60 



GRAMINE^E. 



spikelets -33 %$ in. plano-convex erecto-patent glabrous, gl. I. very short 

 truncate, II. = about half IV. suborbicular 3-nerved, tip rounded or truncate, 



Fig. 31, Panicum punctatum BCRM:.;~a, b, c, spikelets, seen from different sides; d, gl. 

 I.; e, gl. II.; f, gl. III.; g, gl. IV.; h, i, j, palea, seen from different sides; k, a caryopsis. 



III. ovate acute 3-5-nerved neuter, IV. ovate cuspiclately acuminate granu- 

 late." 



HAB. Anpin, Sept. 1913, leg. T. SOMA. 



Sect. II. Echinochloa. 



Panicum Crus-Galli LINN.; MATSUM. et HAYATA Eniira. PL Formos. 

 p. 501. 



Sect. III. Brachiaria. 



1. Spikelets 3mm. long, stem much taller 2 



Spikelets less than 2mm. long, smaller grasses 3 



2. Spikes 4cm. long, leaves much longer, stem taller .<, 



1. P. pseudodistacliyum. 



Spikes usually shorter, leaves smaller, stem lower than the preceding 

 species 2. P. distachyum. 



3. Spikelets villose 3. P. villosum. 



Spikelets glabrous 4. P. prostratum. 



1. Panicum pseudodistachyum HAYATA n. n. 



Panicum paspaloides HAYATA (non PERS.) Mater. Fl. Formos. p. 401. 



2. Panicum distachyum LINN.; MATSUM. et HAYATA Enum. PI. 

 Formos. p. 502. 



3. Panicum villosum LAM.; MATSUM. et HAYATA Enum. PI. Formos. 

 p. 506. 



4. Panicum prostratum LAM.; MATSUM. et HAYATA Enum. PI. Formos. 

 p. 505. 



