Flora of Vermont 187 



ARETHUSA 

 A. bulbosa L. Sphagnum bogs; occasional. 



CALOPOGON. (LIMODORUM) 



C. pulchellus (Sw.) R. Br. (L. tuberosum L.). Grass Pink. Bogs; 

 occasional. 



CALYPSO. (CYTHEREA) 



C. bulbosa (L.) Oakes. (C. borealis Salisb.). Cold cedar swamps of 

 northern counties; rare. Leicester, (Button) is most southern 

 Vermont station. 



CORALLORRHIZA. Coral Root 



C. niacnlata Raf. (C. multiflora Nutt.). Large Coral Root. Dry woods; 



occasional. 

 C. odoutorliiza Nutt. Coral Root, Dragon's Claw. Bellows Kails, 



(Carey), specimen in the herbarium of the Boston Society of 



Natural History; Pease Mountain, Charlotte, (Pringle) ; Pownal, 



(Eggleston) ; Hartland, (Underwood). 

 C. trifida Chatelain. (C. innata R. Br.; C. Corallorrhiza [L.l Karst). 



Early Coral Root. Swamps and. damp woods; frequent. 



CYPRIPEDIUM. Lady's Slipper. Moccasin Flower 



C. acaule Ait. (Fissipes acaulis [Ait.] Small). Stemless or Pink 

 Lady's Slipper. Woods and swamps; frequent. 



C. arietinnm R. Br. Ram's Head Lady's Slipper. Rocky woods and 

 swamps; local and rare. 



C. liirsutnm Mill. (C. spectabile Salisb.; C. reginae Walt.). Showy 

 Lady's Slipper. Cold swamps; occasional. 



C. parriflornm Salisb. Smaller Yellow Lady's Slipper. Bogs and low 

 woods; frequent. 



C. parviflorum Salisb., var. pubescens (Willd.) Knight. (C. pubescens 

 Willd.). Large Yellow Lady's Slipper. Rich moist woods; fre- 

 quent. 



EPIPACTIS. (GOODYERA, PERAMIUM). Rattlesnake Plantain 



E. pubescens (Willd.) A. A. Eaton. (G. pubescens R. Br.). Downy 

 Rattlesnake Plantain. Dry woods at low altitudes; occasional. 



E. repens (L.) Crantz, var. ophioides (Fernald) Eaton. (G. repens, 

 var. Fernald; P. ophioides [Fernald] Rydb.). Lesser Rattlesnake 

 Plantain. Cold mossy spruce woods; frequent. Rare in swamps 

 at low altitudes. 



E. tesselata (Lodd.) A. A. Eaton. (G. tesselata Lodd.). Rattlesnake 

 Plantain. Cold moist woods at high altitudes; occasional. 



HABENARIA. Rein Orchis, Fringed Orchis 



X H. Andrewsii White. (H. lacera x psycodes). Bogs; Pownal, 

 (Andrews); Rutland, (Kirk); Hartland, (Nancy Darling). 



