80 



2. 



3. 



4. 



Rhachis and pedicels of upper spikelets with translucent channel 3 



Rhachia and pedicels of upper spikelets opaque 5 



Spikes with many pairs of spikelets 4 



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



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. Icioasliotensis. 



Stalked spikelet bisexual, awned. 



G. 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 Ischaemum 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). Perenui.s. Caulis 1 a 



ascendens 20-30 cm. altus sursum erectus basi 



vaginis oblongis lanceolatis ohtusis instructus a 



basi sursum vaginis foliorum toto obtectus. 



Folia radicalia baud 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 mm. longis rectis patentibus ; foliis caulinis 



a e 



Fig. 47, Andropogon kwa- 

 shotensis HAY. a, sessile spi- 

 kelet ; b, glume I. of the same ; 

 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 same ; h, glume III. of the 

 same ; i, stamens. 



