yiridis, R. Brown, var. bracteata, Reich. 



hyperborea, R. Br. 



dilatata, Gray. 



rotundifolia, Richardson. 



Hookeri, Torr. 



orbiculata, Torr. 



leucophaea, Gray. 



lacera, R. Br. 



psycodes, Gray. 

 Goodyera repens, R. Br. 



pubescens, R. Br. 

 Spiranthes cernua, Richard. 



graminea, Lindl., var. Waited, Gray. 



gracilis, Bigelow. 

 Arethusa bulbosa, Linn. 

 Pogonia ophioglossoides, Nutt. 

 Calopogon pulchellus, R. Br. 

 Microstylis monophyllos, Lindl. 



ophioglossoides, Nutt. 

 Liparis liliifolia, Richard. 



Lceseli, Richard. 

 Corallorhiza multiftora, Nutt, 

 Aplectrum hyemale, Nutt. 

 Cypripedium arietinum, R. Br. 



candidum, Muhl. 



parviflorum, Salisb. 



pubescens, Willd. 



spectabile, Swartz. 



acaule, Ait. 



AMARYLLIDACE^E. 



Hypoxys erecta, Linn. 



H^EMODORACE^E. 



Aletris farinosa, Linn. 



IRIDACE^E.. 



Iris versicolor, Linn, 

 lacustris, Nutt. 

 Sisyrinchium Bermudiana, Linn. 



var. mucronatum, Gray. 



var. albidum, Gray. 



DIOSCOREACE^E. 



Dioscorea villosa, Linn. 



SMILACE^. 



Smilax rotundifolia, Linn, 

 herbacea, Linn. 



var. pulverulenta, Gray. 



LILIACE^E. 



Trillium sessile, Linn. 



recurvatum, Beck, 

 grandiflorum, Salisb. 

 erectum, Linn. 



