ROLFE—ORCHIDEAE. 21 
Dendrobium clavatum, Wall. Cat. n. 2004; Hook. f. Fi. 
Brit. Ind. v, p. 746; Rolfe in I.F-S. iii, p. ro. 
“Plant of 12-18 inches. Flowers deep orange, fleshy, non- 
fragrant. Crevices of perpendicular cliffs, Mekong. valley. Lat. 
28° N. Alt. 5000-6000 ft. Yunnan, June 1905.” G. Forrest. 
No. 1142. 
~ Bulbophyllum tibeticum, Rolfe. Sp. nov. Plate ix. 
Rhizoma repens, validum. Pseudobulbi anguste ovoideo- 
tetragoni, nitidi, 2.5-3 cm. longi, basi vaginis  ovatis 
striatis obtecti. Folia oblonga, obtusa, breviter petiolata, 
coriacea, 6-11 cm. longa, 1.5-2 cm. lata. Scapi suberccti, 
subgraciles, 9-12 cm. longi, vaginis 2 tubulosis apice acutis 
obtecti, 2-3-flori. Bracteae elliptico-oblongae, subobtusae, con- 
cavae, 8-10 mm. longae. Pedicelli circiter 2 cm. longi. Sepalum 
posticum elliptico-ovatum, obtusum, concavum, integrum, 8-9 
mm. longum ; sepala lateralia subpatentia, obliqua et subfalcata, 
ovato-oblonga, apice subattenuata, subconcava, 1.3-1.5 cm. 
longa. Petala ovata, apice obtusa vel rotundata, integra, 5 mm. 
longa. Labellum recurvum, ovatum, obtusum, subcarnosum, 
5 mm. longum, margine recurvo integro. Columna latissima, 
3 mm. longa ; dentes triangulares, subobtusi. 
=) rocks, valley of the Mekong, between Bati and 
Tzekou. Alt. 6000 ft. Tibet, 1904.” G. Forrest. No. 232. 
Allied to B. bicolor, Lindl., but differing in the longer and 
narrower leaves, and some details in floral structure. 
~~ Cirrhopetalum amplifolium, Rolfe. Sp. nov. Plate x. 
Rhizoma repens, validum. Pseudobulbi circiter g cm. 
distantes, ovoideo-oblongi, angulati, nitidi, 6-8 cm. longi, mono- 
phylli. Folia longe petiolata; limbus ellipticus vel elliptico- 
oblongus, subobtusus, 15-20 cm. longus, 7-8.5 cm. latus, coria- 
ceus; petiolus 4-6 cm. longus. Scapi suberecti, validi, 15-30 
cm. longi, vaginis 3-4 tubulosis obtecti. Flores umbellati, 4-8, 
speciosi. Bracteae lanceolatae vel oblongo-lanceolatae, acumin- 
atae, subconcavae, 8-13 mm. longae. Pedicelli 1.5-2 cm. 
longi. Sepalum posticum ovatum, minutissime crenulatum, 
concavum, circiter 1 cm. longum, apice longe setiferum; seta 
8 mm. longa, gracillima, flexuosa, apice longe clavata; sepala 
lateralia fere ad apicem connata, 4.5—-5.5 cm. longa, apice breviter 
bidentata. Petala triangulari-ovata, longe pectinata, 4 mm. 
longa, apice longe setifera ; seta 9 mm. longa, gracillima, flexuosa, 
apice longe clavata. Labellum recurvum, ovato-oblongum, 
obtusum, carnosum, circiter6mm.longum. Columna lata, 3 mm. 
longa; dentes falcato-incurvae, oblongae, apiculatae, 4 mm.longae. 
