AvausT 16, 1906] MANUAL OF THE PHILIPPINE COMPOSITAE 157 
1. E. petiolata Benth. in Fl. Hartweg. 209, n. 1116, 
1839-57. E. valerianaefolia Miq. Fl. Ind. Bat. 2; 97, 1856. 
—Stems erect, glabrous. Upper leaves petioled, pinnately part- 
ed, oblanceolate in outline, the segments sharply toothed, 
glabrous or subscabrous on both surfaces. Heads in compact 
spicate corymbs, upon slender bracteate peduncles; main 
series of bracts subtended by linear basal ones; flowers ex- 
ceeding the involucre; achenes subterete, cylindric, sparsely 
strigose, 10-ribed; pappus very dense, equalling the corollas, 
deciduous, whitish below the middle, the exposed portion 
pinkish red. 
MINDANAO: 
Mount Apo, Province of Davao, May 1903, DeVore and 
Hoover 286. 
V. HELIANTHEAE. 
Heads usually radiate. Receptacle paleaceous. Anther 
cells not produced into tails. Style arms truncate or ap- 
pendiculate, or style of sterile flowers entire. Achenes 8 to 
4-angled or terete or compressed. Pappus of 2 to 4 bristles 
or paleaceous or none. 
Heads many flowered; perfect flowers sterile with un- 
divided styles; receptacle paleaceous all over. 
Ligules of the ray flowers persistent and falling with 
the achenes. 
27. ZINNIA. 
Ligules of the ray flowers none or deciduous. 
Achenes short and thick; pappus none. 
28. MELAMPODIUM. 
Achenes dorsally compressed; pappus paleaceous. 
29. CHRYSOGONUM. 
Heads heterogamous or homogamous; perfect flowers all 
fertile; achenes of the disk angled, subterete or later- 
ally compressed, crowned with 2 to 3 bristles or scales 
or naked. 
Inner involueral bracts embracing the achenes. 
Outer involucral bracts 5, glandular. 
