ANGIOSPERM^, MOXOCOTYLEDONES. 



737 



repetition is not needful here. The Monandrae may be divided into four tribes, the 

 Ophrydea, Xeottiece, Vandea;, and Epidendrece. 



The OpJtrydece include most of the British and European Orchids, which are not 



,i«^^ ,-_^ 



Fig. 418. — Aii'jriecum cnuriifuia fpipiiytic mi :i tic- tnilik (Minlay-iscnr). 



epiphytes but terrestrial, with swollen tuberous roots, including Orchis, Ophrys, 



Gymnadenia, Habenaria, and the South African Disa. 



The Neottiece also include some European forms, Cephalanthera, Listera ovata 



(the Twayblade), &c., and a series of colourless forms of saprophytic habit, which 



are destitute of foliage, including Epipogium aphyllum (fig. 257 i"' p. 226), Neottia 

 Vol. U. 97 



