ORCHIDACE A. 105 
SPECIES I-HABENARIA VIRIDIS. 2. Br. 
Pirate MCCCCLXITI. 
Reich. Ic. Fl. Germ. et Helv. Vol. XIII. Tab. CCCCXXXTYV. 
Billot, Fl. Gall. et Germ. Exsice. No. 2936. 
Platanthera viridis, Lindl. Syn. Brit. Fl. p. 261. Reich. fil. lc. p. 129. 
Gymnadenia viridis, Rich. Coss. & Germ. Fl. Par. ed. ii. p. 688. Crep. Man. FI. 
Belg. ed. ii. p. 294. 
Orchis viridis, Orantz. Gren. & Godr. Fl. de Fr. Vol. Il. p. 298. Sm. Engl. Fl. 
Vol. IV. p. 20. 
Cologlossum viride, Hartm. Scand. FI. ed. ix. p.190. Fries, Summ. Veg. Scand. p. 61. 
Koch, Syn. Fl. Germ. et Hely. ed. ii. p. 795. Parl. Fl. Ital. Vol. III. p. 407. 
Satyrium viride, Linn. Sm. Eng. Bot. ed. 1. No. 94. 
Root-tubers 2, ovate-ovoid, acuminate, commonly cleft. Lower 
leaves oblong or oblong-oblanceolate, obtuse or acute; upper leaves 
smaller, lanceolate, acute. Flowers in a rather lax oblong-cylindrical 
spike. Sepals and lateral petals connivent in a subglobular helmet; 
labellum pendant or reflexed, longer than broad, oblong-strapshaped, 
twice as long as the other segments, with 2 short lobes at the apex 
with a tooth between them; the whole of the perianth segments pale 
olive-green, more or less tinged with brown, especially on the label- 
lum; spur short, ovoid-conical, blunt, often emarginate, 3 or 4 times 
shorter than the ovary. 
In meadows and hilly pastures. Rather local, and generally dis- 
tributed, but much more common in the north than in the south, 
extending to Orkney and Shetland. 
England, Scotland, Ireland. Perennial. Summer, Autumn. 
Rootknobs seldom larger than a cherry stone. Stem 2 to 15 inches 
high, with commonly 3 to 5 leaves, the largest rarely more than 1 to 
2 inches long. Spike } to 4inches long. Bracts herbaceous, about as 
long as the flowers or exceeding them. Perianth segments about 1 
inch long, ovate, subacute; petals linear and acute ; labellum usually 
applied to the ovary, rather more than } inch long, with the central 
tooth variable in size, sometimes nearly as large as the apical lobes, 
at other times scarcely perceptible. 
Frog Orchis. 
French, Orchis vert. German, Griine Kuckucksblume. 
SPECIES I—HABENARIA BIFOLIA. 2. Dr. 
Prates MCCCCLXIII. MCCCCLXIYV. 
Orchis bifolia, Zinn. Sm. Engl. Fl. Vol. IV. p. 9. 
Platanthera bifolia, Lind. Syn. Brit. Fl. p. 261. 
Root-tubers 2, ovate- or lanceolate-ovoid, acuminate, undivided. 
VOL. IX, P 
