684 Obdee 138.— ORCHIDACB^. 



.in a straight raceme, yellowish-green, the spur 9 — 12" in length. Jn:, Jl. (ft. 

 Hookeriana^ 2d Edit.) 



5 P. Iiyperb5rea Lindl. St. leafy ; Ivs. very erect, acute, lanceolaie ; spike elon- 

 gated, many-flowered; bracts linear-lanceolate, acute, longer than the flower; 

 Sep. deflexed ; petals and lip linear, dbtase, suhequal, the latter someahai lanceolate, 

 and about as long as the pendulous, obtuse spur. — A tall, leafy, variable specie.', 

 in mountainous woods and open meadow.s, N". T. to Micl). and Can. Stems thick, 

 1 to 3 or even 4f high. Lvs. lanceolate, 4 to T by 1 to IV. Flowers greenish 

 in shades, nearly white in open situations, forming a long, more or less dense 

 spike. Jl. — A coarser plant than the next, which it often approaches in the morei 

 slender variety Hueonensi.s. 



6 P. dilit^ta Lindl. St. slender; lvs. lance-linear and linear, acnte; spike many- 

 flowered, virgate ; bracts lance-linear, about as long as the flowers ; upper sepal 

 ovate, obtuse, the lateral narrower and spreading; lip linear, entire, obtuse, dilated 

 and rhomboid at iase, about equaling the petals, and a little shorter tl^^n the ob- 

 tuse, incurved spur, which is longer than the ovary. — Swamps, K. States (rare) 

 imd Can. More slender and delicate than the last, 10' to 2f high. Lvs. often 

 narrow and grass-like 6 to 10' long. Fls. 10 to 50, pure white, varying to green- 

 ish. Spur about 4" long. Jl. (0. dilatata Ph.) 



7 P. braoteata Torr. St. leafy ; lvs. oblong, obtuse, upper ones acute ; spiko lax ; 

 bracts 2 to 3 times as long as theflovvers; sep. eonnivent, ovate; petals linear, 

 erect ; lip linear-cuneatc, truncate, '3-toolhed at the end, the middle tooth small or 

 obsolete ; spur short, inflated, obtuse. — A small, green-flowered orchis, iu shades. 

 St. G to 9' high. Lvs. about 3, 18fto 30" by 6 to 12", upper bracts as short as 

 the flower. Spikes 2 to 3' long. Pis. yellowish-green. Lip as long as the ovary, 

 'i times as long as .the sack-like spur. Can, to Va., W. to IU. Jl., Aug. (Peri- 

 atylus Lindl.) 



B P. flava Gray. St. leafy, lower lvs. oblong, acute, upper lanceolate, acuminate; 

 spike rather dense, cylindric ; bracts longer than the fls. ; lip oblong, obtuse, with a 

 tooth each side at base ; palate with one tuberculate tooth ; spur filifot'm, rather 

 shorter than the sessile ovary. — In alluvial soils, North and South. St. flexuoue, 

 12 to 18' high. Lvs. about 3, with long sheaths, 3 to 6 or 7' by J to 2', tapering 

 to an acute summit. Pis. in a long, thin spike. Sep. short, ovate, green. Petals 

 .yellowish, drying brownish. Upper bracts about as long as the flowers, lower 

 one 2 or 3 times as long. The tubercle of tlie lip is a remarkable character. Jn. 

 (0. flava L. 0. herbiole and fuscescens Ph. 0. bidentata Ell.) 



9 P. cristata Lindl. Ceested Orchis. Slender, lower lv.s. lance-linear, very 

 .acute, the sepal gradually reduced, linear, acuminate ; spiko oblong, densely 

 CO-flowered ; s^, and pet. roundish (1 to 2" long), the latter crenate ; lip oblong, 

 pinnately fimbriate, nearly as long as the spur which is half as long as the slender- 

 beaked ovary. — Swampa, N. J. to Ga. and La. A delicate, yellow Orchis, 18' to 

 2f high. Lvs. 6 to 10' long. Fls. quite small, the sep. and pet. scarcely more 

 than 1" long, spur 2 to 3". Jn., Jl. 



10 P. ciliaris Lindl. Yellow Prinoed Orchis. Lower lvs. lanceolate; spik9 

 oblong, dense, with numerous large fls. ; bracts shorter than the ovary ; lip. ob- 

 long-lanceolate, deeply fringe-ciliate, twice longer than the linear, notched petals ; 

 spur longer than the slender-beaked ovary. — Delicately beautiful, with briglit orange- 

 colored fls., in swamps, Can. and U. S., not common. St. about 2f high. Lvs. 

 sheathing at base ; lower ones 3 to 5' long, rapidly diminishing upwards. Sep. 

 roundisli, obtuse, concave. Petals linear, very small, incised at the summit ; tho 

 lip narrow, lanceolate, conspicuously fringed, 4" long. Spur 1' in length. Jl., 

 Aug. 



11 P. Blepharigldttis Lindl. White Fringed Orchis. Lower lvs. lanceolate, 

 rlianneled; spike oblong, dense; bracts linear, acuminate, shorter than the whiti) 

 JImivrs ; petals spatulate, dentate at apex; lipi lanceolate, ciliate, as long as the 

 upper sepal , spur mucli longer than the long-beaked ovary — In swamps, N, T. 

 to Car., resembing the last species, but distinguished, at least, by the color of its 

 fls. which are of a pure while. St. 1 to 2f high. Flowers fewer than ia the 

 latt. Sepals roundish-oblong, lateral reliexod. Lip frmged in the middle, 2'' long. 

 Jc, JL 



