Orchidaceae. 677 
eulis, sepalis aequilongis; labello erecto, 10—14 mm. longo, lobis basi- 
laribus subrotundatis, 11/,— 2 mm. longis, lobo terminali plano, bre- 
vissime angusteque unguiculato, late obeordato-subquadrato, 7 — 9-nervu- 
loso nervulis dichotome ramosis, 8—11mm. longo, 13—17 mm. lato, 
calcari pendulo, subrecto, 10 —11 mm. longo, ad medium 2/, mm. crasso, 
obtuso, basi dilatato. 
Dendrophylax hymenanthus Rehb.f.! in Walp. Ann. VI (1864) 
p. 905, in Flora (1865) p. 279. 
Aeranthus hymenanthus Griseb.! Cat. (1866) p. 264; Saw. Fl. 
Cub. p. 229. 
Flores albi. FI. VIII. 
Hab. in Cuba orientali: Wright n. 1692; Haiti supra arbores in 
Morne Corneille prope Dondon alt. 500 m.: P. E. Christ n. 2053. 
XCIV. Polyrrhiza Pfitz. 
Pfitz. in Engl. und Prantl, Nat. Pflanzenfam. II.6 (1889) p. 215. — 
Dendrophylax (part.) Benth. et Hook. Gen. III p. 585. 
Sepala subaequalia, libera, patentia vel reflexa. Petala sepalis 
similia. Labellum ad basin columnae sessile, erectum, basi in calcar 
longissimum os versus dilatatum productum, eum columna continuum; 
lobi laterales basilares, breves interdum subobsoleti, erecti, medius amplus 
profunde bilobulatus, disco inferne tenuiter carinato. Columna bre- 
vissima, lata, apoda, apice antice bialata; clinandrium parum promi- 
nulum, truncatum. Anthera terminalis, opercularis, incumbens, con- 
vexa, antice truncata, bilocularis; pollinia 2, cerea, subglobosa, sulcata, 
inappendiculata, anthera dehiscente stipitibus 2 distinctis planis ob- 
longis vel cuneatis affixa, glandula squamiformi unica vel bipartibili. 
Capsula elongata, erostris, angulata. — Herbae epiphyticae, aphyllae, 
Indiae occidentalis et Floridae incolae, radicibus dense fasciculatis, 
pseudobulbo nullo. Scapi tenues, simplices, vaginis parvis dissitis. 
Flores in scapo solitarii vel pauci racemosi, maximi vel rarius 
mediocres. Bracteae parvae. 
Conspectus specierum. 
I. Labelli lobus terminalis in lobulos breves latos obtusos vel rotundatos 
divisus, lobi laterales basilares. 
A. Sepala petalaque oblongo-lanceolata, 5— 7-nervia; labellum sepalis 
aequilongum vel paulo longius, lobulis terminalibus divaricatis. 
1. Sepala petalaque carnosula, obtusa, 7-nervia; labellum sepalis aequi- 
longum, lobo terminali 7—9-nervio . 479. P. funalis Pfitz. 
2. Sepala petalaque submembranacea, acuta, 5-nervia; labellum sepalis 
distincte longius, lobo terminali 11-nervio 480. P. Faweetti Cogn. 
