AvausT 16, 1906] MANUAL OF THE PHILIPPINE COMPOSITAE 139 
involucre in two subequal rows, with scarious margins; recep- 
tacle flat or somewhat convex, without scales; outer flowers 
many, pistillate, with short corolla tube; disk flowers perfect, 
fertile, with a broad campanulate tube, 4-lobed; anthers short, 
obtuse at base; style arms short and truncate; achenes 3 to 
4-angled, without pappus. 
Species 4; one indigenous to Chili, the others belong to 
the old world. 
1. C.orbicularis Lour. Fl. Cochinch. 2; 493, 1790. Miq. 
Fl. Ind. Bat. 2; 89, 1856. Hook. Fl. Brit. Ind. 8; 317, 1881. 
Mart. in Nuov. Giorn. Bot. Ital. 15; 298, 1883. Vid. Phan. 
Cuming. Filip. 122, 1885: Rev. Pl. Vase. Filip. 163, 1886. 
C. minima (Linn.) Alex. in Lautr. u. Schum. Fl. Deutsch. 
Schutz. Suds. 601, 1901. King and Gamb. Mat. Fl. Malay. 
Penin. 16; 46, 1905. Cotula quinqueloba Bleo. Fl. Filip. ed. 
1; 626, 1837.  Myriogyne minuta Less. (Loher 3685.)— 
An herbaceous biennial, much branched and prostrate. 
Leaves small and numerous, glabrous or sparsely strigose, 
sessile, obovate, usually with a few teeth above the middle. 
Heads globose, sessile upon the stem and branches; bracts 
minute, persistent, with or without woolly hairs; corollas 
very minute, whitish; achenes elongated, usually somewhat 
incurved, finely strigose pubescent. 
i DISTRIBUTION: 
Tropical Africa and Asia, Australia, Cochinchina and 
the Malayan Islands. 
PHILIPPINES: 
1836-41 Cuming 528 and 1264. 
Lvzow: 
Manila, December 1903, Hallier. 
Bayombong, Province Nueva Viscaya, May 1902, Merrill 
308. 
Bacolor, Province of Pampanga, May 1904, Parker 24. 
47, SPHAEROMORPHAEA DC. 
A prostrate perennial herb, with toothed alternate leaves. 
Heads subglobose, heterogamous, subsessile or shortly pedun- 
