400 A. CoGNiAüx: 



114. Pleurotliallis crassipes Lindl. caespitosa, glaberrima; caii- 

 libus numerosis, erectis, robustiusculis, inferne incrassatis, leviter 

 compressis, supra medium uniarticulatis, 12 — 25 cm. longis; folio 

 coriaceo, oblonge, basi cuneato et in petiolum 1^2^ — 3 cm. longum 

 angustato, apice obtuso interdum vix eraarginato, 9 — 16 cm. longo, 

 2 — 4 cm. lato; racemis 2 — 3, saepius iisque ad basin dense multifloris, 

 folio satis brevioribus, basi spatha satis coriacea acuta 8 — 12 mm. longa 

 inclusis; bracteis scariosis, ochreatis, acutiusciilis vel obtusis, 2 — 3 mm. 

 longis; floribus distichis, brevissime pedicellatis; sepalis anguste ovatis, 

 acutis, trinervulosis, dorso carinatis, 3 — 31/., mm longis, dorsali lY^nim. 

 lato, lateralibus usque ad medium connatis, 1 mm. latis; petalis diaphanis, 

 ovato-oblongis, obtusis, breviter trinervulosis, 2 mm. longis, ^4 r^"i- 

 latis; labello carnosulo, ambitu obovato, 1'/., mm. longo, 1 mm. lato, 

 distincte trilobato, lobis late subrotundatis, lateralibus minoribus, disco 

 tenuiter tricariuato; columna crassa, 1 mm. longa. 



Pleurofhallis crassipes LivcU. Fol. Orrh., Pleurotlt. (1859) jj. 29; 

 llchb.f. in Ber. Deutsch. Bot. Ges. III jj. 279; Urb. Fl. Portor. p.l7L 



Flores Intei. Fl. YII, X; fr. III, XII. 



Hab. in Jamaica supra arbores et in rupibus prope Cinchona 

 et prope Woodcutters Gap, alt. 1300 — 1650 m.: W. Harris in Herb. 

 Bot. Dep. n. 7745, 7835; Haiti in rupibus ad Morne Beilance prope 

 Gonaives, in Morne -Tranchant alt. 1800 m.: "W. Buch n. 810 pari, 

 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, Siutenis n. 505, 1744, 

 1983, 4406, 6508. — Venezuela. 



115. PleurothaHis velaticaiilis Rchb.f. caespitosa, glaberrima; 

 caulibus erectis vel ascendentibus, robustiusculis, leviter compressis, 

 ad medium uniarticulatis, 14 — 17 cm. longis; folio satis coriaceo, 

 anguste oblonge, basi cuneato et in petiolum ly., — 2y._, cm. longum 

 angustato, apice obtuso et minute emarginato, 13 — 15 cm. longo, 

 2Y2 — 3 cm. lato; racemis geminis vel fasciculatis, fere usque ad basin 

 densiuscule multifloris, folio satis brevioribus, basi spatha satis coriacea 

 acuta ly» cm. longa inclusis; bracteis scariosis, ochreatis, oblique 

 truncatis, ly.^ — 2y2 mm. longis; floribus subsecundis, breviter pedi- 

 cellatis; sepalis oblongo-lanceolatis, acutis, trinerviis, dorso acute 

 carinatis, 4 — 4y2 mm. longis, ly^ mm. latis, dorsali subconduplicato, 

 lateralibus basi breviuscule connatis; petalis diaphanis. oblongo-ligulatis, 

 abrupte acutiusculis, uninervulosis, 2^1^ mm. longis, y^ mm. latis; 

 labello tenuiter membranaceo, ambitu suborbiculari, lya mm. longo 



