INTRODUCTION. rs 
14. Apléctrum. Perianth not gibbous nor spurred at base. 
A green autumnal leaf. Lip free from the base of column. 
Otherwise the flowers and scape as in Corallorhiza. A solid 
bulb or corm. A loose raceme of several flowers. 
A. hyemale. 
II. Anthers two, or very rarely three. 
TRIBE IV. CYPRIPEDIE. The stamen which bears the 
anther in the rest of the order here usually forms a petal-like, 
sterile appendage to the column. Pollen not in masses: no 
stalks nor gland. 
15. Cypripedium. Lip an inflated sac. Anthers 2, one on 
each side of the column. Sepals and petals spreading; the 
former usually broader and all three distinct, or in most cases 
two of them united into one underthe lip. Leaveslarge, many 
nerved and plaited, sheathing at base. Root of many tufted 
fibres. Flowers solitary or few, large and showy. 
C. arietinum, C. parviflorum, C. pubéscens, C. spectdbile, C. 
acanle. 
Aplectrum. From the Greek @ privative and wAnurpor, a spur, from the total 
want of the latter. 
Arethusa. Name from the nymph Arethusa. 
Calopogon. Greek, “ads, beautiful, and maywr, beard, from the bearded 
lip. 
Calypso. Name from the goddess Calypso. 
Corallorhiza. Greek, xopwAAtor, coral, and Aiba, root. 
Cypripedium. Greek, Kumpts, Venus, and modvov,a sock or buskin. 
Goodyera. Dedicated to John Goodyer, an early English botanist. 
Gymnadenia. Greek. yuuvos, naked, and adny, giand. 
Habenaria. From the Latin Aadena, a rein or strap, in allusion to the shape of 
the lip or spur of some species. 
Liparis. Greek, Azwapds, fat or shining, in allusion to the shining or unctu- 
ous leaves. 
Listera. Dedicated to Martin Lister, an early and celebrated British naturalist. 
Malaxis. From a Greek word meaning ‘‘so/?,” in allusion to the smooth 
or unctuous leaves. 
Microstylis. Greek, 2upos little, and GrvAdzs, a column or style. 
