MICHIGAN ACADEMY OF SCIENCE. 249 



Stem 3-5 dm. high; with radical leaves; bases of the lateral sepals adnate to the claw 

 of the lip, which is loss than 5 mm. long; flowers greenish, in a narrow spike. 



9. LYSIAS Salisb. 



Scape usually naked; lip 1 em. long 1. L. hookeriana. 



Scape bracted : lip larger. 



Spur 1.5-2.5 cm. long 2. L. orbiculala. 



Spur 3-4 cm. long 3. L. macrophylla. 



1 Lysias hookeriana (A. Gray) Rydb. 

 Hahenaria Hooderi Torr. 

 Hooker's Orchis. 



Woods throughout, occasional. Less common than L. orbiculala. June — 

 Sept. 

 Specimens examined: — Gratiot Co. (C. A. Davis, June, 1893); Ingham Co. (M. 

 A. C. Herb., 1866); Marquette Co. (H. F. Monroe, July, 1880); Chippewa Co. (C. 

 K. Dodge). 



Reported from: — Dewey Lake (H. S. Pepoon); Kent Co. (Emma Cole), "infre- 

 quent" ;* Jackson Co. (S. H. Camp); Genesee Co. (Dr. D. Clark); Isle Royale (W. S. 

 Cooper); Mackinac Island (C. K. Dodge); Dickinson Co. (E. J. Hill, 1884); Calhoun 

 Co. (C. C. McDermid); Tuscola Co. (C. K. Dodge); Emmet Co. (Fallass and Swift). 



2. Lysias orbiculala (Pursh) Rydb. (disk-shaped). 



Hahenaria orbiculala (Pursh) Torrey. 

 Round-leaved Orchis. 

 Woods, "Picea-Abies associations" — Gates. Throughout. July — August. 

 Specimens examined: — Marquette Co. (B. Barlow, July, 1901); Cheboygan Co. 

 (F. C. Gates, July, 1911), No. 266; Traverse City (C. P. Wheeler, June, 1898); Oscoda 

 Co. (H. T. Darlington, July, 1918); Mackinac Island (C. F. Millspaugh, July, 1898); 

 Chippewa Co. (N. A. Wood, Aug., 1914). 



Reported from: — Oakland Co. (C. Billington); Macomb and Washtenaw counties 

 (I. W. Stacey), "frequent"; Kent Co. (Emma Cole); Calhoun Co. (C. E. Barr); 

 Lansing (L. H. Bailey) ; Ionia and Genesee counties (Wheeler and Smith's Cat.) ; Isle 

 Royale (W. P. Holt, 1908); Dickinson Co. (E. J. Hill, 1884); Calhoun Co. (McDer- 

 mid's list); Lapeer and St. Clair counties (C. K. Dodge); Emmet Co. (Fallass and 

 Swift). 



3. Lysias macrophylla Goldie. (large-leaved). 



Occurs along with the preceding species, of which some authors regard it as only a 

 variety. Reported by C. K. Dodge in St. Clair Co. and Mackinac Island; Cheboygan 

 Co. (Gleason and Gates); Bois Blanc Island (C. Billington). 



