ITS 



recurved, nearly or quite entire below, above with few small scattered 

 teeth which are not spine-like. Heads about 1.5 em. in diameter. 

 globose, the peduncles from the apices of the branches 1 to 1.5 cm. long. 

 Drupes many, Imt most of them aborted, narrowly ovoid, about S mm. 

 long, narrowed above into a rostrate apex ahout 2 mm. long. Stigmas I. 

 Mindanao. Lake Lanao, (amp Keithley (47."> Mrs. Clemens) April, 1900. 



PANDANUS Linn. 



Pandanus dementis Merrill sp. nov. S Sussea. (PI. I.) 



A tree ahotii 10 m. high, branched above, with ovoid. :! to 4.5 em. long 

 heads, arranged in terminal condensed spikes, ahout 8 heads in each spike, 

 each head Bubtended by a large broadly-ovate to oblong-ovate, acute or 

 very shortly abruptly acuminate bract, the drupes indefinite, Id to 

 12 mm. long. Ultimate branches ahout 1.5 em. in diameter. Leaves 

 (K) cm. long or more, 2 to 2.5 em. wide, the margins with small antrorse 

 spines throughout, the midrib above glabrous, beneath at the base with 

 a few retrorse spines and near the apex finely antrorsely denticulate, 

 the apex short acuminate. Heads red when mature, ovoid, obtuse, 

 obscurely obtusely 3-angled, ;> to 4.5 cm. long, 2.5 to :S em. in diameter, 

 the bracts gradually smaller upwards, 4 to (i em. lOng, 3 to 4 cm. wide, 

 acute or very shortly acuminate, serrulate on the keel and margins above. 

 Drupes very many in each head, 10 to 12 mm. long, '■> to 4 mm. thick 

 above, gradually narrowed below, somewhat- angular, the apical portion 

 convex, slightly ribbed. Stigma terminal, central, 1 to 1.5 mm. in 

 diameter. 



Mindanao. Lake Lanao, Camp Keithley (Mrs. Clemens) March, 1806. Altitude 

 about 800 ra. 



GRAMINEJ3. 



ANTHOXANTHUM Linn. 



Anthoxanthum luzoniense Merrill sp. nov. 



Erect, glabrous, 40 to 60 cm. high, very fragani in drying. Culms 

 glabrous; nodes slightly pubescent with short appressed hairs; sheaths 

 usually exceeding the internodes, often loose, the margins above Blightly 

 puhescent : ligule hroad, ovate, obtuse, irregularly cleft or lacerate, hya- 

 line, ahout 1 mm. long; blades 11 to IS em. long, I to 5 mm. wide. 

 glabrous, smooth. Ilat or revolute when dry. Panicles exserted, rather 

 dense, manv flowered, t'» to 8 cm. long, 1 to 1.5 cm. in diameter, the 

 lower branches ahout :5 cm. long, appressed-aseending, densely flowered. 

 First glume hyaline except the median portion, ovate, acuminate. :> to 

 I mm. long, 1-nerved ; second glume 5 to (i mm. long, 3-nerved, glabrous. 

 oblong ovate, abruptly subtruncate-acuminate. Flowering glumes 3, the 

 lirst and second neuter, slightly pubescent, the lirst ahout 5 mm. long. 

 3-nerved, cleft at the apex for ahout \ its length, awned in the cleft, the 

 awn scabrous, straight, ahout 1.2 mm. long; second flowering glume 



