ORCHIS FAMILY. 325 



H. psyc6d.es, Smallek Pukplb Pringbd O. Common, espefcially 

 N. : leaves oblong, above passing into lance-linear bi^acts; spike cylindricsd, 

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

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



H. peramcQUa. From Penn. W. & a. 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 lale 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, J' long, and many-cleft to the 

 middle into a thread-like fringe. 



H. ld,cera, 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. 



* * * Flowers bright white, in summer: the lip fringe-tnargined but not cleft. 



H. bleph.arigl6ttis, White Fringed O. Peat-bogs N. : like the next, 

 but rather smaller, 1° high, the fringe of the lauce-oblong lip hardly equal to 

 the width of its body. 



* # * * Flowers bright orange-bellow, 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. cili&ris, Yellow Fringed O. Sandy bogs: lJ°-2° high; leaves 



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



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



and fine fringe. 



H. crist&ta, 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. Yellow, green, or white species, with lip entire, at least not fringed. 



* Stem leafy: leaves oblong or lanceolate: flowers smaU: anther-cells nearly parallel. 

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



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

 barely crenulate. 



H. vir6scens. 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. vil'idis, var. taraeteita. 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. 



S. dilat^ta. 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. rliorabic-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: the leaves only 2 at the ground: flowers pretty large in 



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

 projecting base. 



H. orbicul^ta, Great Green 0. Evergreen wood.* 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- 



