Vol. XVII. pp 119-120 June 9. 1904 



PROCEEDINGS 



OF THK 



BIOLOGICAL SOCIETY OF WASHINGTON 



THREE NEW OR(HID SPECIES. 

 BY O.XKES AMES. 



k 



The three species of orclndaceous plants deseribt'd Ix'low liave 

 been for some time the cause of much perplexity, as I liave been 

 unal)le to refer them to species hitherto published. The Dm- 

 (Irdhimii was given to me l)}^ Mr. F. Sander, of St. Albans, Eng- 

 land, who received it from New Guinea, where it was collected 

 by Micholitz. The oidy information concerning the specimen 

 referred to tlie color of the Howers and to the probability of 

 there being a variety characterized by "purple" vi'ins on the 

 perianth. The two Epldeinh-inih^ were collected in ^h'xico l)y 

 Mr. C G. Pringle and are interesting additions to a complex 

 genus. To Mr. R. A. Rolfe, who kindly examined the speci- 

 mens and on tinding them worthy of specific rank described 

 them, I owe my lust thanks. 



Dendrobium Micholitzii liolfe. 



" Densely tufted ; pseudobulbs erect, slender at the base, somewhat 

 tliifkened upwards and quadrantrular, .3-4 inches long, dipliyllous at the 

 apex; leaves oblong or obvate-oblong, obtuse, coriaceous, I4-2] inches 

 long; flowers terminal, several, from the axils of a cluster of imbricating 

 oblong bracts, creamy yellow with a greenish orange blotch on the lip, 

 sometimes with purple veins on the flower ; pedicels slender, 8-10 lines 

 long ; dorsal sepal oblong lanceolate, acute, 2h lines long ; lateral pair ti"i- 

 angular, acute, prolonged behind into a stout obtuse somewhat curved 

 mentum 42-6 lines long ; petals linear, acute, 2^ lines long; lip 0-6 lines 

 long, the basal part oblong and somewhat curved, the apex dilated into an 

 obovate obtuse limb, bearing a small oblong crest in the centre; column 

 stout, scarcely over h line long. — German New Guinea, Micholitz. 



18-Proc. Biol. Soc. W.-\sh. Vol.. XVII, 1904. (119) 



