. (Leggett.) 

 H. Hookeri, Torr. Borders of woods. 

 H. orbiculata, Torr. Pine and Hemlock woods. 

 H. ciliaris, R. Br. Wet places ; not common. 

 H. lacera, R. Br. Damp thickets. 

 H. psycodes, Gray. Wet grounds. 



Goodyera, R. Br. (Rattlesnake-Plantain.) 

 G. pubescens, R. Br. Shady woods. 



Spiranthes, Richard. (Ladies' Tresses.) 

 S. latifolia Torr. White Plains. 

 S. cernua, Richard. Damp roadsides. 

 S. graminea, Lindl. (Bicknell.) 



Var. Walteri, Gray. North of Kings Bridge, (Bicknell.) 

 S. gracilis, Bigelow. White Plains. 

 S. simplex, Gray. Woodlawn Cemetery. (Bicknell.) 



Listera, R. Br. (Twayblade.) 



Ij. convallarioides, Hook. Damp woods. 



Arethusa, Gronov. (Arethusa.) 

 A. bulbosa, L. Bogs. 



Pogonia, Juss. 



P. ophioglossoides, Nutt. White Plains 

 P. verticilata, R. Br. White Plains. 



Calopogon, R. Br. 



C. pulchellus, R. Br. Bogs. 



Liparis, Richard. 



L. liliifolia, Richard. Bogs. 

 Li. LceseliL Richard. (Leggett.) 



Corallorhiza, Haller. (Coral-root.) 

 C. multiflora, Nutt- Woods. 



Aplectrum, Nutt. (Adam and Eve.) 

 A. hyemale, Nutt. Rich wood. 



Cypripedium, L. (Moccason-Flower.) 

 C. parviflorum, Salisb. Damp woods. 

 C. pubescens, Willd. Boggy places. 

 C. spectabile, Swartz. Bogs. 

 C. acaule, Ait, Dry woods. 



