MATERIALS FOR A FLORA OF HOKKAIDO, II 



By 



K. MiYABE 

 and 



Y. Kudo. 



At m m m ^ it^ n n- 



^ §15 ^ ^ 



X m % M 



4. Luzula (Pterocks) Jimboi Miyabe _et Kudo. sp. nov. 



Caules erecti vel basi breviter adscendentes, usque 20 cm alti, iu statu sicco 

 irregulariter valleculati, basi superneque foliati. Folia basilaria saepius minora, 

 laminis linearibus saepius 1-4 cm rarius 10 cm longis, saepius 2-3 mm rarius 5 

 mm latis, oribus louge ciliatis ; caulina 2 vel 3, majora, lamiuis late linearibus, 

 saepius 5 cm longis, 6 mm latis, margine plus-minus ciliatis, apice sensim vel 

 abrupte longe acuminatis, canaliculatis, callosis, vaginis elongatis et arctatis, 

 oribus longe ciliatis. Inflorescentia terminalis, composita, anthelata ; rami erecti 

 nee refracti, dicbotomi. Bractea infima erecta, frondosa, inflorescentiam sub- 

 aequans; propbyUa floris membranacea, late ovata, ciliata, mucronata, castanea, 

 liyalino-marginata, flore ca. duplo breviora. Flores minores, 3.5 mm lougi ; tepala 

 laceolata, subaequilonga, acuminata, medio dorsi castanea, hyalino-marginata. 

 Stamina tepalis 1/3 breviora ; antlierae lineares, filamenta subaequantes. Ovarium 

 trigono-conicum ; stylus ovarium aequans ; stigmata 3, longa. Fructus nobis ignotus. 



NoM. JAP. Jimhoso. (nov.). 



Hab. Kuriles. Etorofu : Shibetoro (K. Jimboli^ June 13, 1891). 



A very striking species, having dichotomous branches of the inflorescence, 



[Trans, of Sapporo Natural History Soc. Vol. V. Part 1. Sept. 1913.] 



