80 



2. Rhachis and pedicels of upper spikelets with translucent channel.... 3 

 Rhacliis and pedicels of upper spikelets opaque 5 



3. Spikes with many pairs of spikelets 4 



Spikes with 1-3(4) spikelets 2. A. micranthus . 



4. Spikes digitate or fascicled, lower ones longer than rachis of inflores- 



cence 3. A. Ischcemum. 



Spikes much shorter than rachis of inflorescence.... 4. A. intermedius. 



5. Stalked spikelet neuter, unawned. 



5. A. kivasliotensis. 



Stalked spikelet bisexual, awned. 



6. A. formosanus. 



1. Andropogon brevifolius SWAIITZ.; 

 MATSUM. et HAYATA I.e. p. 528. 



2. Andropogon micranthus KUNTH.; 

 MATSUM. et HAYATA I.e. p. 529. 



3. Andropogon IscliEemum LINN.; MA- 

 TSUM. et HAYATA I.e. p. 529. 



4. Andropogon intermedius R. BR 

 MATSUM. et HAYATA I.e. p. 528. 



5. Andropogon kwashotensis HAYATA 

 sp. nov. (Fig. 47). Perennis. Caulis 1 a 

 ascendens 20-30 cm. altus sursuni erectus basi 

 vaginis oblongis lanceolatis obtusis instructus a 

 basi sursum vaginis foliorum toto obtectus. 

 Folia radicalia hand visa caulina distiche 

 disposita, vaginis (plerumque) 2-3 cm. longis 1-1^ 

 mm. latis glabris latere uno fissis, ligulis ^ mm. 

 longis 2 mm. latis truncatis margine minute 

 ciliolatis, laminis linearibus 7-8 cm. longis 5 

 mm. latis apice acuminatis basi ad 2 mm. 

 contractis utraque pagine glabris margine 

 scabris basi prope ligulas longe barbatis, barbis 

 5 rum. longis rectis patentibus ; foliis caulinis 



Fig. 47, Andropogon kwa- 

 shotensis HAY. a, sessile spi- 

 kelet; b, glume I. of the s^ame; 

 c, glume II. of the same; d, 

 glume III. of the same; e, 

 pedicelled spikelet; f, glume I. 

 of the same ; g, glume II. of 

 the Mime; h, glume III. of the 

 same; i, stamens. 



