14 INTRODUCTION 
sincle leaf at base of scape. A small solid bulb. A scape 
of several flowers. 
C. pulchillus. 
* * Pollen in 4-8 smooth waxy masses. 
~~ Without stalks, attached directly to a large gland. 
g. Calypso. Lip inflated and sac-like. Column winged and 
petal-like. Scape 1-flowered. Sepals and petals nearly similar, 
ascending, spreading. A green autumnal leaf. A smali solid 
bulb. 
C. borealis. 
~~ 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. adtscolor. 
~~ + ~~ Without either stalks or glands to the 4 pollen masses. 
++ Plants green and with ordinary leaves. Sepals spreading. 
11. Micréstylis. Column minute, round: anthererect. Lip 
entire of 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. monophjllos, M. ophiogtossoides, 
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. hitiifolia, L. Leesélit. 
++ ++ 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. odontorhiza, C. multiflora. 
