XYRIDEA-. 237 



lata plas luiiuLs complauata gialjra fascentia, testa teuuissiiue membrauacea 

 hyaliua ; albumeu copiosissimum fusceus ; emhrj-o extremitate albumiuis situs 

 linearis 3^ mm. longus f mm. latus. 



Hab. Sliiutilm : Gakokitsu, leg. K. Watanaise, (fl. et fr. typ.l) ; iu uiouti- 

 bus Kappauzau, leg. U. Mori et Y. Shim.vda, Mart. 1910 (fl.) ; Nanto : Bibj-d- 

 uaisan, leg. U. Mori, Juli. 1907, (No. 3492, fl.). 



The in-esent species is somewhate near to the Japauese congeuer, R. japonica 

 EoTii, iu the hahit, leaves and iu the sjiikes ; hut greatly differs from it in 

 the veiy rauch longer hracts, in the patent flowcrs aud in the stipitate anthers. 

 Very distinct species. 



Xyridese. 

 Xyvis LiNx. 



HooK. f. Fl. Brit. lud. IV. p. 365 ; Bextii. F1. Hongk. p. 378 ; Benth. ct 

 HooK. f. Geu. Plant. III. p. 842 ; Engler in Pfl.-fom. II-4 p. 20 ; Dunn et 

 TuTCHER Fl. Hougk. et Kwangt. p. 282. 



Xyris fonuosana Hayata sp. nov. Herba sciq)iformis scapifera, radicibus 

 fibrillosis multissimis. Folia omnia radicalia coespitosa angustissime liuearia 

 plana haud teretia 10-25 cra. longa 1-3 ram. hxta apice acumiuata basi caulem 

 amplectantia longissime vaginata interdum usque ad medium vagiuiformia mar- 

 gine integra haud serrulata crassiuscifla sub microscopio ad pagiuam margiuem- 

 que miuute luuricata apice liaud aristata. Scapi folia iu longitudine valde 

 excedentes \'el iis breviores 10-40 cm. lougi teretes glabri laaves haud ramosi 

 simplices miuus vel plus quam 1 mm. iu diametro sectionis. Flores ad apicem 

 scapi capitatim siti, capitibus depresso-globosis circ. 1 cm. latis 8 mm. longis 

 apice rotundatis basi truucatis, bracteis rigido-coriaceis obovato-rotundatis 5 mm. 

 lougis 4 mm. latis utrac[ue pagiue glabris extus valde convexis intus valde cou- 

 cavis apice rotundatis basi late leviter cuneatis ad insertionem 2 mm. latis sm-sum 

 medio castaneis versus margiuein pallidioribus medio crassiusculis ad marginem 

 tenuissimis apice dorso apiculis brevissimis vel obsoletis instructis margiue 

 integris iutus valde concavis florem uuum amplectautibus ; bracteolis lateralibus 

 duabus hyaliuis tenuissime membranaeeis ecoloratis plicatis iu explicato obovatis 

 4^ mm. lougis apice late acutis vel obtusis basi cuueatis dorso medio crasso- 



