ORCHIDACEjE. 153 



nward, longer than the ovary. Stem leafy, 2-4 feet 

 high. Leaves oblong-lanceolate ; bracts a little shorter than the 

 flowers. Wet meadows. 



12. H. la'cera, R. Br. (RAGGED FRINGED-ORCHIS.) Like the 

 last, but the petals are oblong-linear and entire. The divisions of 

 the lip also are narrow and the fringe is less copious. Rogs and 

 rich woods. 



13. H. psyco'des, Gray. (PURPLE FRINGED-ORCHIS. ) Spike 

 cylindrical, many-flowered, the flowers pink-purple, fragrant. 

 Lip fan-shaped, 3-parted above the stalk-like base, Hie dlnsions 

 fringed. Spur curved, somewhat thickened downward, very long. 

 Low_ grounds. 



3. SPIRAN'THES, Eichard. LADIES' TRESSES. 



1. S. RomanZOVia'na, Chamisso. Spike dense, oblong or 

 cylindrical. Flowers pure ivhite, in 3 ranks in the sjnke. Lip 

 ovate-oblong, contracted below the wavy recurved apex. Stem 

 5-15 inches high, leafy below, leafy-bracted above; the leaves 

 oblong-lanceolate or linear. Cool bogs. 



2. S. gra'cilis, Bigelow. Flowers in a single spirally twisted 

 rank at the summit of the very slender scape. Leaves with 

 blades all in a cluster at the base, ovate or oblong. Scape 8-18 

 inches high. Sandy plains and pine barrens. 



4:. GOODYE'RA, E. Br. BATTLE-SNAKE PLANTAIN. 



1 . G. repens, R. Br. Floivers in a loose 1-sided spike. Lip with 

 a recurved tip. Scape 5-8 inches high. Leaves thickish, peti- 

 oled, intersected with whitish veins. Woods, usually under 

 evergreens. 



2. G. pubes'cens, R. Br. Spike not 1-sided. Plant rather 

 larger than the last, and the leaves more strongly white-veined. 

 Rich woods. 



5. LIS'TERA, E. Br. TWATBLADE. 



1. L. COrda'ta, R. Br. Raceme crowded ; pedicels not longer 

 than the ovary. Lip linear, 2- cleft. Column very short. Damp" 

 cold woods. 



2. L. COnvallarioi'des, Nutt. Raceme loose and slender; 

 pedicels longer than the ovary. Lip wedge-oblong, 2-lobed. 

 Column longer than in the last. Damp thickets. 



