BEAL ON MICHIGAN FLORA. 65 



LYSIELLA Rydb. HABENARIA Willd., in part. 



722. L. obtusata (Pursh.) Rydb. Small Northern Bog Orchis. Eabenaria obtusata 

 (Pursh.) Richards. Cheboygan Co., B. & K. ; Pictured Rocks, G. H. Hicks; Isle Royale, 

 Dr. A. B. Lyons; L. Superior, common, Whitney Cat.; Cove L; L. Huron, Austin. N. & 

 U. P. 



BLEPHARIGLOTTIS Ra,f. HABENARIA Willd., in part. 



723. B. blephariglottis (Willd.) O. A. Farwell. White-fringed Orchis. Eabenaria 

 blephariglottis (Willd.) Torr. S. Mich., Winch. Cat.; Stanton. Rare. C. & S. 



*724. B. ciliaris (L.) Rydb. Yellow-fringed Orchis. Eabenaria ciliaris (L.) R. Br. 

 Ann Arbor, Winch. Cat.; Macomb Co.; Kalamazoo, Tuthill; Niles, I. N. Mitchell; 

 Algonac, W. S. Cooper; Ann Arbor, C. A. Davis. Rare. 



725. B. ciliaris x blephariglottis. Bay Co., G. M. Bradford. 



*726. B. lacera (Michx.) Rydb. Ragged Orchis. Habenaria lacera (Michx.) R. Br. 

 Ann Arbor, Winch. Cat.; Woodward Lake; Flint; Macomb Co.; Manistee, F. P. Daniels; 

 north to Keweenaw Co., O. A. Farwell. Infrequent. Th. 



*727. B. leucophaea (Nutt.) O. A. Farwell. Prairie White-fringed Orchis. Habenaria 

 leucophaea (Nutt.) A. Gray. Belle Isle, Foerste; Ann Arbor, Winch. Cat.; Pine Lake, 

 Ingham Co.; Woodward Lake, Ionia Co.; Macomb Co.; Alma, C. A. Davis; Isle 

 Royale, Foote; St. Clair Co., C. K. Dodge. Rare. 



*728. B. psycodes (L.) Rydb. Smaller Purple-fringed Orchis. Habenaria psycodes 

 (L.) A. Gray. Low grounds. Frequent. Th. 



POGONIA Juss. 



*729. P. ophioglossoides (L.) Ker. Snake-mouth. Bogs. Common. Th. 

 ISOTRIA Raf. POGONIA Juss., in part. 



730. I. verticillata (Willd.) Raf. Pogonia verticillata (Willd.) Nutt. Alma, C. A. 

 Davis; Kalamazoo; Flint; Macomb Co. Rare. 



TRIPHORA Nutt. POGONIA Juss., in part. 



731. T. trianthophora (Sw.) Rydb. Nodding Pogonia. pogonia pendula Lindl. Dr. 

 Wright; Calvin, Cass Co., I. N. Mitchell; Alma, C. A. Davis. Rare. S. W. 



ARETHUSA Gronov. 



*732. A. bulbosa L. Arethusa. In sphagnous swamps. S. Mich., Wright Cat.; Ann 

 Arbor, Allmend. Cat.; Kalamazoo, Tuthill; Alma, C. A. Davis; Hubbardston, and north- 

 ward. Rare. Th. 



LIMODORUM L. CALOPOGON R. Br. 



*733. L. tuberosum L. Grass -pink Colopogon. Calopogon pulchellus R. Br. Bogs. 

 Alma, Ann Arbor, C. A. Davis. Common. Th. 



GYROSTACHYS Pers. SPIRANTHES L. C. Richard. 



*734. G. cernua (L.) Kuntze. Nodding Ladies' Tresses. Spiranthes cernua Richard. 

 Sphagnous swamps. Frequent. Th. 



735. G. gracilis (Bigel.) Kuntze. Slender Ladies' Tresses. Spiranthes gracilis Bige- 

 low. S. W., Wright's Cat.; Macomb Co.; Grand Rapids, Coleman Cat.; Kalamazoo, 

 Tuthill; Long Lake and Pine Plains, Cheboygan Co., B. & K. L. P. 



736. G. plantaginea (Raf.) Britt. Wide-leaved Ladies' Tresses. Spiranthes latifolia 

 Torr. Drummond's Island, common, and S. E., Winch. Cat.; Hubbardston; Flint; Ros- 

 common. Rare in L. P. 



737. G. stricta Rydb. Hooded Ladies' Tresses. Not G. Romanzoffiana as has been 

 supposed. Spiranthes Romanzofliana Chamisso. Borders of Mud Lake, Northport, E. J. 

 Hill; St. Clair Co., A. F. Foerste; Grayling, G. H. Hicks; Tuscola Co., C. A. Davis; 

 Caribou Islet, Porter; northward to L. Superior. Infrequent southward. Th. 



LISTERA R. Br. 



738. L. convallarioides (Sw.) Torr. Round-lipped Twayblade. Not common. Whit- 

 ney Cat.; Isle Royale, Dr. A. B. Lyons; abundant at Pictured Rocks, G. H. Hicks; Grand 



9 



