MICHIGAN ACADEMY OF SClENCFl. 259 



1. Liparis riliifolia (L.) L. C. Riohard. (lily-leavod). 



Large Twayblade. 



Apparently one of our rarest orchids. Moist woods and swamps. June — July. 

 Specimens examined: — Jackson Co. (Donna Camp, June, 1893), "tamarack 

 swamp". 



Reported from :— Oakland Co. (I. W. Stacey); near Battle Creek (C. C. McDer- 

 mid) ; Isle Royale (W. P. Holt, 1908), "moist woods and along bog margins". 



2. Liparis loesellii (L.) L. C. Richard. (Loesel's.) 



Fen Orchis. 



Frequent throughout. Usually in open, boggy ground. June— July. 



Specimens examined :— Black River, Alcona Co. (E. A. Bessey, July, 1918) 

 Muskegon Co. (C. D. McLouth, Aug., 1895) ; Marquette Co. (B. Barlow, July, 1901) 

 Ingham Co. (L. J. Cole, June, 1895); Clinton Co., Aug., 1888; Macomb Co. (Dr. D 

 Cooley, June, 1848); Oscoda Co. (W. J. Beal and C. F. Wheeler, July, 1888) 

 Keweenaw Co. (O. A. Farwell, July, 1888); Ionia Co. (C. F. Wheeler, June, 1890) 

 Gratiot Co. (C. A. Davis, June, 1893) ; Cass Co. (Douglas Houghton, 1830) ; Washte- 

 naw Co. (E. C. Allmendinger) ; Jackson Co. (S. H. Camp, June, 1899); Lapeer Co. 

 (C. K. Dodge). 



Reported from: — Wayne Co. (O. A. Farwell); Van Biu-en Co. (L. H. Bailey); 

 Genesee Co. (Wheeler and Smith's Cat., 1881); Chippewa Co. (Porter); Isle Royale 

 (W. P. Holt, 1908) ; Charity Islands and Mackinac Island (C. K. Dodge) ; Dickinson 

 Co. (E. J. Hill) ; Calhoun Co. (C. C. McDermid) ; Tuscola Co. (C. K. Dodge); Emmet 

 Co. (C. W. Fallass); Oakland Co. (C. BiUington). 



22. CYTHEREA SaUsb. 



Cytherea bulbosa (L.) House, (bulbous). 

 Calypso bulbosa (L.) Oakes. 

 Calypso borealis Salisb. 

 Calypso. 



Occasional north, in damp mossy woods. May — June. 

 This pretty little orchid has not been recorded south of Saginaw Bay (1919). 

 Specimens examined: — Isabella Co. (C. A. Davis, May, 1892); "Lake Superior 

 region" (Wm. A. Burt, 1849); Keweenaw Co. (O. A. Farwell, 1887); Marquette Co. 

 (B. Barlow, May, 1901); Isle Royale (Dr. A. E. Foote, July, 1868); Mackinac (J. 

 B. Steere, 1870) ; Schoolcraft Co. (W. S. Carvell, 1916); Benzie Co. (W. W.Weis, 1892). 

 Reported from: — Presque Isle Co. (N. H. Winchill's Cat., 1861); Higgin's Lake, 

 Roscommon Co. (Dr. D. Cooley); Benzie Co. (E. J. Parker); Thunder Bay Island (C. 

 K. Dodge); Emmet Co. (Fallass and Swift), "damp woods, very rare"; Bois Blanc 

 Island (C. BiUington). 



