53 



celes usually 3. Stamens 3, 6, or oo. Styles 2-3. 

 Subtribe I. Arundinariece. Palea 2-keeled ; stamens usually 

 3 ; pericarp thin, adnate to the seed. 



Spikelets 1-many-fld.; racemed or panicled ; empty 



gls. 1-2. 75. Arundinaria. 



Spikelets 1-4-fld., spicate ; spathes bracteate ; 



empty gls. 2-3. 76. Phyllostacliys. 



Subtribe II. Eubambusece. Palea usually 2-keeled ; stamens 



6 ; pericarp thin, adnate to the seed. 



77. Banibusa. 



Subribe III. Dendrocalamece. Palea 2-keeled ; stamens 6 ; 

 pericarp fleshy or crustaceous ; seed free. 



78. 'Dendrocalamus. 



Subtnbe IV. Melocannece. Spikelets 1-fld. Palea or 

 glume-like. Stamens 6- oo. Pericarp crustaceous or 

 fleshy, seed free. 79. Schizostacliyum. 



I. JPaspalum LINN. 

 Conspectus of the species. 

 Spikelets rounded obtuse nearly orbicular. 



First and second glumes membranaceous 1. P. scrobiculatum. 



First glume membranaceous, but second glume coriaceous 



2. P. akoensis. 



Spikelets oblong acute at the apex. 



First and second glumes 5-nerved 3. P. distidmm. 



First glume 4-nerved, second glume 5-nerved 



4. P. distcJmm var. anpinense. 



1- Faspalum scrobiculatum LINN., MATSUM. et HAYATA Enum. PI. 

 Formos. p. 497. 



2. Paspalum akoensis HAYATA sp. nov. (Fig. 20). Caulis 80 cm. 

 longus erectns glaber. Folia radicalia minora cum vaginis 9 cm. longa, 

 caulina longiora cum vaginis 30 cm. longa, vaginis 10 cm. longis glabris, 

 ligulis 1 mm. longis membranaceis truncatis glabris 3^ mm. latis, laminis 

 linearibus 20 cm. longis 5-6 cm. latis apice acuminatis basi ad 3 mm. con- 



