286 Fr. Kränzlin. — Orchidaceae-Odontoglosseae II. 



0. odontochilum Barb. Rodr. Gen. et Sp. Orch. nov. II. (1882) 189; Cogn. in Fl. 

 Bras. III. 6. 345, t. 66, fig. 1 . — Pseudobulbi anguste oblongi, ieretiusculi, cataphyllis 

 scariosis primum vestiti, deinde nudi, monophylli, paulum distantes, 3 ad 5 cm longi, 

 ad 1 mm crassi, virides. Folia oblonga, abrupte acuta, basi longe complicata, coriacea, 

 ad 13 cm longa, ad 3 cm lata. Inflorescentia paulo longior, racemosa, pauciflora, 

 bracteae brevissimae, pedicelli cum ovariis 1,6 cm longi. Sepala obovato-oblonga, antice 

 retusa, apiculata, lateralia basi breviter connata, omnia conniventia, flavescentia, fusco- 

 vittata, circ. 1 cm longa, dorsale ad 8 mm, lateralia 5 ad 6 mm lata Petala obovata, 

 leviter pandurata, plus minus unguiculata, antice retusa, leviter emarginata, 1,5 cm longa, 

 9 mm lata, basi fusca, apice flavescentia. Labellum longe unguiculatum, lobi laterales 

 lineares, obtuse acutati divergentes, lobus intermedius brevior, late obcordatus, antice 

 emarginatus, unguis labelli callosus, crista inter lobos laterales crassa, ut videtur pluri- 

 dentata, antice emarginata, totum labellum luteum, circ. 1,2 cm longum, lobi laterales 

 7 mm longi, lobus intermedius 5 mm longus, 9 mm latus. Gynostemii puberuli alae 

 longiusculae, porrectae, acutae, incurvae vel potius hamatae, margo androclinii incin- 

 branaceus, subtiliter ciliatus, anthera convexa, subtiliter pilosa, antice producta. — 

 Fl. Junio. 



Planta neque ill. Alf. Cogniaux neque mihi visa, omnia ex icone et descriptionc 

 autoris. 



Brasilien. Minas Geraes, am Flusse Parahybama (Barb. Rodrigues). 



Nota. Me judice 0. Widgreni Lindl. quod etiam in provincia Minarum crescit, si non 

 plane eadem, forsan varietas illius speciei. — Species certe * Cruciatorum II«. 



0. Rivierianum St.-Leger, Rev. hört. Beige XXX. (1904) 144; le Jardin. 237; Kew 

 Bull. App. (1905) III. 84; Orch. Rev. XIII (1905) 127; Cogn. in Fl. Bras. III. 6. 447. — 

 »Pseudobulbi ovoidei, valde compressi, ancipites, pallide virides, 5 ad 6 cm longi. Folia 

 lineari-lanceolata, acuta, 15 ad 20 cm longa, nervo mediano intense luteo. Pedunculus 

 communis 15 ad 20-florus, 70—80 cm longus. Flores 7 — 8 cm in diain. verticali, 

 sepalis petalisque albis, atrorubro-maculatis. Sepala lanceolata. Petala oblonga, undulata, 

 margine ad medium dentata. Labellum panduriforme, aureo-luteum, atropurpureo- 

 maculatum, lobis lateralibus fimbriato-dentatis, lobo terminal! margine antice dentato. 

 Columna alba et fusco-maculata«. — Species mihi haud visa. 



Brasilien. Sammler, Fundort und alles sonstige unbekannt. 



Nota. Optimo jure Anglicus quidam (R. A. Rolfe?) in Orch. Review 1. c. queritur, im- 

 pudentiam esse et petulantiam, species hoc vili modo descriptas in lucem edere; quoad prioritatem 

 esse neglegendas. 



0. Lindleyanum bort. Minden ex Gard. Chron. (1869) 587. — »A very beautiful 

 species, the lip is large and white with spots of purple at the base, the petals are also 

 white at the margin, pale purple at the middle.« 



0. teretifolium bort, in Flor, et Pomol. (1882) 90. — »A rather attractive species 

 o!' the Ceboletta-group, with thickish erect cylindrical leaves and erect many-flowered 

 panicles of rather small but abundant bright yellow flowers. — Sir Trevor Lawrence.« 



0. tenellum Fr. Gerard in Portef. des Hortic. I. 99 (1847) c. tab. col.; Cogniaux in 

 Fl. Bras. III. 6. 436. — Oncidium cardiochilum Lindl. Fol. Orch. Oncid. 27; Reichb. f. 

 in Walp. Ann. VI. (1861) 7 43 = Odontoglossum cardiochilum (Lindl ) Kränzl. — »Foliis 

 paiicis, Bat parvis, earnosulis, equitantibus (3,5 — 6 cm longis, 7—12 mm latis) acutis, 

 subtiliter serrulatis, acute carinalis; pedunculo communi ascendente gracillimo (12 — 15 cm 

 longo) teretiusculo, ßimplice vel vix ramoso, foliis multo longiore, superne laxiusculo 

 3 — 10-floro, bracteis minutissimis (1,5 ad 2 mm longis), pedicellis cum ovariis (1,5 ein 

 longis) reetis vel paulum arcuatis. Florum segmentis patentissimis, tenuiter membranaceis, 

 sepalis obovato-lanceolalis, subaequilongis, acutis, inferne longe cuneatis, albis vel dilule 

 roseis, basi transvcrse fusco-maculatis (6 — 7 mm longis, 2,5 — 3 nun latis), lateralibus 

 obliquis, liheris. Pelalis oboviilo-suborbicularibus, apice rotundatis, minute apiculalis, 

 breviter unguiculatis, leviter undulatis, sepalo dorsali paulo longioribus (7 — 8 mm longis, 

 6 7 nun latis). Labelln (Juplo longiore, ambitu obovato-quadrato, lobis basilaribus parvis, 



