64 MICHIGAN ACADEMY OP SCIENCE. 



ORCHIDACE^E Lindl. Orchis Family. 

 CYPRIPEDIUM L. 



*707. C. acaule Ait. Stemless Ladies' Slipper. Dry woods and sphagnous swamps. 

 Frequent. Th. 



708. C. arietinum R. Brown. Ram's-head Ladies' Slipper. Isle Royale, Dr. A. B. 

 Lyons; tamarack swamp one-half mile east of Whitmore Lake, W. H. Lewis; Mt. 

 Pleasant, C. A. Davis. Rare. 



709. C. candidum Willd. Small White Ladies' Slipper. Tamarack swamps. Ann 

 Arbor, Winch. Cat.; Kalamazoo; Macomb Co.; Flint; Hubbardston; Howell Junction, 

 C. F. Wheeler; Keweenaw Co., O. A. Farwell. Rare. 



*710. C. hirsutum Mill. Large Yellow Ladies' Slipper. C. pubescens Willd. Woods, 

 in moist or dry ground. Frequent. 



*711. C. parviflorum Salib. Smaller Yellow Ladies' Slipper. Very wet swamps. 

 Frequent. Th. 



*712. C. reginae Walt. Showy Ladies' Slipper. C. spectabile Salisb. Swamps. 

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

 Keweenaw Co.; Alma, C. A. Davis. Frequent. Th. 



ORCHIS L. 



' 713. 0. rotundifolia Pursh. Small Round-leaved Orchis. Frankfort, E. J. Parker; 

 Marquette, T. H. Danger; Lake Fume6, E. J. Hill. 



GALEORCHIS Rydb. ORCHIS L., in part. 



*714. G. spectabilis (L.) Rydb. Showy Orchis. Orchis spectabilis L. Rich woods. 

 Scarce. C. & S. 



PERULARIA Lindl. HABENAEIA Willd., in part. 



715. P. flava (L.) 0. A. Farwell. Tubercled Orchis. Habenaria flava (L.) A. Gray. 

 Macomb Co.; Ann Arbor, Winch. Cat.; S. W. Wright Cat.; Cheboygan Co., B. & K.; 

 Bay Co., G. M. Bradford; Alma, C. A. Davis. Infrequent. Th. 



COELOGLOSSUM Hartman. HABENARIA Willd., in part. 



*716. C. bracteatum (Willd.) Parl. Long-bracted Orchis. Eabenaria bracteata 

 (Willd.) R. Br. Ann Arbor and Emmet Co., Winch. Cat.; Macomb Co.; Kalamazoo j 

 Hubbardston; Flint; Alma, and northward. Th. 



GYMNANDENIOPSIS Rydb. HABENARIA Willd., in part. 



717. G. clavellata (Michx.) Rydb. Small Green Wood Orchis. Habenaria clavellata 

 (Michx.) Spreng. Lenawee Co., G. F. Comstock; S. W., Wright Cat.; Ann Arbor, All- 

 mend. Cat.; Hubbardston, Grayling, G. H. Hicks; Alma, C. A. Davis; and northward. 



LIMNORCHIS Rydb. HABENARIA Willd., in part. 



*718. L. dilatata (Pursh.) Rydb. Tall White Bog Orchis. Habenaria dilatata 

 (Pursh.) Hook. S. E. Winch. Cat.; Cons tan tine and northward. Th. 



719. L. hyperborea (L.) Rydb. Tall Leafy Green Orchis. Habenaria hyperborea 

 (L.) R. Br. Wet woods. Frequent northward. Th. 



LYSIAS Salisb. HABENARIA Willd., in part. 



*720. L. Hookeriana (A. Gray) Rydb. Hooker's Orchis. Habenaria Hookeriana 

 A. Gray. S. E. Winch. Cat.; Hubbardston; Flint; Lake Superior, Whitney Cat.; Alma, 

 C. A. Davis. Rare southward. Th. 



*721. L. orbiculata (Pursh.) Rydb. Large Round-leaved Orchis. Habenaria 

 orbiculata (Pursh.) Torr. Frequent in the pine region, not rare on U. P., Whitney, 

 Cat.; Hubbardston; Alma; Flint. Th. 



