GRAMINK.K. 



89 



Calamagrostis arundinacea HAYATA Fl. Mont. Forraos. p. 237 (uon BOTH.). 

 HAB. Hakkutaisan, leg. U. Mom, Sept. 1910, (typus); Arisan, ad 2500 m. 

 alt., leg. U. FAURIE; Mt. Morrison, leg. U. Mom. 



Near C. arundinacea, BOTH.; but differs from it in the hairs on the callus 



of the glume III. which hairs are in this new species longer than or equal to 



the glume itself; but in C. arundinacea they are much shorter than the gl. III. 



3. Calamagrostis morrisonensis HAYATA sp. nov. (Fig. 56). Culmus 



50-60 cm. altus glaber teres gracilis erectus. Folia ad partem inferiorem 



caulis disposita radicalia non visa ; caulina : 

 lamina linearis 15-20 cm. longa 3-4 mm. 

 lata acuminata basi auriculata subtus glabra 

 supra minute hirsuta, ligula membranacea ^ 

 mm. longa 2 mm. lata margine integra, vagina 

 2-3 cm. longa. Panicula terminalis gracilis 

 8-10 cm. louga 3-4 cm. lata, ramis primariis 

 2-3-fusciculatis, fasciculis alternis a se 1-2 

 cm. remotis, ramis et raniulis crispatis plus 

 minus scabris. Gluma I. lanceolata 4mm. 

 longa 1 mm. lata apice acuminata dorso 

 sursum 1-carinata ad carinas scabra. Gluma 

 II. conformis 3-nervia subglabra. Ehachilla 

 supra glumas I. et II. longe hirsuta, pilis 2-3 

 mm. longis. Gluma florens oblongo-lanceolata apice truncata ad summum 

 denticulata basi plus minus contracta subglabra prope basin arista 4mm. longa 

 instruct-*, aristis scabris. Palea oblongolanceolata 2imm. longa apice obtusa. 

 C. arundinacea KOTH. var nipponica HAYATA (non HACK.) Fl. Mont. 

 Formos. p. 237. 



C. formosana HAYATA var. pauciflora HAYATA Gen. Ind. FL Formos. p. 95. 

 HAB. in monte Morrison, ad 13000 peel, alt., typus ! 

 Near Calamagrostis formosana HAYATA, but differs from it in the much 

 smaller form with much looser panicles and curled branches, and in the 

 leaves with auricled base, much shorter ligules and the hairy upper 

 surface. 



Fig. 56, Calamagrostis 

 risonensis HAYATA; a, a spikelet ; b, 

 gl. I.; c, gl. II.; d, a flowering 

 glume with its pa lea ; e, a palea ; 

 f, a stamen. 



