GRAMINE.E. 61 



Sect. IV. HymenacJine. 

 Much taller plant with longer leaves and spikes ; glume IV. membrana- 



ceous 1 . P. amplexicaule. 



Much smaller grass, with smaller leaves and spikes ; glume IV. white 



crustaceous 2. P. indicum. 



1. Panicum amplexicaule RUDGE; MATSUM. et HAY ATA Enum. PI. 

 Formos. p. 500. = P. myunis H. B. et K. 



2. Panicum indicum LINN.; MATSUM. et HAY ATA Enum. PL Formos. 

 p. 503. 



Sect. V. Effusae. 



1. Pedicels long barbate 



Glume IV. coriaceous manifestly granulate... 1. P. barbipedum. 



Gl. IV. coriaceous smooth shining P. suishaense. 



Pedicels not barbate, at most thinly hirsute, glume IV. coriaceous or 

 membranaccous usually smooth 2. 



2. Glume I. very thin, membranaceous nearly enerved very short less than 



^ gl. III. in length, truncate or very obtuse 3. 



Glume I. not very thin distinctly nerved more than ^ gl. II. in length 

 acute or obtuse 5. 



3. Panicle very much spreading with numerous capillary branches, nearly 



30cm. long 3. P. decompositum. 



Panicle-branches less spreading 4. 



4. Spikelets acute, leaves larger, stern taller 4. P. proliferum. 



Spikelets obtuse, leaves smaller, stem shorter 5. P. repens. 



5. Spikelets less than 2mm. in length 6. 



Spikelets nearly 4mm. long 6. P. miiiaceum. 



6. Leaves cordate at the base 7. 



Leaves rounded at the base 8. 



7. Leaves linear-lanceolate 7. P. montanum. 



Leaves ovate-lanceolate 8. P. brevifolium. 



8. Pedicels of spikelets spreading nearly right angle 9. P. sarmentosum. 

 Spikelets adpressed to the branches of panicles 9. 



9. Panicles contracted... . 10. P. submontan^m. 



