318 SPECIES BLANCOANAE 
HOYA R. Brown 
Stapelia meliflua Blanco Fl. Filip. (1837) 202 (sp. nov.) ; ed. 2 (1845) 142; 
ed. 38, 1 (1877) 256=HOYA MELIFLUA (Blanco) comb. nov. (Hoya 
luzonica Schltr.). 
Hoya carnosa Blanco FI. Filip. ed. 2 (1845) 142; ed. 3, 1 (1877) 257, non 
R, Br.=? HOYA MELIFLUA (Blanco) Merr. 
Among the numerous Philippine species of Hoya, Blanco’s 
description applies best to H. luzonica Schltr., which is, more- 
over, the only species of the genus still to be found in the vicinity 
of Manila, and is. generally distributed in the regions from 
which Blanco secured most of his botanical material. I have 
no hesitation whatever in adopting Blanco’s specific name for 
this species. Fernandez-Villar reduced it to Hoya diversifolia 
Blume, a species not definitely known from the Philippines. As 
to Hoya carnosa Blanco, the reduction is doubtful, yet from the 
description I cannot distinguish it from Stapelia meliflua Blanco. 
He states that it was an exotic cultivated plant; the only species 
of Hoya found in cultivation in Manila to-day is H. luzonica 
Schltr.=H. meliflua (Blanco) Merr. Fernandez-Villar con- 
sidered that Blanco correctly interpreted Hoya carnosa R. Br., 
and while this may be the case, it seems to be improbable in 
view of the fact that Hoya carnosa R. Br. is not to-day found 
in the Philippines. 
MARSDENIA R. Brown 
Marsdenia akkar Blanco Fl. Filip. (1837) 118 (sp. nov.); ed. 2 (1845) 85; 
ed. 3, 1 (1877) 155=MARSDENIA TINCTORIA (Roxb.) R. Br. 
Marsdenia tagudinia Blanco Fl. Filip. (1837) 121 (sp. nov.); ed. 2 (1845) 
86; ed. 3, 1 (1877) 157=MARSDENIA TINCTORIA (Roxb.) R. Br. 
Marsdenia akkar Blanco seems to be identical with Marsde- 
nia tinctoria R. Br., where it was reduced by Fernandez-Villar. 
The species is widely distributed in the Philippines at low and 
medium altitudes, in thickets and in forests, but is of local 
occurrence and is not abundant. Marsdenia tagudinia Blanco — 
was considered by Fernandez-Villar to represent a valid species 
of Marsdenia, but I can see no reason for considering it other = 
than Marsdenta tinctoria. Blanco’s material was from Tagudin, 
Mountain Province, Luzon, where the plant was known as tayom- 
tayom, and where it was used for dyeing cotton and other 
fabrics blue. 
Illustrative specimen from Mount Maquiling, Laguna Prov- 
ince, Luzon, August 23, 1916, comm. C. Mabesa (Merrill: Spe- 
cites Blancoanae No. 977). 
