608 ORCHIDEiE. 



bium, 5k;. P. oblongifolia, Lindl. l—V high or lower ; leaf 3"-5" long, 1" broad ; flowers 

 about 2"' long. — Hab. Jamaica !, March, on trees, in the mountains ; [Cuba ! ; Venezuela !]. 



9. P. plumosa, Lindl. ! Stem angular, shorter than the leaf ; leaf leathery, oblong, 

 sessile, exceeded by the peduncled, single spike : flowers subsessile, one-sided, yellow or 

 green ; perigonial divisions exterior lateral cohering to near the summit, gibbous at the 

 base, superior narrower, linear, interior much shorter, oblong, pointed, ftmbriate-serraie ; 

 lip rhomboid, concave."— 4"-6" high ; leaf 2V'~3" long, 8'" broad; flowers 6'" long.— 

 Hab. Trinidad {Lindl.) ; [Venezuela!]. 



** Peduncles few-] -flowered. 



10. P. sicaria, Lindl. ! Stem upwards winged, 3-4 times as long as the leaf; leaf 

 lanceolate-oblong, decurrent, gradually passing into the downward tapering stem- wing, much 

 longer than the short, fascicled, %-%-jiowered peduncles ; perigonial divisions exterior little 

 cohering, oblong-lanceolate, interior half as long, pointed ; lip lanceolate with a hook at 

 each side, 2-crested."— About 1' high ; leaf 4" long, 1" broad ; flowers 4'" long, " greenish 

 with purple stripes." — Hab. Trinidad {Lindl.) ; [Veuezuela!, New Granada]. 



11. P. Wilsoni, Lindl. ! Stem angular, not margined, as long as or twice as long as 

 the leaf ; leaf lanceolate, or elliptical -lanceolate, much longer than the fascicled, few—l- 

 flowered peduncles ; " perigonial divisions exterior lateral cohering, interior oblong, pointed ; 

 lip ovate with angles blunt." — 3'' high; leaf 1" long, 2"'-4'" broad.— Hab. Jamaica!, 

 Wils., Wullschl.; [Cuba]. 



12. P. discoidea, Lindl. " Stem as long as or shorter than the leaf; leaf ovate-lan- 

 ceolate : peduncles fascicled, \-flowered ; perigonial divisions exterior ovate, lateral cohering, 

 superior twice as large, interior linear ; lip cordate- ovate, bluntish, as long as the perigone." 

 — " li" high ; lip yellow, with a red spot in the middle." — Hab. Trinidad {Lindl.). 



13. P. ruscifolia, JR. Br. {L.). Stem cylindrical, twice-thrice as long as the leaf; 

 leaf elliptical-lanceolate, tapering at the base and sunrmit : peduncles fascicled, l-flowered, 

 exceeded by the petiole, included within a clasping-ovate, 2-fid sheath ; perigonial divisions 

 exterior lanceolate-acuminate, lateral cohering to the summit, interior halt as long, conform 

 to the former ; lip minute, ovate-oblong, blunt. — Jacq. Amer.Pict. t. 212. — Epidendrum, 

 L. Dendrobium, Sw. — About 1' high, rigid ; leaf 4"-5" long, 1" broad ; flowers 3'" long, 

 greenish: ovary long, slender. — Hab. Jamaica, from cultivated specimens; Dominica!, 

 Imr. ; Trinidad !, Cr. ; [Cuba ! to Guiana ! and Peru] . 



14. P. pruinosa, Lindl. {&.). Stem cylindrical, about as long as the leaf; leaf lan- 

 ceolate, about as long as or shortly exceeded by the single, filiform, few-flowered peduncle ; 

 perigonial divisions exterior ovate-oblong, lateral cohering to near the summit, " interior 

 little shorter, linear ; lip small, ovate, pointed, with blunt angles below the middle." — 2"- 

 4" high ; leaf 1"-1J" long, 2"'-3'" broad; flowers H'" long, "yellowish."— Hab. Jamaica 

 {Lindl.) ; Trinidad !, Cr. ; [Guiana !, on trees]. 



15. P. emarginata, Lindl. " Stem delicate, shorter than the leaf ; leaf oblong, 

 emarginate, longer than the capillary, 2 flowered peduncle; perigonial divisions linear-lan- 

 ceolate, exterior cohering to the middle, interior half as long ; lip linear-lanceolate with 

 lateral angles, saccate at the base, serrulate." — Speckliuia, Lindl. — Leaf about IV' l° n S « 

 flowers green, interior divisions white, lip rosy." — Hab. Jamaica {Lindl.). 



§ 2. Stems reduced, caspitose: leaf approximate to the root. 



16. P. aristata, Hook. Leaf spathulate-lanceolate, pointed, long-tapering into the 

 petiole, margined, much shorter than the single, flexuose raceme ; perigonial divisions ex- 

 terior lanceolate, tapering from the middle into the awn-like summit, interior half or one- 

 third as long, lanceolate-acuminate ; " lip ovate-oblong, blunt, with small, lateral lobes." — 

 Ann. Nat. Hist. 2. t. 15 : the interior perigone shorter than in our specimen, and long- 

 fringed. — Leaf 8"' long, 2"' broad j peduncled raceme 3"-4", flowers 4'" long, the latter 

 purple-veined. — Hab. Dominica !, Imr. ; [Guiana]. 



17. P. delicatula, Lindl. ! Leaf spathulate, pointed, tapering into the short petiole, 

 margined, one-third as long as the single, flexuose raceme ; "perigonial divisions exterior 

 linear acuminate, bluntish, nearly tree, interior cuneate cut; lip little shorter than the pe- 



