j..ne 191?.] g. KOIDZUMl:—COM'RIBUTrONES AD FLOBAM. 137 



subtus indumento luteo-brunneo ; calycis dentibus longis acutisque 

 differ t. 



ArbllSCula? ramis vetustioribus atro-brunneis vel nigreicentibus, 

 ramulis hornotinis inflorescentiis foliis subtusqne indumento sordid o 

 vel liitescente densissime stellato-pubescentibus. Folia late elliptica 

 crasse coriacea supra in siccitate nigra albo-stellato-pilosa et glandulosa 

 utrinquc rotundata, margine crenato-denliculata versus basin integra, 

 eostis seeundariis utrinque 4-5 supra planis subtus leviter elevatis, 

 lamina 2-5 cm. longa, 1,3-3,0 cm. lata; petiolis carnosis ad 8 mm. 

 longis tomentosis. Cyma axillaris parva tomentosa, floribus brevis- 

 sime pedicellatis. Calyx glaber acute 4-denticulatus glandulosus circ. 

 1,8 mm. altus. 



Nom. Jap. L'rajiro-komurasnki. 



Distk. Bon in : insl. CLichishima (leg. S. Nishimura ! no. 72, 

 ' Aug. 15, 1017.) 



This species is named in compliment to Mr. S. NlSHIMUBA who 

 collected this plant. 



Microstylis (Eumicrostylis) boninensis nov. sp. 



Ab affinitatc Af. biloba Wall, floribus duplo minoribns, labclli 

 forma etc. facile distinguenda. 



Terrcstris c basi decumbens dein ascendens, erecta usque ad 30 cm. 

 alta, caule brevi glabro 3-6-foliato basi radicante apice in scapum 

 cxeunte. Folia glabra tenue membranacca ovato- vel lanccolato- 

 oblonga vel oblanceolato-oblonga integerrima acuta basi in pctiolum 

 3-5 cm. longuin cauletn vaginato-amplcctcntum longc decurrcntia, 

 lamina basi 3-4-costata 5-10cm. longa 2-3,5 cm. lata. Scapns crcctns 

 teres glaber; raccmo laxe multifloro clongato, bractcis lanceolatis 

 acntis dcllcxis, inferioribus circ. 10 mm. longis sttperioribua tnulto 

 brevioribua; floribus horizontaliter patcntibua invcrsis. Sepal a in- 

 termedia oblonga laterajibus oblongis vel ovato-cllipticia omnibus 

 apice a cutis trinerviis rellexis ; petalia angttste vel lineari oblongis 

 obtusis uninerviis rellexis sepalis brevioribus ; labello valde concavo 

 basi alte auriculato, auricnlis utrinquc acutiusculia, lobo antica elliptico- 

 ovato obtuso auriculas) aeqtqlongo apice leviter bifido. Capsula circ. 

 10 nun. longa erecta pedicellate. 



Nom. Jap. Shima-hozaktlan (nov.) 



Distr. Bonin : inel, Clachishima (leg. S. Nishimcba I no. 1<>7, 

 Sept. 80, 1917. 



