138 FLORA OF MICHIGAN. 



*1163. H. leucophaea, Gray. 



Belle Isle, Foerste; Ann Arbor, Winch. Cat.; Pine Lake, Ingham Co.; Woodward Lake, Ionia Co.; 

 Macomb Co.; Isle Royale, Foote. Rare. 



* 1164. H. lacera, R. Br. Ragged Fringed-Orchis. Th. 



Ann Arbor, Winch. Cat.; Woodward Lake ; Flint ; Macomb Co. ; north to Keweenaw Co., F. Infre- 

 quent. 



*1165. H. psycodes, Gray. Th. 



Low grounds. Frequent. 



413. CYPRIPEDIUM, L. MOCCASON -FLOWER. 



1166. C. arietinum, R. Brown. Ram's-head Lady's Slipper. 



Isle Royale, Dr. A. B. Lyons; tamarack swamp V z mile E. of Whittemore Lake, W. H. Lewis, May, 

 1891. Rare. 



1167. C. caiiclidum, Muhl. Small White Lady's Slipper. Th. 



Tamarack swamps. Ann Arbor, Winch. Cat.; Kalamazoo; Macomb Co. ; Flint ; Hubbardston ; How- 

 ell Junction, Wheeler ; Keweenaw Co., F. Rare. 



*1168. C. parviflorum, Salisb. Smaller Yellow Lady's Slipper. Th. 



Swamps. A slender species; leaves slightly pubescent, not much plaited; flowers much smaller than 

 those of the next; corolla bright yellow and much brown spotted inside in lines; sepals and side petals 

 dark brown-purple, the latter several times twisted. Usually grows in clumps, preferring very wet swamps. 

 Frequent. t 



*1169. C. pubescens, Willd. Larger Yellow Lady's Slipper. 



Woods, in moist or dry ground. Much coarser every way than the preceding, with strongly-plaited, 

 hairy leaves, and large light yellow flowers, more or less brown-spotted. Small forms of this are often 

 mistaken for C. parviflarum, but the two species are apparently distinct in Michigan. Frequent. 



*1170. C. spectabile, Salisb. Showy Lady's Slipper. Th. 



Swamps. The largest species, as well as the most beautiful ; leaves frequently 6x10 inches. Ann 

 Arbor, Winch. Cat.; Kalamazoo, Tuthill ; Macomb Co.; Flint; Hubbardston; Keweenaw Co. Frequent. 



* 1171. C. acaule, Ait. Stemless Lady's Slipper. Th. 

 Dry woods, and sphagnous swamps. Frequent. 



XCII. H^MODORACE^E. BLOODWORT FAMILY. 



414. ALETRIS, L. COLIC-ROOT. STAR-GRASS. 



1172. A. farinosa, L. G. & S. 



Addison, G. F. Comstock; Howard City; Grand Rapids; Ann Arbor, Allmend. Cat. ; Macomb Co. 

 Flint; Clarkston, G. H. Hicks; Hubbardston. Rare. 



XCIII. IRIDACE^E. IRIS FAMILY. 



415. IRIS, Tourn. WILD FLOWER-DE-LUCE. 



* 1173. I. versicolor, L. Larger Blue Flag. Th, 

 Low grounds. Common. 



1174. I. lacustris, Nutt. Lake Dwarf Iris. 



Bois Blanc I. and Drummond's I., Winch. Cat. : Mackinac., Whitney Cat.; "Shores of L. Huron 

 and Mich.," Gray, Lewis Foote, et al.; Mackinaw City, Wheeler. 



416. SISYRINCHIUM, L. BLUE-EYED GRASS. 



*1175. S. angustifolium, Mill. Th. 



Moist grassy places. Common. 



1176. S. aiiceps, Cav. Th. 



Palo ; Petoskey ; Keweenaw Co., F. 



XCIV. AMAKYLLIDAQE.E. AMARYLLIS FAMILY. 

 417. HYPOXYS, L. STAR-GRASS. 



