92 Fr. Kränzlin. — Orchidaceae-Odontoglosseae II. 



Radices crassiusculae. Pseudobulbi dense aggregati, rhizoraati brevi insidentes, vix 1,5 cm 

 longi, mono- vel diphylli. Folia a iatere visa linearia, teretia, juncea, longe acuminata, 

 20 ad 25 cm longa, sicca 3 ad 4 mm crassa, viva certe crassiora. Scapus basi curvatus, 

 ascendens, vaginulis paucis, valde distantibus praeditus, ad 30 cm longus, supra race- 

 mosus vcl subpaniculatus, bracteae florum minutae, ovato-triangulae, acutae, 1,5 mm 

 longae, ovaria cum pediceliis 1,5 ad 1,8 cm longa. Sepala obovato-oblonga, obtusa, 

 lateralia, plana, basin versus angustata, 8 ad 9 mm longa, 3 mm lata, dorsale leviter 

 cucullatum, paulo brevius, petalis obtriangulis, apice rotundatis aequilongum, haec 7,5 

 ad 8 mm longa, 3 vel 3,5 mm lata, omnia lutea concoloria. Labelli lobi laterales 

 breves, auriculiformes, ligulati, obtusi, rectangulariter divergentes, 5 mm longi, vix 1,5 mm 

 lati, lobus intermedius longe unguiculatus, transverse oblongo-reniformis, antice sub- 

 bilobus vel profunde emarginatus, callus septemlobus in ungue lobi intermedii; totum 

 labellum luteum, basi purpureo-signatum, 1 cm longum et antice latum. Gynostemium 

 supra alis 2 falcatulis, incurvis instructum, 2,5 mm longum. — Fl. Martio. — 

 Fig. 1 1 A. 



Westindische Provinz. Sta. Lucia (Herb. Banks). — Provinz des tro- 

 pischen Zentralamerika: Mexiko, Jalapa (Leibold n. 44!), Chicantla bei Oaxaca 

 in 650m ü.M. (Galeotti n. 5351, Bourgeau n. 2230); Yucatan, Wald bei Piste 

 (Seier n. 3990 !); Guatemala (Hartweg, Bernoulli n. 343!); Costa Rica, bei Tala- 

 manca in 100 m ü. M. (Tonduz n. 92 46!), bei Picagres (Endres ohne n. !). 



6. 0. Sprucei Lindl. Fol. Orch. Oncid. (1855) 14; Reichb. f. in Walp. Ann. VI. 

 (1881) 719; Williams, Orch. Grow. Man. ed. 7. 632; Pilger in Engler's Bot. Jahrb. 

 XXX. 150; Sander, Orch. Guide 192; Gogn. in Fl. Bras. III. 6. 441. — Rhizoma breve, 

 lignosum, radicibus copiosis, longis arboribus affixum. Pseudobulbi oblique ramis in- 

 sidentes, brevi-cylindracei, subcompressi, truncati, cataphyllis compluribus vestiti, mono- 

 phylli, 1 ad 2 cm longi, plerumque 1 cm crassi. Folia teretia, longe attenuata, sul- 

 cata (sicca seil.) ad 75 cm longa (ex Spruce, saepius tarnen multo breviora), medio 

 1,5 ad 2 cm crassa, breviora strieta, longiora certe deflexa. Scapus ad 70 cm 

 longus, satis tenuis, vaginulis brevibus passim vestitus, superne paniculatus, multi- 

 ramosus, floribus in ramis leviter fractiflexis satis congestis, bracteae minutae, 3 mm 

 longae, triangulae, reflexae, pedicelli tenues, 1,5 cm longi. Sepala obovata, longiuscule 

 unguiculata, apice rotundata, lateralia longiora, subrhombea, dorsale 1 cm, lateralia 

 1,3 cm longa, 6 vel 5 mm lata. Petala e basi longe unguiculata spathulata, antice 

 abrupte obtuseque acutata, sepalo dorsali aequilonga, 5 mm lata. Labellum basi cor- 

 datum, trilobum, lobi laterales satis longi, obovati, rotundati, lobus intermedius ungui- 

 culatus, obeordatus s. reniformis, antice satis profunde sinuatus, lobi laterales 6,5 mm 

 longi, antice 3,5 mm lati, lobus intermedius cum isthmo circ. 5 mm longo 1,2 cm 

 longus et antice latus, sinu amplissimo a lateralibus sejunetus, crista labelli tricruris, 

 crure mediano longo valde prominente; flores tenerrimi omnino lutei, sepala petalaque 

 basi rubro-suffusa, labellum antice rubro-punetatum. Gynostemii brevis alae rotundatae, 

 integrae, anthera antice truncata. Capsulae fusiformes vel ellipsoideae, ad 2 cm longae, 

 medio 8 ad 9 mm crassae, perigonii rudimentis coronatae. — Fl. a Januario ad 

 Julium — Fig. 10(7: a—d. 



Brasilien. Hylaea und Amazonas, am Zusammenfluß des Solimoes und Rio Negro 

 (Spruce n. 1526!, 1536); am Rio Acre (Ule n. 90!); Parä (Gardner n. 2732!), bei 

 Santarem (Spruce n. 10062). Staat Bahia: in der Catinga de Galderäo (Ule n. 7033!). 

 Piauhy (Gardner n. 2732 bis !). Matto-Grosso (Pilger n. 768!, Riedel n. 10). — 

 Surinam, bei Warappa (Wullschlaegel n. 1121). 



Nota. Nomen vernaculura (sec. Spruce) rabo de Tatü, quod significat »cauda Basypi« 

 propter similitud'nem foliorum cum cauda animalium illorum. 



7. 0. Ottonis Reichb. f. in sched. nov. sp. — Radices crassiusculae. Pseudobulbi 

 minutissimi. Folia teretia, juncea, ad 3 6 cm longa, sicca 4 ad 5 mm crassa, viva certissime 

 crassiora, sensim attenuata. Scapus certe maculatus, strictus, validus, superne panicu- 

 latus, ad 100 cm altus, paniculae rami ascendentes, stricti, 8 ad 36 cm longi, Herum 



