1690 Leaflets of Philippine Botany [Vol. V, Art. 91 



like point, the upper or larger one of the pair 1 cm. long 

 by 7 mm. in width, the smaller one about a fourth less in 

 length, minutely reticulate, the upper portion finely strigose; 

 flowers usually in pairs, enclosed by an equal pair of bracts, 

 not of the same age, erect, subsessile, green, the setaceous 

 pair of subtending bracts 2 mm. long, hyaline and finely 

 ciliate margined; calyx segments sharply acuminate, lanceo- 

 late, 3.5 mm. long, subhyaline, puberulent or ciliate along 

 the margins and toward the apex; corolla light pink or 

 withish at the tubular base, expanded toward the deeply 

 bilobed base, finely pubescent on the exterior except at the 

 base, 1.5 cm. long, at least 5 mm. wide above the middle, 

 the upper lip oblongish and obtuse at apex, the other 

 narrower and more elongated; stamens 2, fertile, equalling the 

 corolla lips; stamens inserted upon the corolla below the 

 middle, ribbon-like, glabrous, 6 ram. long; anther cell in- 

 trorse, 1 mm. long, compressed, one inserted almost upon 

 the other; style very slender, glabrous, equalling the stamens, 

 terminated by a 2-lobed divergent stigma, very brown, elong- 

 ated, upon a rim-like rather thick pedicel, mucronate at 

 apex. Capsule 7.5 mm. long, bluntly pointed at both ends, 

 angular, smooth, creased along the suture, loculicidally dehiscent, 

 2-celled, 2-seeded; seeds reddish brown, compressed, squarrish 

 except the stout bas<al point, prominently darker brown pitted, 

 1.5 mm. across in the axils of the raphides. 



Type specimen number 12585, A. D. E. Elmer, Puerto 

 Princesa (Mt. Pulgar), Palawan, February, 1911. 



This beautiful species the writer discovered in rich al- 

 luvial soil along the old Spanish road leading through dense 

 forests five miles north of the town. Named in honor of the 

 late C. B. Clarke who has done considerable work on our 

 Philippine Acanihficeae as well as on other groups. 



RUELLIA Plum. 

 Ruellia philippinensis Elm. n. sp. 



Erect biennial; stem solitary, crooked and nodulose, subher- 

 baceous, terete, the old basal portion glabrous and yellowish 

 gray, otherwise greenish and puberulent, 2 mm. thick, un- 



