106 ENGLISH BOTANY. 



Lower leaves 2 (rarely 3), oblanceolixte or oblong-obovate, obtuse; 

 upper leaves very small, strapshaped-lanceolate. Flowers in a rather 

 lax oblong-cylindrical spike. Lateral sepals sprcading-deflexed ; 

 upper sepal and petals connivent; labellum oblong-stiapshaped, 

 entire, rather longer than the other segments ; the whole of the peri- 

 anth segments white tinged with pale green ; spur very long and 

 slender, filifonn or cylindrical, more or less clavate, much longer 

 than the ovary, usually about twice as long. 



Sub-Species I.— Habenaria eu-bifolia.* 



Plate MCCCCLXIV. 



TLekh. Ic. Fl. Germ, ct Helv. Vol. XIH. Tab. CCCCXXIX. 



Billot, Fl. Gall, et Germ. Exsicc. No. 2746. 



H. bifolia, Bah. Man. Brit. Bot. ed. vi. p. 380 ; and Eng. Bot. Suppl. No. 2806. 



Hool: & Am. Brit. Fl. ed. viii. p. 437. 

 Orchis bifolia, Gren. & Godr. Fl. de Fr. Vol. HI. p. 297. 

 Platanthera bifolia, Heidi. Koch, Syn. Fl. Germ, et Helv. ed. li. p. 795. Hartm. 



Scand. Fl. ed. ix. p. ,191. Fries, Summ. Veg. Scand. p. 61. Farl. Fl. ItaL 



Vol. III. p. 411. Crep. Man. Fl. Belg. ed. ii. p. 294, 

 P. solstitialis, Bonnengh. Mcich. fil. 1. c. p. 120. 



Sepals strapshaped-lanceolate; spur cylindrical -filiform, slightly 

 clavate, nearly horizontal. Anther-cells parallel ; caudicules short , 

 glands oval. 



In meadows, pastures, heaths, and open woods. Common, and 

 generally distributed, except in the extreme north of Scotland. 

 Rather rare, but generally distributed in Ireland. 



England, Scotland, Ireland. Perennial, Summer. 



Rootknobs from the size of a cherry-stone to that of a shelled 

 almond or a little larger, attenuated into a tad. Radical leaves 2 to 

 6 inches long, narrowed into a stalk at the base. Stem 6 to 1 s inches 

 high, with a few small leaves. Spike 1 to 8 inches long, sometimes 

 rather dense, but generally lax. Bracts herbaceous, lanceolate, usually 

 about as long as the ovary. Sepals ^ to f inch long, white, usually 

 tinged with green ; labellum narrower than the sepals, and f to l inch 

 long. 



Lesser Butterfly Orchis. 



French, Orchis a deux feuilles. German, Zweillciiirige KucTcucTcshlume, 



* The names and numbers have been transposed on Plates MGCCCLXHI. and 

 MCCCCLXIV, 



