MATERIALS FOR A FLORA OF HOKKAIDO, II. 



By 



K. MiYABE 

 and 



Y. Kudo. 



:\t m m m ^ -^^ n n. 



^ ^ ± ^ 



X m M M 



4. Luzula {Ptcrodcs) Jimboi Miyabe et Kudo. sp. nov. 



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

 in-egulariter valleculati, basi superueque foliati. Folia basilaria saepius minora, 

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

 mm latis, oribus longe ciHatis ; caulina 2 vel 3, majora, laminis late linearibus, 

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

 abrupte longe acuminatis, cauaUculatis, callosis, vaginis elongatis at arctatis, 

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

 nee refracti, dichotomi. Bractea infima erecta, frondosa, inflorescentiara sub- 

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

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

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

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

 trigonoconicum ; stylus ovarium aequans ; stigmata 3, longa. Fmctus nobis ignotus. 



NoM. JAP. Jimlosd. (nov.). 



Hab. Kuriles. Etorofu : Sliibetoro (K. Jimbo !'> Jime 13, 1891). 



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



1) tÜt«/I>«o 



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



