362 REPORT OF NEW JERSEY STATE. MUSEUM. 



dd. Flowers orange. 

 e. Lip fringed. 



/. Five mm. long. Blephariglottis cristata, p. 367 



//. Ten mm. long. B. ciliaris, p. 367 



cc. Lip not fringed. Gymnadeniopsis Integra, p. 365 



ddd. Flowers pink. 

 c. Lip fringed. 



/. 10-12 mm. broad, spike 30 mm. in diameter. 



B. psycodes, p. 369 

 //. 18-20 mm. broad, spike 50 mm. in diameter. 



B. grandiflora, p. 369 

 ec. Lip not fringed, but somewhat irregular. 



B. peramoena, p. — 

 dddd. Flowers green or greenish white. 



e. Lip fringed. JS. lacera, p. 369 



ee. Lip not fringed, but somewhat irregular. 



/. Lip three parted at tip, flowers greenish white. 



Gymnadeniopsis clavellata, p. 365 

 //. Lip truncate at tip, flowers pale yellowish green. 



Peridaria Aava, p. 364 

 ddddd. Flowers pink and white, leaves two, at base. 



Galearis spectabilis, p. 364 

 cc. Leaf (single at base) absent at flowering time, flowers green tinged 

 with purple. Tipularia discolor, p. 378 



bb. Flowers without a spur. 



c. Flowers at least 15 mm. in diameter, single or several on a stalk. 

 d. Leaf linear or lanceolate grass-like, flowers pink. 



e. Flowers 4-10. Limodorum tuberosum, p. 372 



ee. Flower solitary (leaf absent at flowering time). 



Arethusa bulbosa, p. 372 

 dd. Leaf oval or oblong lanceolate, flowers pink. 

 e. Lip lacerate, sepals 20 mm. long. 



Pogonia opiiioglossoides, p. 370 

 ee. Lip toothed, sepals 40-50 mm. long. P. divaricata, p. 370 

 ddd. Leaves five in a whorl at the top of the stem, petals greenish 

 yellow, sepals slender terete, much elongated, purplish. 



Isotria verticillata, p. 371 

 cc. Flowers less than 15 mm. in diameter, in a spike or raceme. 

 d. No leaves, whole plant purplish. 



e. Lip three lobed. Corallorhiza maculata, p. 379 



ee. Lip entire or margin undulate. 



f. Flov/ers 6-8 mm. long, blooms in Aug.-Sept. 



C. odontorhiza, p. 379 

 //. Flowers 14 mm. long, blooms in spring. 



C. wisteriana, p. 379 

 dd. Leaves present. 



e. Leaves basal, variegated with white lines, forming a sort of 

 mesh work. Peramium pubescens, p. 376 



