Fox: SPECIES OF CYPRIPEDIUM. 445 



As a native of North America, this species'^-^ was cultivated 

 by Ph. Miller"* in 1759. It is the only one of the eastern 

 species, known to be fragrant, and is generally known as the 

 "Small Flowered Lady's Slipper." 



Herb: Ballard, Zumbrota; Taylor, Chisago Co.; Hammond, 

 Lake City; ^aZtortZ, Carver Co.; Sheldon, Lake Calhoun; Hol- 

 zinger, Winona Co.; Sandberg, Hennepin Co.; Kassube, Minne- 

 apolis; Lugger, St. Anthony Park; Alton, Nicollet Co. 



Cypripedium acaiile Ait. 



Flower large; labellum bi-lobed, ruddy, leaves two. 



C. humile Salisb. Trans. Linn. Soc. 1:79. t. 2. f. 3. 1791: Xuttall. 

 Gen. N. Am. PI. 2:199. 1818; Persoon, Synop. Plant. 2:525. 

 1807. 

 C. acaule Ait. Hort. Kew. 3:303. 1789. 

 Mac. Cat. Can. PI. 2:20. 1888: Fowler, J. Trans. Roy. Soc. Can. Arct. 

 Fl. N. Br. 201. 1887; Bull. Me. Coll. Lab. 1893; Fl. Mt. Des. Is. Me. 

 153. 1894; Female], Port Cat. Me. PI. 64. 1892; Torrey. Fl. N. Y. 

 2:286. 1843; Geol. Surv. N. J. 2:236. 1889; Vail, A. M. Bot. Va Mem. 

 Terr. Bot. Club. 2::^2. 1890; Persoon. Synop. Plant. 2:525. 1807; 

 Small and Heller, Fl. N. C. Mem. Torr. Bot. Club. 3;2. 1792; 

 Meehan, T. Fl. and Ferns. U. S. 2:2:64. PI. 15. 1880: Baldwin. 

 Orchids of N. E. Fig. 8. 1884; Goodale, G L. Am. Wild Fl. PI. XI; 

 Dana. How to Kt ow Wild Fl. 180. PI. 64. 1893; Chapman. Fl. S. U. S. 

 464. 1887; Wood, Bot. and Flor. E. of Miss. 326. 1874; Gattin^er A. 

 Teun. Fl. 84. 1887; Jones, H. L. Cat. Phan. and Ferns. O. 82. 1892. 

 Bull Chic. Acad. Sci. 2:113; Mich. Fl. 138. 1892. Trans. Minn. State 

 Hort. Soc. 112. 1875: Upham, W. xMinn. Phan. 142. 1884; Gray, A 

 Man. Bot. 511. 1890; MacMillan. Metasp. Minn. Val. 162. 1892. 

 A perennial, two and one-half to four dm. high, slightly 

 downy with two leaves sheathing the base of the peduncle. 

 The roots are long and fibrous. The stem is very short, erect, 

 and quite obscured by the leaves. The two leaves are obovate 

 to oblanceolate, prominently three to five nerved and long, 

 somewhat hirsute and thickened. The peduncle which 

 lengthens greatly after anthesis, is from two to three and 

 one-half dm. high, cylindrical, erect, sometimes flexuous 

 and covered with a glandular pubescence The bract is from 

 two to three dm. long. The flower is single and quite notice- 

 able in color. The sepals are oblanceolate the two lower por- 

 tions of the perianth being united into one. All are nearly 

 one-half as long as the lip and brownish in color. The paired 

 petals are lanceolate, three cm. long, patent and similar in 

 color to the sepals. The lip is obovoid, decumbent with an 



(113) Ait. Hon. Kew. 5:220. 1812. 



(114) Nicholson. 111. Diet. Gard. and Ericycl. Hort. Bot. Gard. Kew. 1887. 



