402 83. ORCHIDACE.E. 



5. HABENA'RIA Willd. Frog Orchis. 

 * Spur very short, usually inflated. CCELOGLOSSUM Hartm. 



1. H. vir'idis (R. Br.) ; spur 2-lobed, lip. linear flat 3-pointed 

 middle point the shortest. Orchis Sm., JE. B. 94. R. xiii. 434. 

 Peristylus Lindl. Lip with 3 tubercles at its base, 1 central, 2 

 lateral. Stigma oblong, slightly emarginate above. Glands of 

 the pollen-masses connected by an elevated transverse line. Sep. 

 and pet. connivent. Root-knobs pal mate. Fl. green, lip browner, 

 St. 6 8 in. high. Pastures. P. VI. VII. Frog Orchis. E.S.I. 



** Spur slender. PL AT ANTHER A Rich. Butterfly Orchis. 



2. H. bifolia (R. Br.) ; spur twice as long as the germen, lip 

 linear entire, pet. connivent blunt, anth. oblong truncate, its cells 

 parallel. E. B. S. 2806. J?. xiii. 429. About afoot high. Root- 

 1. usually 2, elliptic. Stem-1. small, lanceolate, resembling the 

 bracts. Spike slender. El. white. Central line between the 

 antli.-cells a furrow in front and a keel behind, stalks of pollen- 

 masses short, gland oval. Stigma truncate, emarginate with 

 pointed lobes. Heathy places. P. VI. VII. E. S. I. 



3. H. chloroleuca (Ridl.) ; spur twice as long as the germen, 

 lip linear entire, pet. connivent blunt, anth. truncate its cells twice 

 as distant at the base as at the top. Orchis bifolia Sm.,jE.It. 22. 

 H. chlorantha (Bab.) ed. viii. H. montana R. xiii. 430. 

 Usually taller and stouter than the preceding. Spike usually 

 lax, but sometimes dense. El. larger. Central line between 

 anth. -cells a prominent ridge in front and a groove behind. 

 Space between the bases of the anth.-cells usually, not always, 

 spread open. Stalks of pollen-masses long, gland circular. 

 Stigma very broad, slightly pointed in the middle. Moist 

 woods and thickets. P. V. VI. E.S.I. 



6. O'PHRYS Linn. 



1. O. apifera (Huds.) ; lip tumid 5-lobed, 2 lower lobes pro- 

 minent and with a hairy base, 2 intermediate reflexed truncate, 

 terminal acute long usually reflexed, anth. with a hooked point, 

 pet. oblong bluntish downy. E. B. 383. About a foot high. El. 

 few, large, rather distant. Sep. whitish tinged with purple. Lip 

 velvety, brown variegated with yellow. " All the lobes of the 

 lip sometimes reflexed, interm. overlapping term, one." /3. O. 

 Trollii (Heg.) ; term, lobe of lip acute triangular not reflexed. 

 On calcareous soils. /3. Reigate. P. VI. VII. Bee Orchis. 



E.I. 



