24B 

 SPILANTHES IJiiii. 



Spilanthes ovata Mfirill sj). iiov. 



An erect or spreading slightly branclied. nearly glabrous herb with 

 opposite, short, broadly-ovate to triangular-ovate, irregularly and rather 

 coarsely crenate-dentate aeute leaves and solitary long peduncled radiate 

 heads about 1.5 cm. in diameter. Branches pui-])lisli. somewhat angled or 

 channeled, glabrous or sparingly pubescent. Leaves membranous or snb- 

 membranous, 2.5 cm. long or less, 1.2 to 1..S cm., wide, the base broad, 

 truncate or slightly cordate, 3-nerved, paler beneath, the margins thick- 

 ened, nsually somewhat ciliate, the nerves rather prominent beneath, often 

 with few scattered hairs, the reticulations distinct ; petioles 3 to 4 mm. 

 long. Peduncles about 7 cm. long. Heads yellow; involucral 'bracts 

 sub 2-seriate, oblong-lanceolate, acute or acuminate, about 5 mm. long, 

 the margins ciliate. Eay flowers about in. tlio tul)e ciliate, about 2 mm. 

 long, the ligule oblong-ovate, 10 mm. long. 4 mm. wide. 10-nerved, 

 truncate, ;5-toothed at the apex, the teeth short, rounded. Disk flowers 

 tubular, the corolla 5-toothed, the teeth about 0.8 mm. long, acute. 

 Anthers about 1 mm. long, the cells acute at the base. Style arms nearly 

 1 mm. long, truncate. Achenes 2 mm. long, flattened, 2-keeled, ciliate 

 on the keels ; pappus of 2 slender, scabrid, 1 mm. long bristles, the achenes 

 of the ray flowers triquetrous. Pales 1 to 5 mm. long, keeled, or the 

 inner ones flat or nearly so, 3-nerved, obtuse, irregularly minutely toothed 

 at the apex, the keel minutely scabrid. 



Luzon, District of Lepanto, Mount Data (4573 Merrill) November 4, 1905. 

 Rather conniion on dry grassy slopes in tliin pine forests at about 2,100 ni. 



A species apparently closely related to SpiUinlhes firandiflora Turcz.. dillVring 

 from that species in its much shorter, very din'creutly sliaped leaves. 



