252 TWENTY-FIRST REPORT. 



Reported from: — Calhoun Co. (C. E. Barr); Oakland Co. (I. W. Stacey); Jackson 

 Co. (S. H. Camp) ; Isle Royale (W. P. Holt, 1908) ; Marquette Co. (A. Dachnowski) ; 

 Tuscola Co. (C. A. Davis) ; Lapeer Co. (C. K. Dodge) ; Emmet Co. (Fallass and Swift) ; 

 Wayne Co. (C. Billington). 



This species is very var'able. Two varieties found at Round Lake, Emmet Co. 

 by Dr Chas. H. Swift, are described in Annals of the Mo. Bot. Gard., Vol. IV, No. 1 

 (Feb., 1917) pp. 37-42. C.W. Fallass also reports 'X Habenaria andrewsii "White in 

 the vicinity of Round Lake. 



Blephariglottis grnndijlora (Bigel.) Rydb. has been reported from Jackson Co. hy 

 S. W. Camp, though we have examined no specimens. This species, which Dr. 

 Britton says may be a large-flowered race of B. psychodes, is reported for Ontario and 

 probably occurs in the state. 



12. POGONIA Juss. 



Pogonia ophioglossoides (L.) Ker. (like Ophioglossum, the Adder's Tongue). 

 Rose Pogonia. 



Open sphagnous bogs and wet meadows, throughout. Frequent. June — July. 

 This attractive species may easily be grown in bog gardens. 

 Specimens examined: — Ingham Co. (W. A. Wells, July, 1867); Oakland Co. (Dr. 

 D. Cooley, July, 1850); Van Buren Co. (H. S. Pepoon, July, 1904), No. 203; Alpena 

 Co. (H. T. Darlington, July, 1918); Muskegon (W. J. Beal); Isle Royale (Dr. A. E. 

 Foote, 1868); Washtenaw Co. (V. M. Spalding, 1892); Cheboygan Co. (F. C. Gates, 

 1917); Mason Co. (R. W. Chaney, July, 1910); Chippewa Co. (N. A. Wood, Aug., 

 1914); St. Clair Co. (C.'K. Dodge). 



Reported from: — Kent Co. (Emma Cole) ; Calhoun Co. (C. E. Barr) ; Jackson Co. 

 (S. H. Camp); Marquette Co. (A. Dachnowski); Emmet Co. (Fallass); Macomb Co. 

 (I. W. Stacey). 



13. ISOTRIA Raf. 



Isotria verticillata (Willd.) Raf. (whorled). 

 Pogonia verlicillala-CWiUd.) Nutt. 

 Whorled Pogonia. 



Rare. Moist woods and tamarack swamps. May — June. Not reported 



north of Saginaw Bay. C. C. McDermid says this plant is frequent locally 



near Battle Creek. 



Specimens examined: — Calhoun Co. (C. C. McDermid, June, 1909); Gratiot Co. 



(C. A. Davis, June, 1894); "Half Moon Lakb" (C. F. Wheeler, 1894); Genesee Co. 



(Dr. D. Clark). 



Reported from:— Kent Co. (Emma Cole's Cat.) ; Macomb Co. (W heeler and Smith's 

 Cat.. 188n. 



