ORCHIDACE.E 



lum formante inter omnes eximia." The circle formed by the 

 mentum must have suggested the specific name ceraula, which 

 means a trumpeter or hornblower. Sepals and petals white, 2.3- 

 2.5 cm. long, 6-7.5 mm. wide. 



17. Dendrobium cerinum Reichb. f. in Gard. Chron. (1879) 

 2 : 554. The original account of the species gives the habitat as 

 the Malay Archipelago, which is, of course, indefinite. Ridley 

 (Journ. Linn. Soc. 32 : 263) under D. sanguinolentum Lindl. as- 

 cribes D. cerinum to the Sulu Archipelago, where it was collected 

 by Burbidge. Ridley regards this species as a variety of D. san- 

 guinolentum, at least he says that it is hardly distinct from 

 D. sanguinolentum var. cerinum. I have not seen any material 

 from the Philippines comparable with this species. 



18. Dendrobium chameleon Ames Orchidace^e 2 : 174. 

 Luzon. 



19. Dendrobium chrysographatum sp. nov. Aff. D. angustifolio 

 Lindl. Caules ramosi, penduli, 1.5-3 dm. longi, lutei, nitidi, 2 mm. 

 in crassitudine, teretes. Pseudobulbi monophylli, in sicco valde 

 rugosi, lutei, nitidi, 2.5-3 cm. longi, cylindracei, ad basim apicem- 

 que leviter fastigati. Folium lanceolatum, obtusum vel subacu- 

 tum, usque ad 7.5 cm. longum, circiter 1 cm. latum, subcoria- 

 ceum, ad basim apicemque fastigatum. Racemi brevissimi, brac- 

 teae paucse, scariosas in basi. Flores singuli, succedanei, flavidi, 

 14-15 mm. longi. Sepala lateralia oblique triangula obtusa, men- 

 tum magnum, 9 mm. longum formantia, cum mento 11 mm. 

 longa,6-7 mm. lata. Sepalum dorsale vix 5 mm. longum, ovatum. 

 Petala circiter 4 mm. longa, oblonga, ad apicem rotundata. La- 

 bellum vix 12 mm. longum, ad apicem 6 mm. latum, ad basim 

 circiter 1 mm. latum, trilobatum, lobi laterales rotundati ad 

 apicem, latiores quam longiores, circiter 2 mm. lati, 1 mm. longi, 



[119] 



