286 



THE FLORA. 



Fig. 646. Lady's-slipper (fiypripeMwm. aea-ule), whole plant, with its 2 leaves, scape, and 

 curious flower. 7. Plan of the flower ; 8, sepals (outer circle^ the 2 lower united ; p, the petals ; 

 2, lip (lower petal) ; «, the anthers, upper one sterile ; o, the 3-celled ovary. 8. The column seen 

 from beneath, with the pistil, two stamens, and the leaf-like sterile one. 9. Flower and bract of 

 Orchis spectabilis. .Fig. 650. Its 2 pollen masses exhibited (enlarged). 1. Arethusa bulhosa ; / 

 the flower. 2.*]Js column enlarged, with its lid-like anther opening, showing its pollen-masses 

 beneath. 



h Fls. in the axils of bracts. Pollen masses 2. Lvs. l-oo , Orchis. Obohis. 2 

 b Flowers braotless. Pollen masses 4. Leaf 1 only. Tijiula. Tipula'eia. 



c Koot ooraline. Spur growing to the ovary. Lvs. none. Goral-root. Coralloehi'za. 3 



c Eoot 2 oorms. Spur none. Leaf 1, late, radical. Putiy-root. ApLEcntuM. 



d Flowers 1 only, rose-purple. Lip bearded. Arethusa. Aeethu'sa. i 



d Fls. racemed, dark-purple, beardless. (Lvs. or few.) Bletia. Bletia. 



e Leaf 1. Lip sagittate. Column minute. Microa'tylU. Mioeos'ttlis. 



e Leaves 2, radical. Lip flat, ascending. Column winged. I/iparis. Lip'aris. 



e Leaves 2, canline. Lip pendulous, 2-lobed or 2-oleft. Tway-blade. Listeka 



