=Flowers= small, solitary, and terminal. =Labellum= shoe-shaped, white, striped with purple interiorly; about 1 inch long; orifice small, with edges inflected. =Sepals= and =petals= lanceolate, greenish-brown and purple; lower sepals imperfectly united. =Stem= leafy, 6-12 inches high, pubescent. =Leaves=, 3-4, sheathing, erect, crowded, acute, 3-5 inches long, ⅔-1½ inches wide, several scales below, 7-9 nerved. _Continental Range_—From Connecticut, Pennsylvania westward to Indiana, North Dakota, Columbia Plains, on the Canadian shore of St. Clair River, to the Barrens of northern Kentucky, and Fort Hill, California, which station appears doubtful; more central distribution being from central New York to North Dakota. _New England Range_—Recently reported for Connecticut by Mr. A. W. Driggs, of East Hartford. 4.—CYPRIPEDIUM HIRSUTUM Miller, 1768 (_Cypripedium pubescens_ Willdenow, 1805) LARGE YELLOW LADY’S SLIPPER—DOWNY YELLOW MOCCASIN-FLOWER The specific name, _hirsutum_, refers to the whole plant being hirsute, or clothed with hairs. Large bogland or damp mountainside orchid, with fleshy-fibrous roots. May 19th-June 15th. =Flowers= dull chrome yellow, 1-3, terminal, shoe-shaped, 1-2½ inches long. =Labellum= shoe-shaped, inflated, convex above, chrome yellow, edges of orifice inflected, lined with downy hairs and dotted lines of carmine. =Sepals= and =petals= graceful, petals very much twisted; lower sepals imperfectly united; siskin-green and brown-purple. =Stem= leafy to top, 1-2½ high, pubescent. =Leaves=, usually 5, broadly ovate, 3-5 inches long, 1½-3 inches wide; 7-9 nerved; plicate and hirsute, said to cause poisonous irritation similar to _Rhus_. =Roots= used as a nervine.[67] _Continental Range_—From the wooded country of the sub-arctic lands in latitude 54°-64° North, southward throughout Canada, New England, to Alabama; westward to North Dakota, Colorado, slightly beyond the Continental Divide in the Rocky Mountain region. _New England Range_—Maine, common; New Hampshire, common; Vermont, frequent; Massachusetts, abundant; Rhode Island, rare; Connecticut, rare. 5.—CYPRIPEDIUM PARVIFLORUM Salisbury, 1791 SMALL YELLOW LADY’S SLIPPER—FRAGRANT YELLOW MOCCASIN-FLOWER The specific name, _parviflorum_, refers to the small flower of this species. Small bogland or damp hillside orchid, with fleshy-fibrous roots. May 19th-July 4th.