JANUARY 11, 1911] New AND NOTEWORTHY RUBIACEAE 981 
Only known from central Mindanao and the Batanes 
islands. 
Possibly this species as well as the preceding should 
be referred to the genus Hedyotis. 
SPERMACOCE Dill. 
Spermacoce philippensis Willd. Syst. I; 401, 1817. 
Metabolus laevigatus DC. Prod. IV; 486, 1830. Sclerococcug 
laevigatus Bartl. 1. c. 
In these islands it is chiefly known on Mindoro and in mid- 
dle Luzon. 
This is apparently an ally of the Hedyotis congesta R. 
Br. group. ; 
Spermacoce meyeniana Walp. in Nov. Act. Nat. Cur, 
Suppl. XIX; 353, 1843. 
The type is from Jolo, and in Luzon it is known from 
the provinces adjoining Manila. 
It is somewhat similar to Hedyotis leucocarpa Elm., and 
is also related to Hedyotis congesta R. Br. 
GREENEA Wht. et Arn 
Greenea longiflora Merr. in Philip. Journ. Sci. IV; 323, 
1909. 
The type is a single specimen, Forestry Bureau number 
9130, collected by Messrs. Whitford and Hutchinson at Zam- 
boanga, Mindanao, February, 1908. 
GREENIOPSIS Merr. 
Greeniopsis philippinensis Merr. in Philip. Journ. Sci. 
IV; 824, 1909. Í 
The type specimen, number 5216, was collected by Mr. 
E. D. Merrill at Borongan, island of Samar, October, 1906. 
Greeniopsis multiflora (Elm.) Merr. in Philip. Journ. Sci. 
