.TcLT 3, 1913] Palawan Acanthaceah ]701 



lations obsolete; longer petiole 3 cm., gratlnally extended 

 with the decurrent leaf base, glabrous, the upper ones or 

 those of the smaller leaves much shorter. Inflorescence erect, 

 green, chiefly solitary from the uppermost leaf axils, the 

 glabrous spikes strict, glabrous, varying in length from 3 to 

 8 cm., flower bearing from the middle and chiefly at the 

 top; flowers opposite, erect, the lower one scattering, rather 

 close at end of spike, upon 3 mm. long and glabrous 

 pedicels, subtended by a slightly longer puberulent or sub- 

 glabrous setaceous bract; clayx 4 mm. long, setaceously 

 lanceolate, puberulent or becoming glabrous, somewhat uni- 

 ted at the base, 3-veined; corolla 10 to 15 mm. long, 

 the basal glabrous portion tubular, otherwise inflated and 

 puberulent on the exterior, whitish; lobes unequal or ob- 

 scurely 2-lipped, about 5, broadly rounded, 1 to 2 mm. long; 

 stamens 2, fertile; filaments nearly 3 mm. long, straight, 

 attached to the corolla below the middle, included, glabrous; 

 anthers 2,5 ram. long, linear, muticous at apex, sagittate 

 at base and basifixed; ovary glnbrous, columnar, 2 mm. 

 long; style equalling the corolla, very slightly hairy toward 

 the base, stigraatic portion recurved. Capsule linear, with 4 

 rounded spikes, glabrous, at least 5 cm. long, 2-cel]ed, de- 

 hiscing from the apex into 2 loculicidal carpels, about 18- 

 seeded; seeds brown, lenticular, 1 mm. across, apparently 

 smoothish and glabrous. 



Type specimen number 13182, J. D. E. Elmer, Puerto 

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



Collected in red clay of a humid forested 8teep ravine 

 near a stream at 2500 feet altitude, usually around the 

 lower edge of uncovered bowlders upon rocky outcroppings. 



Qymnostachyum palawanensis Elm. n. sp. 



Low biennial herbs of diverse sizes; stems numerously 

 branched, short, green, subterete, taking root at the basal 

 joints, more or less angular, striate, puberulent when young, 

 from 3 to 8 cm. long or longer; branchlets suberect, angular 

 and fluted. Leaves thinly coriaceous, horizontally spreading 

 over the ground, entire, obtuse or rounded at the apex, 

 base obtuse or truncately rounded, deep velvety green 



