Aveust 16, 1906] MANUAL OF THE PHILIPPINE COMPOSITAE 163 
Phan. Cuming. Filip. 122, 1885: Rev. Pl. Vasc. Filip. 163, 
1886. Forbes and Hemsl. in Journ. Linn. Soc. Bot. 23; 433, 
1888. Ceron Cat. Pl. Herb. 102, 1892.  Lautr. u. Schum. 
Fl. Deutsch. Schutz. Suds. 599, 1901. Hayata in Journ. Coll. 
Sci. Tokyo 18; Art. 8, 17, 1904. King and Gamb. Mat. FI. 
Malay. Penin. 16; 41, 1905. Minyranthes heterophylla | Turez. 
in Bull. Imp. Nat. Soc. Mose. 24; 180, 1851.—An erect much 
branched annual. Leaves short petioled, strigose pubescent 
on both sides, the Jower surface usually paler, triangularly 
ovate, coarsely toothed or subundulate. Heads solitary, upon 
subglandular pubescent slender peduncles, either axiliary or 
terminal; basal spathulate bracts densely covered with stip- 
itate glands, strigose pubescent; short inner bracts truncate, 
also glandular or only pulverulent; corolla white, subper- 
sistent; achenes 4-angled, rugose. 
DIsTRIBUTION: 
Generally dispersed over all tropical and subtropical 
regions. 
Luzon: 
Baguio, Province of Benguet, March, 1904, Elmer 5966. 
31. ENHYDRA LOUR. 
Glabrous or scaberulous marsh herbs, with opposite ses- 
sile leaves. Heads heterogamous, axillary, subsessile, usually 
in alternate axils; outer flowers pistillate and fertile, 3 to 4- 
toothed; ligule if present minute; disk flowers- perfect, the 
inner ones often sterile, with tubular limb 5-segmented; 
involucre of 4 bracts, in two opposite pairs, the outer pair 
at least foliaceous and larger; receptacle conic; scales enclos- 
ing the flowers, glandulary tipped; anthers entire at the 
base; style arms obtuse, hispid; achenes oblong, the outer 
dorso-ventrally the inner laterally compressed; pappus none. 
Species 6 to 9; all South American and West Indian 
except one. 
1. E. fluctuans Lour. Fl. Cochin. 511, 1790. DC. Prod. 
5; 637, 1836. F. Vil. Nov. App. 117, 1880. Hook. FI. Brit. 
Ind. 3; 804, 1881. Mart. in Nuov. Giorn. Bot. Ital. 15; 295, 
1883. —Quite glabrous or frequently glandular biennial herbs, 
