568 A. COGNIAÜX: 



Sepala petalaque extus alba, intus pallicle fusca; labellum album, 

 intus aureo rubroque variuui. Fl. I, III, IV. 



Quasi spontaneus in Cuba locis hiimidis inter herbas ad Pinal 

 de Santa Anna alt. 800 mm.: Eggers n. 5051; Jamal ca ad Bethany, 

 Bellevue 1500 m. alt., locis umbrosis ad Wallenford 1000 m. alt, in 

 graminosis humidis ad Laplaud prope Catadnpa 600 m. alt: Wull- 

 schlaegel, Alexander Prior, Eggers n. 3793, W. Harris in Herb. BotDep. 

 n. 7637, 9183, 0. Hansen n. 7. — Patria Asia or. trop. 



LV. Calanthe R. Br. 

 7^. Br. in Bot. Bec/. VII (1821) sah t. 573; Benth. et Hook. Gen. III 

 p. 520; Bfitx. m Engl, luid Brantl, Natürl. Bflanxenfam. II. 6 p.l53. 



Sepala subaequalia, libera, patentia. Petala sepalis similia vel 

 angiistiora. Lab eil i unguis cum columna connatus in tubuni cylin- 

 draceum vel late turbinatum, ima basi saepissime in calcar longum 

 tenueque productus; lamina patens, triloba, lobo medio saepe bilobu- 

 lato; discus varie callosus vel lamellatus. Columna brevis, erecta, 

 apoda, alis saepius usque ad apicem extensis cum ungue labelli con- 

 natis; cliuaudrium membranaceum, saepe profunde excavatum. An- 

 thera subterminalis, opercularis, incumbens, bilocularis; pollinia 8, 

 in quoque loculo -4, cerea, coraplanata, apice atteuuata vel caudata. 

 Capsula oblonga, saepe nutans. — Herbae terrestres, pleraeque 

 Asiaticae tropicae, caulibus foliatis brevibus demum saepe in pseudo- 

 bulbos incrassatis. Folia non articulata, pauca, saepius gemina, ampla 

 plicato-venosa, in petiolum contracta. Scapi e rhizomate erecti, 

 saepe elati, sub anthesi saepe aphylli, basi vaginis plus minus stipati, 

 foliis tardius evolutis. Racemi simplices. 



356. Calanthe mcxicaiia Rchb.f. pseudobulbo angusto, vagina 

 hyalina oblonga acuta reticulato-norvosa vestito; foliis 2, late oblongis, 

 acutis, basi longo angustatis, crasse trinerviis, 3 — 6 dm. longis, usque 

 1 — 2 dm. latis; scapo erecto, simplici, primum dense velutino demum 

 glabro, foliis circiter aequilongo; racemo elongato, laxiuscule multifloro; 

 bracteis lineari-lanceolatis, acuminatis, margine breviter ciliatis, 10 — 

 13 mm. longis, 2 mm. latis; floribus patulis demum nutantibus, den- 

 siuscule breviterque pubescentibus, breviuscule pedicellatis; sepalis 

 acutiusculis, tenuiter triner vulosis, 8 — 9 mm. longis, dorsali anguste 

 ovato, inferne angustato, lateralibus oblongo-ligulatis; petalis ligulato- 

 subspathulatis, abrupte acutiusculis, sepalis satis brevioribus; labello 

 obovato, indiviso, apice rotundato vel retuso iuterdum minute apicu- 

 lato, margine integerrimo, sepalis paulo longiore, nervis lateralibus 

 duobus a basi in discum carinulatis, calcari filiformi, acuminato, unci- 

 nato, ovario breviore. 



