ORCHIS FAMILY. 325 



H. psyc6des, SMALLER PFRPLE FRINGED O. Common, especially 

 N. : leaves oblong, above passing into lance-linear bracts ; spike cylindrical, 

 4' -10' long, crowded with smaller and fragrant flowers; lateral petals wedge- ' 

 obovate, almost entire; lip spreading, only ' wide, cut into denser fringe. 



H. peramcena. From Perm. W. & S. along and near the mountains : 

 flowers of size intermediate between the two preceding, the broad wedge-shaped 

 lobes of the lip moderately cut-toothed, but not fringed. 



* * Flowers greenish or yellowish-white, in late summer : glands oval or lanceolate, 



almost facing each other : spike long and loose. 



H. leucophsea. From Ohio W. & S. : 2 -4 high ; leaves lance-oblong ; 

 flowers rather large, the fan-shaped lip 3-parted, |' long, and many-cleft to the 

 middle into a thread-like fringe. 



H. lacera, RAGGED FRINGED O. Common N. & E. : l-2 high ; leaves 

 lanceolate or oblong ; petals oblong-linear, entire ; divisions of the slender-stalked 

 3-parted lip narrow and slenderly fringed. 



* * * Fioivers bright white, in summer: the lip fringe-margined but not cleft. 



H. blephariglottis, WHITE FRINGED O. Peat-bogs N. : like the next, 

 but rather smaller, 1 nigh, the fringe of the lance-oblong lip hardly equal to 

 the width of its body. 



* * * * Flowers bright orange-yellow, in late summer: glands orbicular, projecting 



on the beak-pointed bases of the very diverging anther-cells : ovary and pod 

 long, tapering to the summit. 



H. Ciliar is, YELLOW FRINGED O. Sandy bogs: l^-2 high; leaves 

 oblong or lanceolate ; spike short, of many crowded very showy flowers ; petals 

 cut-fringed at apex, the oblong body of tlie lip narrower than the copious long 

 and fine fringe. 



H. cristata, from Penn. S. : smaller, with narrower leaves, and flowers 

 only a quarter the size of the preceding, the petals crenate, and the ovate lip 

 with a narrow lacerate fringe. 



2. Ydloiv, green, or white species, with lip entire, at least not fringed. 



* Stem leafy: ieaves oblong or lanceolate : flowers small : anther-cells nearly parallel. 

 H. Integra. Pine barrens from New Jersey S. : resembles II. cristata, 



having small bright orange-yellow flowers, but the lip is ovate and entire or 

 barely crenulate. 



H! virescens. Wet grounds, common: 10' -20' high, with a conspicu- 

 ously bracted at length long and loose spike of small dull-green flowers ; the 

 lip oblong, almost truncate at the apex, its base with a tooth on each side and 

 a nasal protuberance on the face ; spur slender, club-shaped. 



H. viridis, var. bracteata. Cold damp woods N. : 6' -12' high, with 

 lower leaves obovate, upper reduced to bracts of the short spike, which are much 

 longer than the green flowers; lip truncate and 2 - 3-toothed at the tip, very 

 much longer than the sac-shaped spur. 



H. hyperbdrea. Cold low woods and bogs N. : 6'- 2 high, very leafy; 

 leaves lanceolate ; spike dense, often long ; flowers greenish, the lanceolate lip 

 like the other petals, spreading, entire, about the length of the incurved spur. 



H. dilatata. Resembles the last, grows in same places, but commonly more 

 slender and with linear leaves ; flowers white, less wide, open, the lanceolate 

 lip with a rhombic-dilated base ; glands strap-shaped. 



H. nivea. Sandy bogs, from Delaware S. : l-2 high, all the upper 

 leaves bract-like ; flowers white, in a loose cylindrical spike, very small, different 

 from all the rest in having the (white) ovary without a twist and the linear- 

 oblong entire lip with its long thread-like spur therefore looking inwards. 



* # Stem a naked scape : tlte leaves only 2 at the ground : flowers pretty large in 



a loose spike : anther-cdls widely diverging at their tapering or beak-like 

 projecting base. 



H. orbiculta, GREAT GREEN 0. Evergreen woods and hillsides N. : a 

 striking plant; its exactly orbicular leaves 4' -8' wide, bright green above and 

 silvery beneath, lying flat on the ground ; scape l-2 high, bracted, bearing 

 many large greenish-white flowers in a loose raceme; sepals roundish; lip nar- 



