14 INTRODUCTION 



single leaf at base of scape. A small solid bulb. A scape 

 of several flowers. 

 C. piilchcllus. 



* * Pollen in 4-8 smooth waxy masses. 



-»- Without stalks, attached directly to a large gland. 



9. Calypso. Lip inflated and sac-like. Column winged and 

 petal-like. Scape i-flowered. Sepals and petals nearly similar, 

 ascending, spreading. A green autumnal leaf. A small solid 

 bulb. 



C. borcalis. 



h 1- With stalks to the 2 or 4 pollen-masses, connecting them with a gland. 



10. Tipularia. Lip short, flat, long-spurred beneath. Raceme 

 many flowered. Sepals and petals spreading. A greenish 

 autumnal leaf. A large solid bulb. 



T. discolor. 



h 1 1- Without either stalks or glands to the 4 pollen masses. 



++ Plants green and with ordinary leaves. Sepals spreading. 



11. Microstylis. Column minute, round : anther erect. Lip 

 entire or nearly so. Sepals and petals spreading. A single 

 leaf at base or middle of stem. A small solid bulb. A raceme 

 of minute flowers. 



M. monophyllos, M. op1iioglosso\dcs. 



12. Liparis. Column elongated, margined at the apex: 

 anther lid-like. Lip flat, entire. Sepals and petals nearly 

 equal. 2 root leaves. A solid bulb. A raceme of several 

 flowers. 



L. liliifblia, L. LcesHii. 



++ ++ Plants tawny or purplish, leafless, or with a root-leaf only. 



13. Corallorhiza. Perianth gibbous at base, or with a spur 

 adherent to the ovary. Perianth somewhat ringent. Sepals 

 and petals nearly alike, the upper arching. Anther lid-like. 

 Lip entire or deeply lobed. No leaves. Root-stocks branched 

 and coral-like. A spiked raceme of flowers. 



C. inndta, C. odontorJilza, C. midtiflbra. 



