S3 



f 



Fig. 48, Sporobolus virginicus 

 KUNTH. a, spikelet ; h, gl. I.; c, 

 gl. II.; d, flowering glume ; e, a 

 palea ; f, stamens ; li, a pistil ; all 

 figures variously magnified. 



Awn much longer than the glumes...!. 2. P. monspeliensis. 



1. Polypogon Higegaweri STEUD.; MATSUM. et HAY ATA I.e. p. 535. 



2. Polypogon monspeliensis DESF.; 

 MATSUM. et HAY ATA I.e. p. 535. 



XLIX. Sporobolus B. BR. 

 Key to species. 



1. Glume I. II. III. and palea subequal. 



1. S. virginicus. 



Glume I. and II. are much shorter than 

 fl. glume and palea 2. S. indicus. 



3. S. diandrus. 



1. Sporobolus virginicus KUNTH. (Fig. 48); MATSUM. et HAY ATA I.e. 

 p. 534. 



2. Sporobolus indicus B. BR. (Fig. 

 49); MATSUM. et HAY ATA I.e. p. 534. 



3. Sporobolus diandrus BEAUV.; 

 MATSUM. et HAY ATA I.e. p. 533, very near 

 to the preceding species. 



L. Af/rostis LINN. 

 Key to species. 



1. Glume III. awned 2 



Glume III. usually awnless very 



rarely shortly awned 3 



2. Glume I. 5 mm. long. 



1. A. suizanensis. 



Glume I. 3 mm. long. 



2. A. transmorrisonensis. 



Glume I. 2mm. long 3. A. sozanensis. 



Leaves very narrow, nearly filiformed 4. A. morrisonensi. 



Leaves 2-3 mm. broad linear 5. A. perennans. 



1 . Agrostis suizanensis HAYATA sp. nov. (Fig. 50). Culmus erectus 

 oespitosus gracilis glaber sed plus minus scaber 50-60 cm. longus teres. 

 Folia basi caulis multo disposita inferiora breviora cum vaginis 8-20 cm. 



Fig. 49, Sporobolus indicus R. BR. 

 a, a spikelet ; b, gl. I.; c, gl. II.; d, 

 flowering glume ; e, a palea ; f, a pistil ; 

 g, portion of the style; h, a caryopsis; 

 i, section of the same ; all figures vari- 

 ously magnified. 



3. 



