390 ART. I.—B. HAYATA : 
longe exsertis. Spice 2: cylindric, squamis late ovatis 3 mm. 
longis cire. 2 mm. latis apice aristato-cuspidatis sub  cuspide 
emarginatis vel acutis basi 14 mm. latis rhachin involventibus, 
(cuspidibus 4 mm. longis margine minute aristato-serrulatis), dorso 
obscure costatis, (rhachillis subalatis, alis scabridis). Utriculus 
elongato-oblongus sub-bilateralis, plus minus trigonus facie sub- 
planus dorso convexus latere costatus 38 mm. longus 3 mm. 
latus apice obscure 2-dentatus. Acheenia prematura cylindrica 
14 mm. longa apice leviter contracta ad stylorum basem incrassa- 
tam abeuntia. Styli basi incrassati validiusculi erecti, (partibus 
incrassatis 14 mm. longis elongato-ovoideis minute glanduloso- 
cristato-punctatis), apice tri-fidi, ramis tenuibus 14 mm. longis 
gracilibus minute papilloso-hirtellatis. 
Has. Arizan, leg. T. Kawaxamr et U. Mors, Mart. 1908, (No. 
3603). 
Near C. tristachya Tuuns., but differs from it by the shape 
of the utricles and styles; also near C. breviculmis, from which 
this differs in many points. 
Carex orthostemon Hayara var. cupulifera Hayara n. v. Ut 
typice. Achenia matura ovoidea vel oblonga glabra _ trigona 
24 mm. longa 14 mm. lata 3-costata, (costis prominentibus), apice 
constricta, enfra basin stylorum cupulis coronata, obovata; stylis 
basi conico-incrassatis, ad extremitatem constrictis, plus minus 
minuto tenuissime glanduloso-punctatis. 
Has. Randaizan, leg. B. Hayata et U. Mort, 1908, Aug. (No. 
7061 et 7058); in monte Morrison, leg. T. Kawakami et U. Mort, 
(No. 1846). 
It seems to me that the shape of the basal portion of 
styles are some times extremely variable, according to the stage 
