Materials for a Flora of the Malayan Peninsula. 87 



6. FlMBRISTYLIS, Valil. 



Herbs not or rarely shorter rliizomatoiis. Leaves at base only. 

 Stems siibterete. Inflorescence of one or more terminal umbelled or 

 corymbose spikelcts. Spikelets solitary or clustered many flowered. 

 Glumes imbricate all round or the basal ones only distichous, (section 

 Ahilgaardin), lowest one or two empty, upper ones bisexual, terminal 

 ones empty. Stamens three, or fewer, anthers not crested. Bristles 

 absent. Style long terete or flattened stigmas 2 or 3, base dilated and 

 constricted below the dilatation, quite deciduous. Nut obovoid trigo- 

 nous usually stalked shortly apex with no knob. 



Species 125, all tropical and subtropical regions. Lower glumes 

 of spikelets not distichous. 



§ 1. Eleociiaroides. Stems bearing 

 one spikelet only (or occasionally 2 or 3). 



Style bifid, nut biconvex, or plano-convex. 



Nut cylindric oblong, reticulate . . , . 1. F. frtrngona. 



Nut obovoid transversely wrinkled. 

 Spikes erect narrow. 



Stems slender 6-12 inches. Nut with 5 

 ridges . . . . . . . . . . 2. F. aruminata. 



Stems very slender 2-6 inches. Nut 

 with 7 ridges . . . . . . 3. 7^ setacea. 



Spikelet oblong at an angle with the stem 4. F. mifaijs. 

 Nut obovoid smooth. 

 Spikelets oblong obtuse (1 to 3) .. .. o. F. polijtrichoidcs. 



Spikelets (1-2) ovoid ^ inch long . . Q. F. sclioenoiclcs. 

 Style trifid. 



Nut tuliercled very small . . . . . . 7. F. pauri/lora. 



§ 2. DiCHELOSTYLis. Spikclcts many, 

 umbelled or congested. Lowest glumes spi- 

 rally aranged. Style bifid flattened and often 

 villous. Nut biconvex. 



Spikelets solitary. 



Nut obovoid longitudinal striate with trans- 

 verse bars . . . . . . . . 8. 7^. diphylla. 



Nut ovoid smooth reticulate. 



Dwarf annual. Glumes mucronate squar- 



rose . , . . . . . . . . 9. F. acfitivalis. 



Tall plant usually leafless . , . . W. F. fcrruginca. 



Tall, leaves tufted stiff. Spikelets ^ inch 



long , . . . . . . . , . 11. F. lovgispica. 



