ROXBURGH'S HORTUS BENGALENSIS. 
417 
the issues raised being of considerable importance. In several 
cases, new specific combinations seem to be necessary, but as 
it is not possible here to form definite conclusions on the actual 
merits of the problems, except in the case of a few species, 
none are herein proposed. 
Gratiola integrifolia was placed by Hooker under Vandellia 
erecta Benth., but he appears to have been in doubt as to the 
identity of Roxburgh’s species. Rheede’s figure and description 
both show 2-stamened flowers, whereas in Vandellia, the number 
of stamens is always 4. 
Andropogon bicolor, Andropogon sacckaratus, and Anthistiria 
cymbaria are treated by Hackel “ as different from Holcus 
bicolor Linn., Holcus sacckaratus Linn., and Andropogon cym- 
barius Linn., respectively, but they must be typified by those 
species. 
Panicum spicatum Roxb. is given by Hooker as a synonym 
of Pennisetum typhoideum Rich., but the oldest name cited by 
him is Panicum americanum Linn., still valid for transfer to 
Pennisetum. 
Ixora fulgens, I. stricta, and I. borrbata are all maintained by 
Hooker,^® but as the plates on which they are based are not 
cited by him, no opinion can be formed as to whether they rep- 
resent the original types. 
Oldenlandia alata Koenig is also retained by Hooker as a 
good species, but O. alata Roxb. is based on Hedyotis 7'acemosa 
Willd., which is Lamarck’s species of that name, and this is said 
by Hooker generally to be cited under 0. paniculata Linn., but 
probably to belong to a different section of the genus. 
Oldenlandia crystallina Roxb. is also maintained by Hooker,^* 
with Hedyotis pumila Linn. f. as a synonym, and H. pumila Willd. 
must be held typified by the Linnaean species. There is no 
apparent reason for calling the species other than Oldenlandia 
pumila (Linn, f.) DC. 
Oldenlandia herbacea Roxb. is based on Hedyotis he^'bacea 
Willd., which is typified by H. hei'bacea Linn., although the two 
are treated as doubtfully identical.^® If, then, Hedyotis hei'bacea 
“FI. Brit. Ind. 4 (1884) 281. 
“DC. Monog. Phan. 6 (1889) 519, 510, 629, 668. 
“FI. Brit. Ind. 7 (1896) 82. 
“FI. Brit. Ind. 3 (1880) 145-148. 
” FI. Brit. Ind. 3 (1880) 70. 
”F1. Brit. Ind. 3 (1880) 65. 
“ FI. Brit. Ind. 3 (1880) 65. 
