Materials for a Flora of the Malayan Peninsula. 165 



inch wide, or loss glabrous. Spikes distant \ inch long, spathes mu- 

 cronate, pale green. Glnnie IV awned. 



Pahang : Ketapang and Mahang, Pahang Elver (Eidley 1234 and 

 1307), In masses on the river bank. Distrib. of variety Philip- 

 pines. 



The common Asiatic grass seems to be quite rare in the penin- 

 sula. This form, named by Hackel, is intermediate between the 

 varieties mutica and aristata. It is a very weak flaccid plant, with few 

 and scattered heads. 



31. Andropogon, L, 



Annual or perennial grasses. Leaves usually long and narrow. 

 Spikes solitary or in pairs or panicled or fascicled, with fragile 

 articulate rachis. Spikelets in pairs, one sessile bisexual one pedi- 

 celled male or barren. Sessile spikelet one flowered. Glumes 3 or 4. 

 Gl. I thinly coriaceous or papery, awnless, II thinner awnless (or 

 rarely with a short awn). III hyaline, or absent, IV hyaline, very 

 short or reduced to the base of the long awn, palea very small or 

 absent. Stamens 3 to 1. 



Species 200. Wi\ole world, very few in Malay Peninsula, 



Sessile spikelets all similar. 



Annual with very slender branched stems 1. A. hrevifoJitts. 

 Perennials spikes solitary on long peduncles 



of many spikelets . . . . . . 2. A. hirtiflorus. 



Spikes racemed or pcduncled . . . . 3. -4. intermedins. 



Spikes of 3 spikelets panicled, callus very 

 shortly bearded . . . . . . 4. 4. aciculatus. 



Callus long bearded . . . . . . 5. A. Wightianus. 



§ 2. Heterozygi. 



Lower sessile spikelets dissimilar from the upper 



ones and mostly sterile . . . . 6. A. contortus. 



1. A. BREViFOLius, Sw. Prod. Ind. Occ. 26. Fl. Ind. Occ, I. 

 209. Annual erect or creeping 6-24 inches tall slender leafy, branched 

 geniculate flaccid. Leaves linear oblong obtuse |-f inch long -J inch 

 wide glabrous sheaths somewhat dilated. Spikes very slender solitary 

 on a slender peduncle from a spathe-like leaf, 1 inch or more long 

 glabrous, joints and pedicels clavate mouths cupular toothed, sessile 

 spikelet as long \ long linear oblong. Glume I lanceolate apex bifid 

 or entire, II similar but thinner. Pedicelled spikelet represented by 

 a linear spathulate glume with a long awn. Kunth. Rev, Gram. 

 II. 563. t. 196. Enum. PI. I. 488. Hack. Monogr, Androp, 363. 

 Hook, fil. l,cy 16.5. A. dehilis, Kunth, I.e. A. fragilis, Br. Prodr. 202. 



