ORCHTDE^. 623 



"lip obovate, emarginate."— Papjo. Endl.N. Gen. t. 56.— Bletia, R. Br. EUeantlms, G. 



1^ r~ 1~ ^^^^' "^'^' ''°'^' ^"~^" ^™S. 1" broad ! head 2" diam.— Hab. Jamaica!, 

 Macf., March, Bon ; Trinidad !, Or., on trees ; [Venezuela to Brazil! and Peru I]. 



108. E. longibracteata, Lindl. ! (fe Herh. Book.).' Stem leafy to the summit ; 

 leaves oblong-lanceolate or ovate-lanceolate, narrowly acuminate, few uppermost smaller, 

 lanceolate; terminal spike oblong: bracts striate-scarious, ovate-subulate, spreading, ex- 

 ceeding the flowers ; Up shortly Z-lobed: middle lobe deltoid, bluntish, recurved.— Allied to 

 E. furfuracea, Lindl.— 1'-2' high ; leaves 3"-8" long, i"-li" broad ; bracts 10"'-6"'long, 

 pale-brown ; perigone 4"'-3"' long : divisions oblong : lip as long, convolute below the 

 division, oblong, with 2 ovate-lanceolate calli at the base and 2 small, transverse crests at 

 the origin of the lobes : lateral lobes roundish, all repand. — Hab. Jamaica !, Macf., March : 

 Dominica I, /mr. (broader-leaved, in fruit) ; [New Granada ! ; Ecuador!; Bolivia!]. 



20, ISOCHILUS, B. Br., G. UcKb. 



Lap spathulate-linear, free: claw incurved. Follima 6: 4 larger, 2 smaller sessile. — 

 Stem leafy above : no aerial tvbers ; leaves striate, flat; flowers in a terminal, onesided 

 spike. 



109. I. linearis, K. Br. (,L.,R.). Leaves linear, emarginate-blunt ; flowers purple: ^ 

 bracts ovate-lanceolate, bluntish.— ■Tacj'. Amer. Bid. t. 201. — Slender, I'-l^'high; leaves 

 distichous, li", perigone 3"'-4"' long. — Hab. Jamaica!, all coU., on rocks and trees, 

 common ; Dominica !, Lmr., S. Vincent !, Guild. ; Trinidad !, Sch. ; [Cuba ! and Mexico ! 

 to South Brazil!]. 



21. HEXADESMIA, Brongn. 



Lip spathulate or obovate, tree from the column : claw produced at the incurved base, 

 cohering with the base of the perigone. Pollinia 6, subequal : caudiculse of the 2 anterior 

 ones very short. — Stem \-few-leaved : aerial tuber narrow, fusiform ; iioy^eti fascicled or 

 racemose. 



110. H. fusifonuis, Gr. Stem ascending.: internodes single or few, each fusiform, 

 with a single, subereot leaf at its summit ;. leaves linear, emarginate-blunt, striate ; peduncle 

 terminal, short, enclosed by a membranaceous, oblong bract : flowers few, fascicled ; perigo- 

 nial divisions oblong-lanceolate, pointed, interior broader ; lip undivided, spathulate, repand- 

 subtruncate at the sumniit. — Isochilus, Lindl., e Trinidad, sec. Bradf. {" excl. pi. cult. op. 

 Lindl., sive Epidendr. fiisiformi, G. Rchb." sec. G. Bchb. in lit.). — 6''-8" high (the leaf in- 

 cluded) ; internodes li"-2", leaves 4"-5" long, the latter 2"'-3"' broad ; bracts 6"'-8"', 

 perigone 8'" long, its divisions erect, equalling the lip. — Hab. Trinidad!, Cr., Bradf; 

 Maracas, Maraval. 



22. PONBKA, Undl. 



Lip spathulate or oblong, free from the column : claw cohering with the produced base of 

 the perigone. Pollinia i : caudiculse 2. — Stem narrow-leaved ; flowers axillary, fascicled, 

 or glomerate. 



111. P. prolifera, G. Rchi. Stems flexuose, devoid of aerial tubers, or slightly fusi- 

 form at the base; leaves linear, bluntish, obliquely emarginate, spreading, 2 uppermost ap- 

 proximate; flowers glomerate at the leaved or aphyllous nodes; "perigonial divisions 

 lanceolate, blunt; lip obcordate."— .Bo^. Reg. t. 825. — Cymbidium, Sw. Isochilus, R. Br. 

 — Stem 6"-12", leaves li"-l" long, the latter 2'" broad ; flowers small, " purple or white." 

 — Hab. Jamaica {Sw.), on trees, in the mountains ; [Guiana !]. 



23. HEXISEA, Lindl. 



Lip adnate to the base of the column and " of the perigone." Pollinia 4, " devoid 

 of caudiculse." — Stem rigid, ascending, narrow-leaved; flowers in few-flowered, contracted, 

 terminal, or axillary racemes. 



112. H. reflexa, G. Rchb. I Stems hanging-proliferous, cylindrical, 1-leaved at their 

 divisions ; leaves rigid, thickish, narrowly linear-acuminate, channelled, much longer than 



