THE FLORA OF MOUNT HALCON. 261 



PANICUM Linn. 



Panicum sarmentosum Roxl). Fl. Ind. 1 (1820) 308; Merr. in Pliilip. Journ. 

 Sci. 1 (190G) Suppl., :5{i(). 



In old clearings at 750 m. alt. (No. 55.)S). 

 Widely distributed in the Philippines. 

 India to southern China and jMaiaya. 



Panicum palmaefollum Koeniji- in Natnrforseli. 23 (17SS) 20S ; ]\Ierr. 1. c. 

 3()1. 



In an old clearing at 000 ni. alt. (No. 5585). 

 Widely distributed in the Philippines. 

 Tropical Africa to India, Japan and Malaya. 



ISACHNE Pv. Br. 



Isachne beneckei Hack, in Oesterr. Bot. Zeitschr. 51 (1901) 459; Merr. in 

 Philip. Journ. Sci. 1 (1900) .Su])pl., 3.')0. 



In an open heath at 2,400 ni. alt. (Nos. 0203, 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. (ilOT) ; also collected l)y Merrilt, No. 

 4405, at 1,500 m. alt. June, 1906. 

 Endemic to the Pliilippines. 



ICHNANTHUS Beauv. 



Ichnanthus pallens (Sw.) ]\Iunro in Bentli. Fl. Hongk. (1861) 414; ^lerr. 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 Brongii. in Duperry Voy. Coqu. Bot. (1829) 50. /. S; 

 Merr. in Pliilip. 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 Schreb. 



Bambusa sp. near B. pygmaea Miq. 



In sphagiuun 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. 



