GRAMINEA'. 93 



LXIX. Centotheca DESV. 



Key to species. 



Flowering glumes with reflexed submarginal bristles ... 1. C. lappacea. 

 Flowering glumes with no "bristle 2. C. lappacea var. inermis. 



1. Centotheca lappacea DESV.; MATSUM. et HAYATA I.e. p. 546. 



2. Centotheca lappacea DESV. var. inermis KENDL; MATSUM. et 

 HAYATA I.e. p. 546. 



LXX. JPoa LINN. 



Poa annua LINN.; MATSUM. et HAYATA I.e. p. 547. 

 Poa palustris LINN. I.e. p. 547. 

 Poa spp. 



LXXI. Festuca LINN. 



Festuca ovina LINN. var. vulgaris KOCH.; HAYATA Fl. Mont. Formos. 

 p. 240. 



LXXII. Brachypodiwin BEAUV. 

 Key to species. 



Spikelets mostly quasitermirial solitary 1. B. Kaivakamii. 



Spikelets spicate 2. B. formosanum. 



1. Brachypodium Kawakamii HAYATA Fl. Mont. Formos. p. 237, t. 

 40. 



2. Brachypodium formosanum HAYATA sp. nov. (Fig. 57) Perennis. 

 Culinus gracillimus 50-80 cm. altus erectus plus minus curvatus basi plus 

 minus repens, internodiis 4cm. longis, glaber Isevis. Folia versus basin 

 caulis disposita linearia 15 cm. longa 7 mm. lata apice acuminata utraque 

 glabra leevia, nervis primariis utroque latere costaa 4, venulis secundariis 

 inter nervos primarios 5, haud tessellata, vaginis 5-6 cm. longis culmum 

 amplectantibus tubuliformibus, ligulis membranaceis hirsutis 2 mm. longis 

 3| mm. latis. Spiculaa versus apicem caulis spicatim alternatim remoteque 

 dispositas sessiles, rhachis semi-teres ad nodos tenniter hirsuta; spicu^B lineari- 

 lanceolataj 2-2^ cm. longfe 3-4 mm. latas 5-7-florata3 latere complanataa. Gl. 

 I. minuta triangulari-lanceolata 2 mm. longa acuta vel obtusa 3-nervata, 

 nervis dorsO elevatis, vacua ; gl. II. vacua triangulari-lanceolata 5 mm. longa 

 apice acuminata 5-7-nervata glabra. Glumse florentes 5-7, inferior lanceolata 



