SPECIES AND VARIETIES. 71 



centre,, the edges obscurely lobecl and scarcely turned under. 

 Spider Orchis. Chalky pastures. Fl. April. 



Var. fiicifera : lip usually undivided, ohovate, longer than 

 the sepals. Chalky pastures. 



(101) Cypripedinm. LADY'S SLIPPER. 



C. Calceolus : leaves large, ovate, pointed, ribbed ; flowers 

 1-2 ; sepals broadly lanceolate, and as well as the linear 

 petals, brown -purple ; lip large inflated yellow, netted with 

 dark veins. Mountain woods in the north. Fl. May, June. 



(102) RiiSCUS. BUTCHER'S BROOM. 



R. aculeatus : shrub-like ; leaves (or flattened shoots) ever- 

 green, ovate with a prickly point ; flowers small, white, the 

 axillary pedicel adnate halfway along the leaf, so that the 

 flower appears to grow from the centre of the leaf, on the 

 upper side, which is turned downwards by a twist in the stalk ; 

 fruit red. Woods and bushy heaths. Fl. March, April. 



(103) Polygonatum. SOLOMON VSEAL. 



P. multiflorum : stem round, 2 feet high, arching ; leaves 

 alternate, ovate-oblong ; flowers axillary, on short branched 

 one- or many-flowered peduncles, drooping, white with green- 

 ish tips; filaments hairy. "Woods and thickets. Fl. May, 

 June. 



P. officinale : stem angular, 1 foot high ; leaves alternate, 

 ovate-oblong ; flowers axillary, on short one- or two-flowered 

 peduncles; filaments smooth. Mountain woods. Fl. May, 

 June. 



(104) Pritillaria. FRITILLARY. 

 P. Meleagris : bulbous ; stem with 3-4 linear-lanceolate 



