THE FLORA OF MOUNT HALCON. 
261 
PANICUM Linn. 
Panicum sarmentosum Roxb. FI. Ind. 1 ( 1820) 308; Merr. in Philip. Journ. 
Sci. 1 ( 1906) ( Suppl., 360. 
In old clearings at 750 m. alt. (No. 5558). 
Widely distributed in the Philippines. 
India to southern China and Malaya. 
Panicum palmaefolium Koenig in Naturforsch. 23 (1788) 208; Merr. 1. c. 
361. 
In an old clearing at 900 m. alt. (No. 5585) . 
Widely distributed in the Philippines. 
Tropical Africa to India, Japan and Malaya. 
ISACHNE R. Br. 
Isachne beneckei Hack, in Oesterr. Bot. Zeitsehr. 51 (1901) 459; Merr. in 
Philip. Journ. Sci. 1 (1906) Suppl., 350. 
In an open heath at 2,400 m. alt. (Nos. 6203, 6221) . 
In the Philippines previously known only from Luzon. 
Java. 
Isachne myosotis Nees in Hook. Kew Journ. 2 (1850) 98; Merr. 1. c. 349. 
In an open heath at 2,400 m. alt. (No. 6167) ; also collected by Merritt, No. 
4405, at 1,500 m. alt. June, 1906. 
Endemic to the Philippines. 
ICHNANTHUS Beauv. 
Ichnanthus pallens (S'w.) Munro in Benth. FI. Hongk. (1861) 414; Merr. in 
Philip. Journ. Sci. 1 (1906) Suppl. 263. 
In an old clearing and in forests at 900 m. alt. (No. 5538) ; on semishaded 
cliffs overhanging the Alag River at 380 m. alt. (No. 5498). 
Previously known in the Philippines only from Luzon. 
Tropics of both hemispheres. 
LOPHATHERUM Brongn. 
Lophatherum gracile Brongn. in Duperry Yoy. Coqu. Bot. (1829) 50. t. 8; 
Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 368. 
In an old clearing at 700 m. alt. (No. 5543). 
Previously known in the Philippines only from Luzon. 
British India to southern China and Japan and Malaya. 
BAMBUSA Sehreb. 
Bambusa sp. near B. pygmaea Miq. 
In sphagnum in dense thickets at 2,600 m. alt. (No. 6222). 
A remarkably small species, full-grown plants never exceeding 1.5 m. in height, 
and frequently less than 1 m. tall. I have the same form from similar habitat 
in northern Luzon (Pauai, Merrill (No. 4733), November, 1905). Unfortunately 
both numbers are without flowers or fruits. 
