103 



GYNANDBIA MONANDRIA. 



LINNEAN SYSTEM. 



No. 117. 



NATURAL ORDER. 



MALAXIDE.E § DENDROBIEJ5, Litldl. 



GENERIC CHARACTER. 



Dendrobium (Swartz.) Sepala membranacea, erecta vel patentia, lateralibus majoribus 

 obliquis cum basi producta columnse connatis. Petala sepalo supremo ssepius majora, nunc 

 minora, semper membranacea. Labellum cum pede columnse articulatum vel connatum, semper 

 sessile, indivisum vel trilobum, saepius membranaceum, nunc appendiculatum. Columna 

 semiteres, basi longe producta. Anthera bilocularis. Pollinia 4, per paria collateralia. Herbce 

 epiphytae, nunc caulescentes, nunc rhizomate repente pseudo-bulbifero. Folia plana, saepius 

 venosa. Flores solitarii fasciculati, vel racemosi, speciosi. — (Lindl.) 



Sepals membranaceous, erect or spreading, the lateral ones larger, oblique, and connate, with 

 the lengthened base of the column. Petals most frequently larger than the upper sepal, some- 

 times smaller, always membranaceous. ' Lip articulated or connate, with the foot of the column, 

 always sessile, undivided, or 3-lobed, most commonly membranaceous, sometimes appendiculate. 

 Column semiterete, with a lengthened base. Anther 2-celled. Pollen-masses 4, collateral, in 

 pairs. — Epiphytic plants, sometimes caulescent, sometimes with a creeping rhizoma, bearing 

 pseudo-bulbs. Leaves plain, most commonly veined. Flowers solitary, fasciculated, or race- 

 mose, handsome. 



D. amcenum ; caulibus pendulis gracilibus nebulosis floriferis aphyllis ; foliis lanceolatis 

 acutis ; floribus geminatis racemum spurium formantibus longe pedunculatis divaricatis ; sepalis 

 oblongis obtusis ; petalis obtusis sepalo supremo paulo majoribus : labelli cucullati limbo ovato 

 obtuso crenulato leviter ciliato ; disco villoso. 



Stems pendulous, slender, clouded, flower-bearing, leafless ; leaves lanceolate, acute ; flowers 

 in pairs, forming a spurious raceme, with long peduncles, divaricate ; sepals oblong, obtuse ; 

 petals obtuse, a little larger than the upper sepal ; limb of the hooded lip ovate, obtuse, crenulate, 

 slightly ciliate ; disc villous. 



Dendrobium amcenum. — Wallich. 



Dendrobium aphyllum. — Roxb. MSS. 



Descr. — Flowering stems entirely leafless, very slender, and slightly clouded with brown. 

 Flowers of a delicate white, with obtuse segments, each of which is beautifully tinged at its 

 apex with violet. Lip cucullate, marked internally towards the base with greenish-yellow. 



SPECIFIC CHARACTER. 



This elegant species of Dendrobium has recently flowered in the collection of 

 George Barker, Esq., of Springfield, where our drawing was made. The flowers 



