(496 ) 
Calathea pilosa sp. nov. 
Stem stout, angled and, like the petioles, coarsely pilose, the 
hairs erect-spreading; petiole nearly a meter long, stout; blades 
of the longer leaves 5 dm . long, 15 cm. broad, oblong, the summit 
very abruptly contracted into a short, broad acumination, very 
and rigid; bractlets very unequal, broad, pilose at the base, the 
summit fimbriate, the outer mucronate; flower 10 mm. long; 
sepals longer than the petals, strongly pilose externally; filaments 
broadly pe sani the anther broad; style thick, involute, the stigma 
cucullate, 2- ed. 
“6 ft. high: San Buena Ventura, 1500 ft., Nov. 27, 1901” (Wo. 
354). 
Calathea nigricans sp. 
ubescent, excepting ae pape aaa stem erect, 5-7 
high, bearing two leaves in the specimen seen; petioles ae. cm 
i r 10 mm. of the 
nely nerved; blades 15-30 cm. long, 6-10 cm. broad, in- 
Rete oval, abruptly short-acuminate, abruptly contracted 
at the base; peduncle solitary, 25-30 cm. long, almost filiform, 
thickened upward; head solitary, 2-3 cm. long, broader than long, 
the bracts 2, thick, much broader than long, obtuse eee coarsely 
nerved, drying blackish; inner scales about 15 mm. ong, lanceo- 
-OVa 
two-thirds as broad, oval, light brown, the back bearing « coarse 
intersecting fissures, the face a broad central ridge from which 
about five light lines run obliquely upward to the margin. 
“Flowers yellow. Between Ixiamas and Tumupasa, 1500 ft., 
Dec. 29, 1901 (No. 295). 
Species near C. Pavoni, but well distinguished by its indu- 
mentum. 
BuRMANNIACEAE 
Gymnosiphon orobanchoides sp. nov. 
Rhizome very slender, clothed with subulate, attenuate bracts 
about 1 mm. long, and very fine, sparingly branched, elongated 
roots; stems 15-30 cm. long, erect, very slender, obscurely nerved, 
but narrow and very thin; pedicels 3 mm. long, scarcely oe 
