168 LEAFLETS oF PHILIPPINE BOTANY (Vor. I; Ans. X 
MASBATE: 
August 1903, Merrill 3048. 
35. SPILANTHES LINN. 
Annual herbs, with opposite leaves. Heads  heteroga- 
mous or homogamous, long peduncled, axillary or terminal; 
ligulate flowers white or yellow, fertile; disk flowers also 
fertile, tubular, 4 to 5-segmented; involucre ovoid; receptacle 
convex, elongated, scales enclosing the flowers; anther bases 
truncate; style arms of perfect flowers truncate; achenes 
triquetrous, its angles usually ciliate; pappus none, or of 
few minute bristles. 
Species 20 to 30; chiefly tropical American. 
Ligules of ray flowers conspicuous. 
Leaves lanceolate, obscurely toothed. 
1. S. grandiflora. 
Leaves triangularly ovate, coarsely dentate. 
2. S. ovata. 
Ligules minute or obsolete. 
3. S. acmella. 
1. S. grandiflora (Turcz.) Miq. Fl. Ind. Bat. 2; 1078, 
1856. Benth. Fl. Austr. 3; 541, 1866. F. Vil. Nov. App. 
118, 1880. Vid. Phan. Cuming. Filip. 122, 1885: Rev. PI. 
Vase. Filip. 163, 1886. Acmella grandiflora Turez. in Bull. Imp. 
Nat. Soc. Mose. 24; 185, 1851.—Decumbent, loosely branched and 
glabrous herbs, 3 to 5 dm. in length. Leaves petioled, lanceolate, 
obscurely toothed or subentire, acuminate, 1 to 3-nerved. 
Heads conical, solitary upon long grabrous peduncles, much 
exceeding the leaves; bracts persistent, lanceolate; ligules 
yellow, 3-toothed, exceeding the bracts; tubular corolla short, 
caducous, also yellow; scales scarious, keeled, obtuse, equalling 
the corolla; achenes much compressed, ciliate on the edges, 
subemarginate, bearing 2 scabrous bristles. 
DISTRIBUTION: 
Australia. 
PHILIPPINES: 
1836-41, Cuming 1154. 
