400 A. Coaniaux: 
114. Pleurothallis erassipes Lindl. caespitosa, glaberrima; cau- 
libus numerosis, erectis, vobustiusculis, inferne incrassatis, leviter 
compressis, supra medium uniartieulatis, 12—25 cm. longis; folio 
coriaceo, oblongo, basi euneato et in petiolum 11/,—3 em. longum 
angustato, apice obtuso interdum vix emarginato, 9—16 cm. longo, 
2—4 cm. lato; racemis 2—3, saepius usque ad basin dense multifloris, 
folio satis brevioribus, basi spatha satis coriacea acuta 8 — 12 mm. longa 
inclusis; bracteis scariosis, ochreatis, acutiusculis vel obtusis, 2—3 mm. 
longis; floribus distichis, brevissime pedicellatis; sepalis anguste ovatis, 
acutis, trinervulosis, dorso carinatis, 3—31/, mm longis, dorsali 11/, mm. 
lato, lateralibus usque ad medium connatis, 1 mm. latis; petalis diaphanis, 
ovato-oblongis, obtusis, breviter trinervulosis, 2 mm. longis, ?/, mm. 
latis; Jabello carnosulo, ambitu obovato, 1!/, mm. longo, 1 mm. lato, 
distincte trilobato, lobis late subrotundatis, lateralibus minoribus, disco 
tenuiter tricarinato; columna cerassa, 1 mm. longa. 
Pleurothallis crassipes Lindl. Fol. Orch., Pleuroth. (1859) p. 29; 
Rehb.f. in Ber. Deutsch. Bot. Ges. III p. 279; Urb. Fl. Portor. p. 171. 
Flores lutei. Fl. VII, X; fr. IH, XIL . 
Hab. in Jamaica supra arbores et in rupibus prope Cinchona 
et prope Woodeutters Gap, alt. 1300 — 1650 m.: W. Harris in Herb. 
Bot. Dep. n. 7745, 7835; Haiti in rupibus ad Morne Bellance prope. 
Gonaives, in Morne-Tranchant alt. 1800 m.: W. Buch n. 810 part, 
E. Christ n. 1684, 1755; Portorico ad arbores et saxa in sylvis 
primaevis Sierra de Luquillo in cacumine montis Yunque, prope 
Barranquitas in summo monte Torrecilla alt. 1130 m., prope Adjuntas 
in monte Galsa, prope Utuado in monte Colon ad Roncador, prope 
Maricao in convalli fluminis superiore: Eggers, Sintenis n. 505, 1744, 
1983, 4406, 6508. — Venezuela. 
115. Pleurothallis velaticaulis Rehb.f. caespitosa, glaberrima; 
caulibus erectis vel ascendentibus, robustiusculis, leviter compressis, 
ad medium uniarticulatis, 14—17 cm. longis; folio satis coriace0, 
anguste oblongo, basi cuneato et in petiolum 11/,— 2!/, em. longum 
angustato, apice obtuso et minute emarginato, 13—15 cm. longo, 
2!/,—3 cm. lato; racemis geminis vel fascieulatis, fere usque ad basin 
densiuscule multifloris, folio satis brevioribus, basi spatha satis coriacea 
acuta 1'/, cm. longa inelusis; bracteis scariosis, ochreatis, oblique 
truncatis, 11/,— 21/, mm. longis; floribus subseceundis, breviter pedi- 
cellatis; sepalis oblongo-lanceolatis, acutis, trinerviis, dorso acute 
carinatis, 4—41/, mm. longis, 1!/, mm. latis, dorsali subeonduplicato, 
lateralibus basi breviuscule eonnatis; petalis diaphanis, oblongo-ligulatis, 
abrupte acutiusceulis, uninervulosis, 21/, mm. longis, ?/,; mm. latis; 
labello tenuiter membranaceo, ambitu suborbieulari, 1!/,; mm. longo 
