618 ORCHIDE^. 



occur in the Jamaica collections. l'-3' high ; leaves 6"-4", perigone 9'" long.— Hab. 

 Jamaica ? (Sw.) ; Trinidad !, Pd. 



75. E. jamaicense, Lindl. ! Stem leafy above ; leaves oblong-lanceolate, pointed ; 

 flowers pale, in a simple raceme: bracts lanceolate-linear ; perigonial divisions pointed, 

 exterior spathulate-lanceolate, interior spathulate-linear ; Up undivided, roundish, or broader 

 than long, undalate-subentire, mucronate, 2-callous at the base. — Allied to the preceding, 

 but bracts 6"'-8'" long ; V high ; leaves 5"-3", perigone 8'" long.— Hab. Jamaica !, Pd., 

 on trees, Dunrobbin Castle. 



76. E. bifarium, Sw. (L). Stem short; leafy ; leaves lanceolate-linear, rounded- 

 auricled at the clasping base ; flowers "greenish-white," distantly distichous in an elongated, 

 spici/orm raceme : brads keeled-compressed, deltoid, tubular below and deeurrent along 

 the compressed rhachis ; perigonial divisions exterior ovate-lanceolate, " interior shorter, 

 setaceous: lip 3-lobed : lateral lobes roundish, entire, middle 2-lobed." — Stem 2"-4 , ra- 

 ceme 6"-10" long; leaves 2"-l", perigone 2"'-3'" long : flowers 3"'-6'" distant.— Hab. Ja- 

 maica !, Mac/., March, on trees, in high mountains. 



77. E. rigidum, Jacq. (L. B.). Stem leafy ; leaves oblong, blunt, equal at the base ; 

 flowers greenish, distantly distichous in a spike; bracts vaulted-ovate, keeled: keel deeur- 

 rent along the compressed rhachis ; perigonial divisions exterior ovate, interior lanceolate- 

 linear; lip undivided, cordate-ovate, blunt: disk callous; column dentate. — Jacq. Amer. 

 Pict. t. 204. Hook. Ic. t. 314.— 6"-10" high; leaves 2", perigone 2"'-3"' long— Hab. 

 Jamaica !, Mac/., Pd., Wullschl., on trees ; S. Vincent !, Guild. ; Trinidad !, Cr., Brad/. 

 [Cuba !, and Mexico to Brazil !]. 



78. E. strobiliferum, G. Bchb. Stem branched, leafy ; leaves lanceolate or ovate- 

 lanceolate, emarginate ; flowers " white," distichous in short, straight, terminal or lateral 

 spikes: bracts vaulted- ovate, bluntish, not deeurrent, exceeding the ovary ; perigonial divi- 

 sions exterior ovate-oblong, or oblong-lanceolate, interior oblong-linear, or linear : Up undi- 

 vided, cordate-ovate, pointed : disk concave, devoid of prominent calli. — 8"-3" high ; leaves 

 12"'-8'", perigone H"' long. 



a. Diffuse ; perigonial divisions exterior lateral oblique at the base, interior oblong- 

 linear. 



/3. Swartzii, G. Rchb. ms. Low ; spikes few-flowered, usually lateral ; perigonial divisions 

 exterior oblong-lanceolate, interior linear. — E. ramosum, var. Sw. 



Hab. Jamaica!, March, Wullschl. Q3) ; Trinidad!, Cr., Brad/.; [Guiana!]. 



79. E. ramosum, Jacq. (L. B.). Stem branched, leafy; leaves linear or lanceolate, 

 emarginate ; flowers greenish-white, distantly distichous in short, flexuose, terminal spikes : 

 bracts ovate-oblong, or oblong, concave, blunt, not deeurrent, exceeding the ovary ; perigo- 

 nial divisions exterior ovate-lanceolate, interior linear, or oblong-linear ; lip undivided, cor- 

 date-ovate, pointed (or bluntish) : disk concave, with two approximate short calli at the 

 base. — Jacq. Amer. Pict.t. 202. — 8"-li' high, spreading-branehed, ascending ; leaves la -4 > 

 perigone 3"'— 4'" long, the latter rigid. 



o. Leaves linear ; perigone 3'" long : interior divisions linear. 



j8. lanceolatum. Leaves lanceolate ; bracts larger, lower often sterile ; perigone 4"' long ; 

 interior divisions oblong-linear. 



Hab. Jamaica !, all coll., on trees and rocks (a, /8) ; Dominica !, Imr. ; [Cuba ! and 

 Mexico ! to Brazil]. 



80. E. umbellatum, Sw. (L.). Stem leafy; leaves oblong, or ovate-oblong, blunt, or 

 rounded -emarginate ; flowers greenish, umbellate, or corymbose : bracts ovate, pointed ; 

 perigonial divisions veiuy, exterior oblong-lanceolate, or oblong, interior linear, or spathulate ; 

 lip obsoletely 2>-lobed, broader than long, reniform-roundish, flabellate-veiny, 2-callous at 

 the base : middle lobe emarginate ; column cut-denticulate. — E. difforme, Jacq. Amer. Pict. 

 t. 206 •. an unusual form with broad leaves, and whitish flowers. — 6''-12" high ; leaves 

 1 J"— 3" long: sheath compressed ; perigone 6"'-8'" long: lip variable. 



a. Leaves oblong ; perigone 6"' long : exterior divisions oblong-lanceolate, interior linear ; 

 lip about twice as broad as long. 



/3. latilabre, Lindl. \ Leaves ovate-oblong, or oval ; perigone 8"' long : exterior divisions 

 oblong, interior spathulate, or spathulate-linear ; lip 1" broad or more, often four times as 

 broad as long. 



