GRAMINE-aE. 79 



tusa basi plus minus contracta utraque pagine glabra margine medio deorsum 

 lasvis sed sursum prope apicem aristatoscabra, ligula brevissima -^ mm. 

 longa hirsuta, vagina 3 cm. longa prope apicem longe barbata, barbis 2 mm. 

 longis. Spica solitaria terminalis 5 cm. longa 1^ mm. lata. Casterum ut 

 typica. 



HAB. Tainan, leg. T. SOMA, Aug. 1914. 



Differs from the type in having much longer spikes and longer leaves. 



XXXV. JPogonatherum BEAUV. 



Pogonatherum saccharoideum BEAUV. var. monandrum HACK. 

 MATSUM. et HAYATA I.e. p. 522. 



XXXVI. Arthraxonl'BEAvv. 



Aithraxon ciliaris BEAUV. var. Langsiorfii HACK.; MATSUM. et HA- 

 YATA I.e. p. 523. 



XXXVII. Apluda LINN. 



Apluda mutica LINN.; MATSUM. et HAYATA I.e. p. 532. 

 XXXVIII. Rottboellia LINN. 



Key to species. 

 1. Spike larger erect 9cm. long 4'mm. broad. 



1. R, exaltata var. appendiculata. 



Spike slender more or less recurved 5-6 cm. long 2 mm. broad. 



2. R. compressa. 



1. Rottboellia exaltata LINN. var. appendiculata HACK.; MATSUM. 

 et HAYATA I.e. p. 524. 



2. Rottboellia compressa LINN. var. genuina7;HACK.; MATSUM. et 

 HAYATA I.e. p. 523. 



XXXIX. Manisuris LINN. 

 Manisuris granularis LINN.; MATSUM. et HAYATA I.e. p. 524. 



XL. OpMurus K. BR. 



Ophiurus monostachyus PRESL.; MATSUM. et HAYATA I.e. p. 524. 

 XLI. Andropogon LINN. 



Key to species. 



1. Pedicels of spikes enclosed in spathiform leaf-sheaths. 1. A. brevifolius. 

 Pedicels of spikes not enclosed in spathiform leaf-sheaths 2 



