in the H, C, Botanic Gardens^ Calcutta, 



385 



diate affinities. From the Indian Arethuseoiis, genera Corys- 

 anthes, Cephalanthera, and Pogonia,* it is easily distinguish- 

 able by the want of perfect leaves, the peculiar arrangement of 

 sepals and petals from which the bilabiate perianth results, 

 (in which respect it approaches Pterostyles,) and the form 

 of the labellum. 



MYRIOPTERON. (Gen, Nov.) 

 Fam, Nat, Asclepiade<s,—Sect, Periplocece. 



Corolla rotata, laciniis torsivis; Corona staminea 5-phylla, 

 foliolis aristatis, sinubus dente (incluso truncate) auctis. 

 Antherae membrana terminatae, apice cohserentes, a stigmate 

 subliberse, imberbes. Pollen granulosum, in massis solitariis 

 corpusculorum stigmatis parti dilatatae affixum. Folliculi 

 oblongo ovati, alis pluribus longitudinalibus aucti, divarica- 

 tissimi. Semina basi comosa. 



Planta volubilis, puberula^ lactea. Folia opposita, reti- 

 culation esubtus prominula. Processus inter petiolares car- 

 nosi, dentati, Cymse irregulareSy in paniculis axillaribus 

 disposit(S. Flores albidi, parvi. Folliculi oblongo-ovati, 



Myriopteron paniculatum. 



Descr, — Caulis glaber, tactu asperulus. Folia subovalia, 

 basi cordata, mediocriter cuspidata, molliter puberula ; venae 

 secondariae arcuatim nexae, interveniis reticulatis, venis 

 subtus prominentibus venulisque prominulis ; superficies 

 supera rugosa. Petioli subsemunciales. Processus interpe- 

 tiolares (stipuliformes) carnosi, pluridentati, subreflexi. Pa- 

 niculas laxae, pendulae, folia saepius superantes, e cymis multis 

 irregularibus conflatae. Flores albidi, parvi, subodorati. 

 Pedicelli apice incrassati^ papillosuli. Sepala 5 minuta. 

 Corolla rotata, aestivatione contorta ; lacinise oblongae, tortas 



* Anthogonium referred with some doubt to this same section by Dr. 

 Lindley, will, if characters derived from the pollen masses are to be ab- 

 solutely relied on, be found, I suspect, to belong to Epidendrese. 



3 c 



