1904] Kennedy, Flora of Willoughby 1 1 1 



POLYGONATUM 

 P. biflorum, Ell. 



MEDEOLA 

 M. Virginiana, L. 



TRILLIUM 



T. erectum, L. 



T. undulatum, Willd. T. erythrocarpum, Michx. 



IRIDACEAE 



IRIS 

 I. versicolor, L. 



SISYRINCHIUM 

 S. angustifolium, Mill. 



ORCHIDACEAE 

 CYPRIPEDIUM 



C. acaule, Ait. Often with white flowers. 



C. arietinum, R. Br. Mrs.J. E. W. Thacher, 1897. 



C. spectabile, Salisb. C. reginae, Walt. E. & C. E. Faxon, 1887; 



Herb. Gray. 

 C. pubescens, Willd. C. hirsutum, Mill. The C. pubescens of the woods is 



a different looking plant from the meadow and swamp form, which 



latter is almost exactly between C. pubescens, Willd. and C. par- 



viftorum, Salisb. 



ORCHIS. 



O. spectabilis, L. Found some seasons in profusion and of wonderful 

 beauty. 



HABENARIA 



H. Hookeri, Torr. Lysias Hookeriana (Gray) Rydb. Dr. C.A. Cheever, 1903. 



H. orbiculata, Torr. Lysias orbiculata (Pursh) Rydb. 



H. obtusata, Richardson. Lysiella obtusata (Pursh) Rydb. 



H. hyperborea, R. Br. Limnorchis hyperborea (L.) Rydb. 



H. dilatata, Gray. Limnorchis dilatata (Pursh) Rydb. Limnorchis fragrans, 



Rydb. is hardly to be separated except by its evident fragrance, 



and perhaps slender form. 



H. bracteata, R. Br. Coeloglossum bracteatum (Willd.) Parl. 

 H. tridentata, Hook. H. clavellata (Michx.) Spreng. 

 H. psycodes, Gray. Occasional forms approach H. fimbriata, R. Br. but 



no typical H. fimbriata has yet been collected. 



