136 THE FLORA OF THE ALPS 



leaves usually spotted with black; meadows, common. 

 O. sambudna, L. ; flowers very large, yellow, rarely 

 purple, spur as long as ovary or longer, stem 4-10 in. ; 

 sub-alpine meadows, local. O. cordigera, Fr. ; spike 4-6- 

 flowered, flowers purple, stem about 3 in., lip cordate, 

 spur short, conical ; Salzburg, rare. 



In this and the previous section there are many inter- 

 mediate forms, which are probably hybrids. 



C. Lobes of lip not coiled spirally ; spur very long : 

 0. pyramidalis, L. (Anacamptis pyramidalis, Rich.) ; 

 flowers pink, in a short crowded pyramidal spike, stem 

 6- 1 8 in., nearly leafless, leaves linear-lanceolate, acute; 

 hill-sides, local. 



D. Lobes of lip very long, coiled spirally in bud ; sepals 

 and petals forming a green hood ; spur very short : O. 

 hircina, L. (Himantoglossum hircinum, Sprg.), Lizard 

 Orchis; flowers large (ij in.), lip white with purple spots, 

 stem 1-4 ft., nearly leafless, bracts very long ; middle lobe 

 of lip very long, strap-shaped ; hill-sides, rare. 



2. OPHRYS, L. 



Sepals and petals spreading, lip usually convex, vel- 

 vety, not spurred ; ovary not twisted ; otherwise like 

 Orchis. Not alpine. 



O. apifera, Huds., Bee-Orchis; sepals pink or white 

 inside, lip dark purple, very convex and velvety, re- 

 sembling the body of a humble-bee, lateral petals linear ; 

 open hill-sides, especially calcareous, local. O. muscifera, 

 Huds., Fly-Orchis; sepals yellow-green, lip nearly flat, 

 narrow, bright red-brown, lateral petals linear ; open hill- 

 sides, especially calcareous, rare. O. aranifera, Huds., 



