106 



CYPERACEJE. 



a 



radiis 23 cm. longis a basi usque ad apicem densissime spiculiferis. Spiculae 



lineares 7 mm. longse 2 mm. latse ; squarnis infirm persistenti excepta caducis- 



simis, mediis rotundatis l mm. longis 1^ mm. latis 



dorso fiubcarinatis apice ad cuspedem brevem abeuntibus 



subplicatis nuculam amplectantibus. Nucula oblonga 



mm. longa -J mm. lata Isevis apice basique obtusa 



facie plana dorso convexa subtrigona ; stylus 3 fidus. 



HAB. in paludosis Maruyanaa, leg. U. FAURIE, 

 Mai. 1903, (No. 790). 



Near Cyperus pilosus VAHL., but differs from it by 

 the very much densely spicate and much! shorter spikelets. 



Cyperus mediorubescens HAYATA sp. nov. (Fig. 

 23, e-g). Folia radicalia ignota. Caulis acute triqueter 

 circ. 80 cm. altus glaber basi usque ad inflorescentiam 

 simplex eramosus, bracteis manifestis 6 basi inflores- 

 centise insitis ; bracteis insequilongis longioribus circ. 40 

 cm. longis 5-6 mm. latis apice acuminatis inflorescentiam 



in longitudiue 5-6-plo sequantibus. Inflorescentia ^' ' a ~ ' yP erus 



densespicatus HAYATA ; a, 



umbelliformis sessilis, radii's circ. 10 simplicibus vel a scale; b, the same in 



apice umbelluliferis insequilongis 4-10 cm. longis glabr is, sec 3n ' c ' a ' 



the same in section, e-g, 



umbellulis (i.e. spicis spicularum) circ. 5 radiatis 25 Cyperus mediorubescens 



i ,'i i -i j HAYATA; e, a scale; f, a 



cm. longis patentibus a basi usque ad apicem densissime 



nutlet; g, the same, in 



spiculiferis. Spicse (i.e. radii umbellularum) 2-5 cm. section. 

 longse 1 cm. latse sessiles densissime spiculiferse, bracteolis basi spiculse 

 sitis singulis. Spiculse lineares rectse 6 mm. longse 1 J 2 mm. latse apice 

 basique obtusse floribus utroque latere 10-12 ; squamis (glumis) mediis 1 mm. 

 longis apice cuspidatis castaneis. Achsenium oblongum utrinque obtusum f mm 

 longum leave subtrigonum dorso plus minus compressum plano-convexum dorso 

 convexum facie planuni ; styli 3-fidi. Rhachilla latere compressa hand alata. 



HAB. Ako : Sekisansho, leg. G. NAKAHARA, Sept. 1905. 



Near Oyperus pilosus VAHL., but different from it by the very much 

 densely spicate, much shorter spiklets. 



