246 Bo^-Trottin^ for OrcHids 



5.— CYPRIPEDIUM PARVIFLORUM Salisbury, 1791 



Smai,!, Yei^low Lady's Si^ipper— Fragrant Yei<i,ow Moc- 

 casin-Flower 



The specific name, parviflorum, refers to the small flower of 

 this species. 



Small bogland or damp hillside orchid, with fleshy-fibrous 

 roots. May igth-July 4th. 



Flowers small, yellow, solitary, and terminal. Often inter- 

 grades with larger yellow species'— ((T. hirsutum)\ fragrant, the 

 only Cypripedium in the Atlantic region especially so. La- 

 bellum small \-^\ inch long, shoe-shaped, drooping lemon- 

 yellow, lined with downy hairs and dotted lines of carmine. 

 Sepals and petals brownish-purple, similar in texture; sepals 2 

 inches long, graceful, twisted, lower ones imperfectly united; 

 petals glossy and twisting exceedingly. Stem leafy, slender, 

 pubescent, 1-2 feet high. Leaves lanceolate, 3-5 inches long 

 and \-2.\ inches wide, pubescent, 7-9 nerved; not so villose as 

 C. hirsutuin Miller. Said to produce poisonous effect similar 

 to Rhus. 



Continental Ran^e — In company with other species of New 

 England Cypripedium; from Newfoundland, British Columbia, 

 southward to Georgia; westward to the sub-humid regions of 

 Kansas, extending slightly over the Continental Divide in 

 Rocky Mountain region . Ascends 4000 feet altitude in Virginia. 



New England Range — Maine, frequent; New Hampshire, 

 infrequent; Vermont, frequent; Massachusetts, frequent; Rhode 

 Island, not reported; Connecticut, rather rare. 



6.— CYPRIPEDIUM ACAULE Aiton, 1789 



Two-Leaved Lady's Si^ipper — Stemi^ess Pink Moccasin- 

 Fi,owER 



The specific name, acaule, refers to the lowly and humble 

 (acaulescent), growth of the species, since the flower is stemless, 

 arising from a short or subterranean stem. 



Sphagnous bogland, conifer or mixed woodland orchid with 

 fleshy-fibrous roots. May I9th-June 20th. 



Flowers large, pink-purple, solitary, terminal, stemless. La- 

 bellum shoe-shaped, 2-2/^ inches long, bi-lobed, pendulous, 

 with closed fissure down its whole length, edges inflected, 

 downy interiorly ; pink-purple with darker veiniug of purple. 

 (Rarely pure white flowers occur, with crome yellow sepals and 

 petals. ) Sepals and petals brown-purple and green, shorter than 



