ORCHIDACEAE 93 



6. LIMNORCHIS Rydb. 

 Perianth greenish or greenish yellow : lip lanceolate, scarcely, if at all dilated 

 at the base. i. l. hypoborea. 



Perianth white : lip manifestly rhomboid-dilated at the base. 



2. L. dilalata. 



1. Iilmnorchis hypoborea (L.) Rydb. Tai,i, LEafy Green Orchis; 

 (Man. p. 294 ; I. F. /. iioo.) In bogs and wet woods, N. S. to Alaska, 

 N. J., Colo, and Oregon. — Pennsylvania : Wayne, Mt. Pleasant,; ERIE, 

 Union City ; Susquehanna. 



2. Limnorchis dilatata (Pursh) Rydb. Tali, White Bog Orchis. 

 (Man. p. 294; I. F. / iioi.) In bogs and wet woods, N. S. to Alaska, 

 Me., N. Y., Utah and Ore. — Pennsylvania Erie, Union City. 



7. LYSIAS Salisb. 

 Perianth greenish white : spur twice as long as the ovary, i. L. orbiculata. 

 Perianth yellowish green : spur about as long as the ovary, z. L. Hookeriana. 



1. Lysias orbiculata (Pursh) Rydb. IjARGE Round- i<eaved Or- 

 chis. (Man. p. 294 ; I. F. /. iog6.) In rich woods, Newf. to B. C, N. 

 C. and Minn. — Pennsylvania: Monroe; Carbon; Centre; Hunting- 

 don ; BtAiR ; Erie ; Somerset ; Chester ; Susquehanna ; Ai,i,E- 



GHENY. 



2. Lyaias Hookeriana (A. Gray) Rydb. Hooker's Orchis. (Man. 

 p. 295 ; I. F. /. logy.) In woods, N. S. to Minn., N. J., Pa. and Iowa. — 

 Pennsylvania : Monroe, Water Gap ; Tioga ; Blair ; Erie. 



8. BLBPHARIGLOTTIS Raf. 

 I,ip fringed. 

 Spur about 'A as long as the ovary. i. B. cristata. 



Spur as long as the ovary or much longer. 

 Perianth white. .e. B. Blephariglollis. 



Perianth yellow or orange-yellow. 3. B. ciliaris. 



I<ip 3-lobed or 3-parted : segments entire, incised or fringed. 

 Segments of lip incised or erose. 4. B peramoena. 



Segments of lip fringed. 

 Body of segments i mm. broad or narrower, slightly broadened. 



5. B. lacera. 

 Body of segments fan-shaped. 

 Lip 1-1.5 cm. broad. 6. B. psycodes. 



Lip 2-2.5 cm. broad. 7. B. grandiflora. 



1. BlephailglottiB cristata (Michx.) Raf. Crested Yellow Orchis. 

 (Man. p 295; I. F. /. 1/06.) In bogs, N. J. to Fla. and La. — Pennsyl- 

 vania : Montgomery, bog near Willow Grove. 



2. Blephariglottis Blephaiiglottis (Willd.) Rydb. White Fringei> 

 Orchis. (Man. p. 296 ; I. F. /. 1108.) In bogs and swamps, Newf. tO' 

 Minn, and N. ^.—Pennsylvania : Monroe ; Wayne ; Tioga. 



3. Blephariglottis ciliaris (L. ) Rydb. Yellow Fringed Orchis. 

 (Man. p. 296; I. F. /. noj.) In meadows, Vt. (?) and Ont. to Mich., 

 Fla, a.-aA1c-s..— Pennsylvania : Monroe; Centre; Schuylkill; Ful- 



