1315 



DENDROBIUM* longicornu. 

 Long-horned Dendrobium. 



GYNANDRIA MONANDRIA. 



Nut. ord. ORCHinEA:. 5) Malaxidece. * Dendrobiese. 

 DENDROBIUM. — Supra, vol. 7. fol. 548. 



Sect. Caules undique foliosi, cylindracei, scepc penduli. Lind. Gen. et 

 Sp. of Orchideous Plants, ined. 



D. longicornu ; caulibus erectis hispidis fiexuosis, foliis ovato-lanceolatis 

 apice valde obliquis, floribus fasciculatis v. solitariis tenninalibus, bracteis 

 ovatis acuminatis hispidis pedicello multo brevioribus, sepalis lateralibus 

 in calcare longo acuminato connatis, petalis sepalo supremo confonuibus, 

 labello infundibulari ciiciiUato integro dentato basi cum pede columnaj 

 accreto. 

 Dendrobium longicornu. Lindl. in Wallich cat. no. 1997. 



Arhorum parasiticuin, scepiiis depcndens. Radix constans Jibris cylin- 

 dricis copiosis, carnosis, fasciculatis. Caules plures, graciles, sulcaii, 

 Jlexuosi, semi-pedales seu pedales, guin bipedales, pilis paleiforrnibus copiosis, 

 atris, subdecumbentibus, solubilibus conspersus, aetate glabriores. Folia 

 alterna, bifarit} patentia, interstitiis triplh longiora, linear i-lanceolata, ex- 

 trorsiiin attenuata, apice valde oblique bidentata, dentibus angustis, obtiisis, 

 altera abbreviate ; basi acutiuscida, sessilia, brevissime xiaginantia ; '-j-A-pol- 

 licaria, glabra, obsolete 3-nervia, lineata, planiuscula. Flores magni, albi, 

 hipollicares, inodori, glabri, pauci, terminales, nunc laterales in caulibus 

 aphyllis, suffulti pedunculo carnoso, cylindrico, paleuceo-pilosiilo, cum ovario 

 oblongo-clavato pollices duos emetientibus. Bvactese c??/«, lanceolatce, acutce, 

 carinatcB, pilosulce, ^-unguiculares ad basin pedunculi. Sepala erecto- 

 patentia, lanceolata, acuta, subcarinata ; superius levissime fornicatum ; 

 lateralia columnce adnata, deorsiim valde dilatata, cumque basi columnce 

 producta in calcar longmn infundibulifornie, attenuatum, apice teres, 

 ovarium, cequans. Petala sepalis sid)conformia, infra supcrius subconni- 

 ventia. Labelluni magnum, infundibuliforync, rectum, lamind brevi, ovatd, 

 obtusd, subretusd, ciliato-Jimbriatd ; marginibus obtusis, conniventibus ; disco 

 pupilloso-glajiduloso, lincisque parallelis favis ornato ; basi valde attenuata, 

 dcsineiis in calcar foris. Columna columnar is crassa, antice plana ; inferne 



* See fol. 1239. 



