SPECIES AND VARIETIES. 323 



ovate, stem-clasping, the upper ones narrower, lower bracts 

 often longer than the flowers ; flowers pendulous, in a long, 

 one-sided raceme, greenish with a purple lip. — Woods and 

 shady places. Fl. July, August. 



E. palustris : stem 1-li feet high; leaves lanceolate; 

 bracts all shorter than the flowers ; racemes loose, the flowers 

 slightly drooping, pale greenish- purple, the lip white, streaked 

 with pink. — Moist places. Fl. July, August. 



(281) Cephalanthera. 



C. grandiflora : stem 1-1 ^ foot high; leaves prominently 

 veined, broadly ovate, the upper ones broadly lanceolate; 

 flowers large, yellowish white, in a loose leafy spike, the bracts 

 all longer than the ovary, and the lower ones leaf-like and 

 longer than the flowers. — Woods and thickets. Fl. June. 



C. ensifolia has narrower leaves and white flowers ; and C. 

 rubra has narrower leaves and red flowers. Both are rare. 



(282) Orchis. 



* Spur conical, nearly as long as the ovary. 



O. latifolia : tubers palmate ; stems one foot high ; leaves 

 large, oblong, blunt, not always spotted; flowers purplish- rose, 

 dotted and marked with purple; lip 3-cleft; stalks of the pol- 

 len-masses each having a distinct gland. — Marshes and moist 

 meadows. Fl. June, July. 



** Spur slender, longer than the ovary. 



O. pyramidalis: tubers entire; stem 1-1 i foot high; leaves 

 lanceolate ; spike dense, ovoid, oblong, 2-4 inches long ; 

 flowers rosy or purplish-red ; lip broad, 3-lobed ; stalks of the 



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