54 ORCHIDS OF JAMAICA 



Stems at intervals from creeping 

 rhizome. 



Leaf oval-roundish 17. P. 



Leaf linear-spathulate 24. P. sertularioides. 



B. Sheaths (as in Lepaiithes) with mouth 

 dUated, margined, ciliate. Leaves 

 ^ inch 1. or less. 

 Flower-stalk much shorter than leaf; 



stems much shorter than leaf 25. P. microlepanthes. 



Flower-stalk longer than leaf ; stem not 

 shorter than leaf. 



Stem with more than one leaf 26. P. foUata. 



Stem with only one leaf 27. P. trilobata. 



In the sequence of the species we have followed the arrangement 

 adopted by Prof. Cogniaux in Urban' s Symbolse Antillanae vi. 391-7. 



= 1. P. longissima Lindl Fol. Orch. Pleuroth. 31 (1859); 

 bCuOe>V^<.^i5^-raceme solitary, many-flowered, two or three times as long as 

 -• flL:«A i ^^ leski, enclosed by large leathery spathe ; sepals greenish-yellow, 

 • acute, lateral connate almost to apex. — Griseh. Fl. Br. W. Ind. 



607 ; Beichh. f. in Saund. Bef. Bot. t. 141 (1872) ; Cogn. in Symh. 



Ant vi. 397. P. racemiflora Lodd. Bot. Cab. x. t. 949 (1824) ; 



Lindl. in Hook. Exot. Fl. t. 123 (1825), non in Fol. Orch. Type 



in Lindley's Herb, at Kew. 



On trees and rocks; in fl. March- June ; Bertero ; Macfadyenl St. 

 Mary, Purdiel McNab ; Wilson \ Fairfield, Wullschlaegel, 13831 St. 

 Mary, J.P. 2331, Syme ! St. Ann, Miss T. M. Barrett ! Claverty Cottage, 

 Moore 1 Back Woods, Portland Gap, Miss B. Gossetl Mt. Moses, 2000 ft., 

 Harris ! Fl. Jam. 9018, 10,424, 8118 (fide Cogn.).— Guatemala. 



Plant 1-lJ ft. high. Stems 4-17 cm. 1., shorter or a little longer than 

 the leaves, clustered, clothed below with 2 or 3 adpressed acute sheaths. 

 Leaf 9-14 cm. 1., 2-3 cm. br., sessile, oblong or oblong-elliptical, obtuse, 

 tapering to base. Raceme to 35 cm. 1., with 15-26 secund flowers; spathe 

 1-2 cm. 1. Bracts 3-4 mm. 1., slightly shorter than pedicels, scarious, 

 sheathing, obliquely truncate and obtuse. Pedicels short, 5 mm. 1. Floivers 

 about J in. 1., greenish-yellow. Sepals 7-9-5 mm. 1., with mid-nerves 

 prominent on back ; lateral 4-4 • 3 mm. br. , broadly ovately concave ; 

 median 3-3 "3 mm. br., ovate, subacute, 3-nerved. Petals 6-8 mm. 1., 



2 "1-2 -5 mm. br., narrowly oval-oblong, broadest below the middle, to 

 lanceolate, apex rounded, very minutely apiculate to acute, exceeding lip. 

 Lip shorter than petals, when flattened barely exceeding 4 mm. 1., limb 

 8-3*5 mm. 1., 2-2-25 mm. br., with large basal auricles and short claw, 

 roundish, 3-nerved, mid-nerve thickened in upper part. Column about 



3 mm. 1., slender ; clinandrium membranous, ovate, blunt. 



2. P. racemiflora Lindl. Fol. Orch. Pleuroth. 34 (1859); 

 racemes usually more than one, but only one flowering, many- 

 flowered, two or three times as long as leaf, enclosed by large 

 leathery spathe ; sepals purple, long acuminate, lateral J-connate. 

 — Griseh. op. cit. 607 ; Cogn. op. cit. 398. P. oblongifolia 

 Lindl. in Comp. Bot. Mag. ii. 355 (1837). Epidendrum 

 racemiflorum Sw. Prodr. 125 (1788). Dendrobium racemi- 



