76 ON THE FLOKA OF BORNEO. 



Not previously reported from Borneo; India to China 

 and Eormosa and Malaya. 



Oplismenus, Beauvois. 



Oplismenus undulatifolius, (Ard.) Beany, var. imbecillis (E. 

 Br.) Hack, in Govt. Lab. Publ. (Philip.) 35 (1905) 82. 



British North Borneo, Mount Kinabalu, Lobang, 

 Clemens 10422, November 18, 1915. 



This variety is widely distributed, extending from the 

 Philippines and Malaya to Australia; new to Borneo. 



Panicum, Linnaeus. 



Panicum ridleyi, Hack, in Trans. Linn. Soc. Bot. 2 (1893) 401, 

 nomeii nudum. 



Panicum lati folium, Hook. f. Fl. Brit. Ind. 7 (1897) 39, non 

 Linn. 



Panicum orysoides, Eidl. Mat. Fl. Mai. Penin. (Monocot.) 3 

 (1907) 138, non Sw. 



British North Borneo, Mount Kalawat, Clemens 11159, 

 along trails in thickets, December 10, 1915. 



This species has been reported from Borneo by Eidley, 

 as Panicum latifolinm, Linn. The Linnean Panicum lati- 

 folium is typified by a species common in the eastern and 

 southern United States, and has nothing to do with the Indo- 

 Malayan form. It is neither Panicum oryzoides, Sw., nor P. 

 zizanioides, HBiK., the latter cited by Eidley as a synonym 

 under Panicum oryzoides, Sw. 



India to the Malay Peninsula and Borneo. 



Panicum cordatum, Biise in Miq. PI. Jungh. (1854) 376. 



British North Borneo, Mount Kinabalu at Kiau, 

 Clemens 10029, 1002S, November, 1915. 



Malay Archipelago and the Philippines, not previously 

 reported from Borneo. 



1 sac h ne, E. Brown. 



Isachne dementis, sp. nov. 



Culmis rigidis, usque ad 20 cm. altis, infra prostratis, 

 radicantibus ; foliis rigidis, lanceolatis, acuminatis, usque ad 

 3.5 cm. longis, basi plus minusve amplexicaulibus, subtus spar- 

 sissime pilosis vel glabris, margine prominente denticulatis 

 infra leviter ciliato-pilosis, vaginis quam internodiis longiori- 

 bus, leviter ciliato-pilosis; paniculis exsertis, 3 ad 4 cm. 

 longis, paucifloris, ramulis brevibus, patulis; spiculis circiter 

 3 mm. longis; glumis vacuis subaequalibus, oblongis, obtusis, 



Jour. Straits Branch. 



