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. dilatata. 



1. Llmnorchis hypoborea (L.) Rydb. Tali, Leafy Green Orchis; 

 (Man. p. 294 ; I. F. 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. Tale White Bog Orchis. 

 (Man. p. 294 ; I. F. yi 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. 2. L. Hookeriana. 



1. Lysias orbiculata (Pursh) Rydb. Large Round- eEaved Or- 

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

 Q. &a6iM.\nn.— Pennsylvania : Monroe; Carbon; Centre; Hunting- 

 don ; Blair ; Erie ; Somerset ; Chester ; Susquehanna ; Alle- 

 gheny. 



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

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

 Pennsylvania : Monroe, Water Gap ; Tiog.\ ; Blair ; Erie. 



8. BLEPHARIGLOTTIS Raf. 

 l,ip fringed. 

 Spur about % as long as the ovary. i. /?. cristala. 



Spur as long as the ovary or much longer. 



Perianth white. 2. B. Blephariglollis. 



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



Lip 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 I-I-5 cm. broad. 6. B. psycodes. 



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



1. Blephaiiglottis cristata (Michx.) Raf. Crested YELLOW Orchis. 

 (Man. p 295; I. F. f. 1106.) In bogs, N. J. to Fla. and La. — Pennsyl- 

 vania : Montgomery, bog near Willow Grove. 



2. Blephariglottis Blephariglottis (Willd.) Rydb. White Fringed 

 Orchis. (Man. p. 296 ; I. F. /. iioS.) In bogs and swamps, Newf. to 

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



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

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

 Fla. and Tex.— /V««.sj'/r'a«/<7 .• Monroe; Centre; Schuylkill; Ful- 



