640 OKCHIDE^. 



terior linear, all recurved at the summit, much exceeded ly the lip; lip bluntly conical: 

 basilar auricles linear, incurved. — S». H. t. 29./. 4 : analyt. (Cranichis, Su>.). Sot. Ueg. 

 t. 1915 (P. colorans, IMdl. ! : a form with 1-2, large, elliptical-oblong leaves). — li'-3' 

 high ; leaves 4"-8", long, variable ; flowers greenish : lip 2'" long.-^HiB. Jamaica I, 

 Macf., Fd., on stony mountains and in woods ; Dominica !, Imr. ; [Cuba ! and Mexico ! to 

 Brazil]. 



202. P. myosurus, G. Hchh. ! ms. Leaves ovate, or elliptical, pointed, shortly pe- 

 tioled ; spike dense, filiform ; lowest flowers often somewhat distant : bracts linear-acumi- 

 nate, a little shorter than the ovary ; periffonial divisions exterior lateral deltoid, erect, 

 including the lip, anterior and 2 interior linear, blunt, recurved; lip hemispherical-coni- 

 cal, blunt: basilar auricles very short. — Sw. Fl. t. 29./. 2 : aKa/yi.— Cranichis oligantha, 

 Su>. (Prescottia, Lindl.) : a name given by mistalie instead of C. mieraniha, the flowers being 

 numerous. — 6"-] 2" high, slender: leaves 8"'-14" long, usually longer than the petiole; 

 flowers " reddish-white," V" long. — Hab. Jamaica !, Pd., Wullschl., on rocks and in moun- 

 tain pastures, Manchester, Hanover ; Dominica !, Imr. ; [Cuba !]. 



66. STBNOPTEKA, Pd. 



Lip posterior, adhering at the base to a perigonial tube : all divisions narrow. Column 

 curved ; anther obliquely terminal : poUinaria 2. — Koot fascicled, or fibrous ; leaves rosu- 

 late ; flowers spicate. 



203. S. ananassocomos, Q. Bchb. I Low ; leaves elliptical, mucronnlate-pointed, taper- 

 ing into a short petiole, ciliolate, about half as long as the puberulous scape ; spike dense, 

 ovoid : bracts ovate, cuspidate, fringed-ciliate, lower exceeding the flower ; perigonial divisions 

 exterior lateral linear, blunt, nearly conform to the lip, ventral cohering with the 2 interitfr 

 ones to near the summit, forming with them a 3-dentate, spathidate-linear blade ; lip as long, 

 spathulate-linear, convolute at the claw, 1-3-nerved. — Spiranthes Gardneri, Lindl. I in PI. 

 Wright. 1482. — 1'-2' high ; rosulate leaves many, 6"'-8"' long, lower bracts 4'", flowers 

 2'" long ; perigonial tube obliquely adnate to the ovary-neck, much shorter than the divisions ; 

 anther lanceolate-acuminate, as long as the column, its bed with a dorsal tooth : pdllinaria 

 clavate, solid : rostellum dvate. — Hab. Jamaica !, Wullschl., among mosses, hanging from 

 trees, near Beaufort ; [Cuba !, Brazil]. 



67. SPIRANTHES, Rich. 



Lip anterior, channelled, embracing at the base the column, 2-callous : perigonial divi- 

 sions exterior, lateral oblique at the base, superior and 2 interior often cohering below. 

 Column curved ; anther dorsal : poUinaria " 2, bilobed." — Uoot fascicled, usually with tube- 

 rous fibres ; leaves all, or most rosulate, rarely all suppressed ; spike usually spirally 

 twisted. 



§ 1. Flowers horizontally curved (Euspiranthes, Lindl.). 



204. S. tortilis, McA. {S.). Scape glabrous below, distantly sheathed with tubular- 

 acuminate scales ; leaves " linear," disappearing before authesis ; spike slender, puberulous : 

 flowers white, nearly one-sided : bracts ovate-oblong, pointed, as long as or little longer 

 than the ovary ; perigonial divisions oblong-lanceolate, exterior lateral as long as the lip, 

 superior and 2 interior cohering at the base ; lip cncullate, gibbous at the base, keeled on 

 the back : blade oval, crenate-crispate, or obsoletely 3-lobed. — Sw. Fl. t. 28./. e. analyt. 

 — Neottiu, Sm>.---1'-2' high ; spike l"-4", flowers 8'" long.— Hab. Jamaica 1, all coll., in 

 savannahs; Antigua I, Wullschl. 



205. S. apiculata, Lindl. {E). Scape glabrous, distantly sheathed with clasping, 

 lanceolate-acuminate scales ; leaves . . . ; spike slender, glabrous, spiral: brads ovate-oblong, 

 acuminate, nearly as long as the flower ; perigonial divisions oblong-lanceolate, exterior 

 lateral as long as the lip, superior and 2 interior cohering below ; lip oblong, blunt, crenate- 

 crispate.— V high ; spike 3''-6", flowers 2"' long.— Hab. Jamaica I, Pd. ; Dominica I, Imr. ; 

 Trinidad !, Sieb. Tr. 118 ; [French islands !]. 



206. S. Hostmanni, G. Rchb. Scape glabrous below, distantly sheathed with tubular- 

 acuminate scales ; leaves . . . ; spike puberulous, glabrescent, spiral : bracts lanceolate- 



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