Aveust 16, 1906] MANUAL OF THE PHILIPPINE COMPOSITAE 165 
DISTRIBUTION: 
In all tropical and subtropical countries. 
Luzon: 
Bacolor, Province of Pampanga, May 1904, Parker 11. 
Manila, October to November 1903, Merrill 3484. 
Manila, January 1904, Elmer, 5521. 
Atimonan, Province of Tayabas, August to September 
1904, Whitford 735. 
Gumiaca, Province of Tayabas, September 1904, Whitford 
901. 
Manila, May 1902, Merrill 44. 
MINDORO: 
Calapan, 1903, (collector unknown). 
MINDANAO: 
Davao, April 1903, DeVore and Hoover 196. 
San Ramon, Province of Zamboanga, February 1904, 
Hallier. 
33. BLAINVILLEA CASS, 
Scabrous or pubescent herbs. Leaves petioled, toothed, 
the lower ones opposite, the uppermost alternate. Heads 
heterogamous, terminal or axillary, subsessile, rather small; 
marginal flowers pistillate and fertile; ligule if present yel- 
low, small, 2 to 3-toothed; disk flower perfect, tubular limb 
5-toothed; involucre subglobose; its bracts few, the otuer herb- 
aceous, the inner rigid and membranous; receptacle small, 
convex; scales enfolding the flowers; anthers entire and 
obtuse at the base; style divisions narrow, flattened, acute; 
achenes truncate, the outer triquetrous, the inner 3 to 4- 
angled; pappus of 3 to 5 unequal bristles, connate at the 
base. 
Species 9; all tropical and of both hemispheres. 
1. B. rhomboidea Cass. Dict. Sci. Nat. 29; 493, 1826. 
DC. Prod. 5; 492, 1836. B. latifolia DC. in Wight Contrib. 
17, 1834. Walp. in Nov. Act. Nat. Cur. 19, Suppl. 1; 266,1893. 
