404 A. Coanıaux: 
breviter acuminatis, 3-nervulosis, 7— 71/, mm. longis, dorsali 2!/, mm. 
lato, lateralibus 2 mm. latis fere usque ad apicem connatis, mento 
satis producto obtuso; petalis pellueidis, rhomboideis, acutis et breviter 
apiculatis, 3-nervulosis, superne subtiliter laciniato-ciliatis, 31/),—4 mm. 
longis, 2 mm. latis; labello carnosulo, anguste obovato-rhomboideo, 
apice truncato, basi cuneato, minutissime biauriculato, 3-nervuloso, 
densiuscule tenuiterque papilloso, 3 mm. longo, 2 mm. lato; columna 
2 mm. longa, clinandrio margine irregulariter angusteque denticulato. 
Pleurothallis hirsutula Faive. et Rendle! in Journ. of Bot. XLVII 
(1909) p. 3, Orch. of Jam. ined. t. 9 f. 15—19. 
Flores atropurpurei. Fl. VIII. 
Hab. in Jamaica supra arbores prope Ewarton et ad Mount 
Diabolo alt. 850 — 1000 m.: W. Harris in Herb. Bot. Dep. n. 6681, 9890. 
122. Pleurothallis pruinosa Lindl. dense caespitosa; caulibus 
ascendentibus, filiformibus, 1—2-articulatis, 2—7 cm. longis, vaginis 
laevibus; folio subcarnoso, sessili, saepius obliquo, lanceolato, apice 
minute bidenticulato, basi paulo angustato, 2—4 em. longo, 5—8 mm. 
lato; racemis solitariis vel geminatis, capillaribus, superne 2-—4-floris, 
2—4 cm. longis; pedicellis 2—3 mm. longis; bracteis subpellueidis, 
ochreatis, obtusis, 11/,—2 mm. longis; sepalis tenuiter membranaceis, 
ovatis, acutis, uninervulosis, extus pruinosis, dorso: leviter carinatis, 
21/, mm. longis, dorsali 1!/, mm. lato, lateralibus paulo angustioribus 
fere usque ad apicem connatis; petalis linearibus, acutis, uninervüs, 
21/, mm. longis, !/, mm. latis; labello membranaceo, glaberrimo, ovato, 
acuto, basi rotundato, integerrimo, 1!/, mm. longo, 1 mm. lato; columna 
crassa, ?/;, mm. longa. 
Pleurothallis pruinosa Lindl.! in Bot. Reg. XX VIII (1842) Mise. 
p. 75, Fol Orch., Pleuroth. p. 26; Griseb. Flor. p. 608; Rehb.f. in 
Ber. Deutsch. Bot. Ges. III p. 279; Cogn. in Mart. Fl. Bras. III. 4 
p. 429; Urb. Bl. Portor. p. 171. z 
Flores flavescentes vel pallide virides, rarius fusco-violacei. Fl. I-1V, 
YH; VIH, XII; fe. IV, VIR: VAL, ZI 
Hab. in Jamaica supra arbores ad Cascade, Mabess River, alt. 
850 — 1000 nı.: Purdie, Wilson, W. Harris in Herb. Bot. Dep. n. 7997, 
8111; Sto.Domingo: Eggers n. 2706; Portorico ad arbores sylvarum 
in Sierra de Luquillo ad montem Jimenes, prope Maricao ad Indiera- 
Fria versus: Sintenis n. 504, 1735; Guadeloupe in arboribus in 
convalli St. Louis, alt. 760 m:: Duss n. 4012; Martinique in arboribus 
prope Deux-Choux, ad Morne-Rouge: Duss n. 389, 4489, 4619, 4647; 
Grenada in saxis ad Morne-au-Camp alt. 450 m., ad arbores in con- 
valli £luminis Concord Valley, in arboribus ad Annandale, mont. 
. 
