MICHIGAN ACADEMY OF SCIENCE. 253 



14. TRIPIIORA Nutt. 



Triphora trianthophora* (Sw.) Rydb. (bearinj^ throe flowers). 

 Pogonia .rianihophora (Sw.) B. S. P. 

 Pogon a pendula Lindl. 

 Nodding Pogonia. 



Very rare. "Ricli woods, usually in leaf -mold". Aug.— Fopt. Flowers pale 

 purple, or occasionally white. 

 Specimens examined: — Clarksville, Ionia Co. (I. W. Stacey, Sept. 1901). 

 Reported from: — Magician Lake (H. S. Pepoon) ; Gratiot Co. (C. A. Davis). 



15. ARETHUSA L 



Arethusa bulbosa. L. (bulbous). 

 Dragon's-Mouth. 



Found throughout, though rare. Sometimes plentiful in isolated places. Bogs 

 and sphagnous swamps. May — June. 

 Specimens examined: — Kent Co. (L. J. Cole, May, 1896), "infrequent"; Ingham 

 Co. (F. L. Sleeper, 1867) ; Gratiot Co. (C. A. Davis, June, 1895) ; Kalkaska Co. (D. A. 

 Pelton, June, 1888); St. Joseph Co. (C. F. Wheeler, June, 1890); Macomb Co. (Dr. 

 D. Cooley, 1843); Washtenaw Co. (Douglas Houghton, 1838); Mackinac Island (J. 

 B. Steere, 1870); Isle Royale, (Dr. S. E. Foote, 1868) ; Marquette Co. (T. M. Danger, 

 June, 1891); Gogebic Co. (H.T. Darlington, Aug., 1919); Presque Isle Co., Chippewa 

 Co., Alger Co. (C. K. Dodge); Schoolcraft Co., (W. S. Cai-vell, June, 1896). 



Reported from: — Jackson Co. (S. H. Camp); Ionia Co. (Wheeler and Smith's 

 Cat., 1891); Calhoun Co. (C. C. McDermid, "very rare"; near Cheboygan (C. K. . 

 Dodge); Emmet Co. (Fallass and Swift); Oakland Co. (W. A. Brotherton). 



16. LIMODORUM L. 



Limodorum tuberosum L. (producing tubers). 

 Calopogon pulchellus (Sw.) R. Br. 

 Grass-pink. 



Bogs throughout. Frequent. June— July. 

 Specimens examined: — Cheboygan Co. (F. C. Gates, July, 1911), No. 38; Ingham 

 Co. (L. J. Cole, June, 1895) ; Oakland Co. (G. H. Hicks, July, 1888) ; Gratiot Co. (C. 

 A. Davis, July, 1895); Alpena Co. (C. F. Wheeler, July, 1895); Lenawee Co. (W. J. 

 Beal, 1866 ); Macomb Co. (Dr. D. Coloey, June, 1843); Washtenaw Co. (M. W. 

 Harrington, 1870) ; Jackson Co. (S. H. and D. K. Camp, June, 1897) ; St. Clair Co. 

 (C. K. Dodge, June, 1896). 



Reported from: — Cass Co. (H. S. Pepoon), "common" Kent Co. (Emma Cole); 

 Calhoun Co. (C. E. Barr) ; Marquette Co. (A. Daehnowski) ; Tuscola Co. (C. K. Dodge) ; 

 Otsego Co. (Dr. E. A. Bessey) ; Emmet Co. (Fallass and Swift). 



This attractive species and the preceding are sold by dealers as bog garden plants. 



♦Nodding Pogonia {Triphora trianthophora) Mic'.iigan's rarest orchid. See pa^e 239. Courtesy of Edwin Hale 

 Lincoln, photographer and publisher, Piltajield, Mass. 



