Dondrobium. 69 



1. c. 3 2 i. — Gaules graciles, tenui-fusiformes, 30 — 100 cm>alti. Folia oblonga v. ob- 

 longo-lanceolata, apice obtusa, minute bilobula, pergamenea, 5 — 8 cm longa, 1 — 3 cm 

 lata. Racemi 8 — 1 2-flori, pseudoterminales; bracteae minutissimae; pedicelli cum ovariis 

 1,5 — 1,8 cm longi, pallide rosei. Sepalum dorsale ovatum, obtusum, lateralia ovato- 

 triangula, obtuse acutata, postice mentum ipsis aequilongum, subcompressum, obtusum 

 formantia. Petala late oblonga v. elliptica, margine leviter crenulata, antice rotundata 

 subemarginatave. Labellum obscure trilobum, (lobi laterales vix evoluti, antice rotun- 

 dati) cuneatum, antice utrinque rotundatum, retusum, subbilobulum (igitur fere ob- 

 cordatum), callus brevis, trilobulus in disco. Gynostemium antice excavatum ibique 

 sparse pilosum; anthera antice retusa, dentibus androclinii lateralibus compluribus mi- 

 nutis, obtusis. — Flores rosei, omnes partes antice intensiores 2,5 — 2,8 cm diam., 

 labellum album in sinu antico roseum, 2,2 cm longum, antice 1,4 mm latum, callus 

 aureus v. aurantiacus. 



Südwestmalayische Provinz: Sunda Inseln; Java (Blume!, Lobb n. 252!), 

 Süd-Sumatra (exam. spec. viva!). Diagn. ex pl. viv. a domin. Wendland-Herren- 

 hausen missa. — Japan: Lju-Kju Insel Yakushima (Faurie n. 4266!). 



86. D. Huttonii Reichb. t in Gard. Chron. (1869) 686; Veitch, Man. Dendrob. 

 49. — Caules graciles, 50 — 75 cm longi, erecti, multiarticulati, supra tantum foliati. 

 Folia lineari-lanceolata, acuta, 7 — 8 cm longa, vaginae arctae. Racemi ex suprema 

 parte caulis, biflori, bracteae triangulae, breves. Sepalum dorsale ovato-triangulum, 

 lateralia majora, mentum postice obtusangulum, parti anticae aequilongum formantia. 

 Petala cuneato-oblonga, obtusa, sepalum dorsale superantia, omnia acuta. Labellum 

 cuneato-flabellatum, antice trilobum, lobi laterales trianguli, serrulati, lobus intermedius, 

 semiovatus, serrulatus, callus triangulus retrorsus, retusus, brevis postice in disco. Stelidia 

 corniforrnia, lilamentum dentiforme. — Flores albi, illis D. sanguinohnti similes, mar- 

 ginibus purpureo-suffusi, labellum album, apice rubrum. 



Austromalayische Provinz: Insel Timor (Hutton, eingeführt von Yeitch). — 

 Ex. sp. typ. cult. in herb. Kew! (pessimum). 



87. D. barbatum Cogn. in Gard. Chron. (1897) II. 3 9 4; Chron. Orchid. n. II, 

 84; Rev. Hortic. (1898) 117; Journ. Soc. Nat. d'Hort. de France (1898) 304 et 747. — 

 Caules e basi tenui, tereti incrassati, füsiformes, sulcati, infra cataphyllis 2 — 3 vestiti, 

 supra plurifoliati, viridi-lutei, ad 1 cm alti. Folia disticha, lineari-lanceolata, acuta, 

 5 cm longa. Racemi quam folia breviores, in suprema parte caulis, nutantes, bracteae 

 membranaceae, anguste ovatae, obtusae, trinerviae, quam Ovaria cum pedicellis paulum 

 breviores, flores parvi, breviuscule pedicellati. Sepalum dorsale late lanceolatum, acutum, 

 erectum, apice reflexum, lateralia paulum majora, e basi triangula lanceolata, acuminata, 

 apice leviter recurva. Petala erecta, lanceolata, v. rhomboidca, acutiuscula, mentum 

 longiusculum, oblongum, obtusum formantia. Labellum sepalis aequilongum, e basi 

 cuneata obovatum, distincte trilobum, lobi laterales ovato-rotundati, margine integerrimi 

 et pilis elongatis flexuosis densiuscule ciliati, lobus intermedius paulo major, intus pube- 

 rulus, obsolete bicallosus. Gynostemium breve. — Flores albi, sepala 1 cm longa, 

 mentum apice roseo-tinctum. — Floret in Europa Junio. 



Nordwestmalayische Provinz: Rurmab. Eingeführt von de Lairesse in 

 Lüttich. 



Nota. Affine esse dicitur D. ciliato; mihi non visum. 



88. D. leucolophotum Reichb. f. in Gard. Chron. (1882) II. 552. — Tota planta 

 slatura et habitu D. barbatuli Lindl. sed major. Caulis validus, cylindraceus, poly- 

 phyllus. Folia ligulata v. oblonga, acuminata, membranarea, ad 1 6 cm longa, 2 cm 

 lata. Racemus elongatus, 30 cm longus, laxiflorus, bracteae subnullae. Sepala ligulata, 

 acuta, mentum sapalorum lateralium acutangulum, parvum. Petala latiora, oblonga, acuta. 

 Labelli lobi laterales trianguli, extrorsi, acuti, intermedius multo major porrectus, ligu- 

 latus, acutus, pars superior disci supra nervös lamellis minutis, ramulosis asperula. 

 Gynostemium minutum, dorso apiculatum. — Flores albi, alabastra lutea, sepala 



