250 Bog-Trotting for OrcHids 



I.— HABENARIA ORBICULATA (Pursh) Torrey, 1814-1826 



Large Round-Leaved Orchis— Heai.-Ai<i< — Shin- 

 Pilasters 



The specific uame, orbiculata, refers to the round or orbicular 

 leaves of this plant. 



Tall spiked woodland orchid, with thick fibrous roots. June 

 lyth-July I5th-August 5th. 



Flowers greenish-white, many in spiked raceme. Labellum 

 oblong-linear, white, spur long. Sepals and petals ^ to ^ as 

 long as labellum. Sepals spreading, petals smaller. Stem or 

 scape 1-2^ feet high, braded, occasionally producing one 

 small stem-leaf. Leaves 2, basal, large, round, flat-lying, 4-7 

 inches in diameter. 



Continental Range — Not uncommon, but scarcely abundant, 

 from Newfoundland, British Columbia, Lake Superior, south- 

 ward to the western mountains of North Carolina ; westward to 

 Montana, Idaho, and Washington. 



New England Ratige— Maine, common ; New Hampshire, 

 common; Vermont, frequent; Massachusetts, occasional; Rhode 

 Island, not reported ; Connecticut, rather rare. 



2.— HABENARIA HOOKERIAN^ A. Gray, 1836 

 Smali, Round-Leaved Orchis— Hooker's Orchis 



The specific name, Hookeriana, refers to Sir J. Hooker, who 

 studied this orchid and in whose honor Dr. Gray designated it. 



Damp, hilly woodland orchid with fleshy-fibrous roots. June 

 loth-August 22d. 



Flowers many, subtended by small bracts in spiked raceme, 

 yellowish-green ; spike 4-8 inches long. Labellum linear- 

 lanceolate, acute Yi-Yi inch long. Sepals and petals greenish, 

 spreading ; petals awl-shaped ^inch long. Stem 8-18 inches 

 high, not braded. Leaves 2, oval, obovate, or orbicular, slightly 

 ascending, 3-6 inches long. 



Continental Range— Vxoxa Nova Scotia, Lake Huron, Lake 

 Superior, southward to New Jersey and Pennsylvania, westward 

 to Indiana, Minnesota, Wisconsin, and Iowa. 



New England Range— Maine, common ; New Hampshire, 

 frequent; Vermont, frequent; Massachusetts, occasional; 

 Rhode Island, rare ; Connecticut, rare. 



3.— HABENARIA OBLONGIFOLIA (Paine) Niles, 1865-1903 

 Smai^i. Obi,ong-Leaved Orchis 

 The specific name, oblongifolia, refers to the oblong leaves. 

 Damp, hilly woodland orchid with fleshy-fibrous roots. June- 

 August. 



