MELASTOMACE-*:. 109 



Melastomaceae. 



Pachycentria formosana HAY ATA sp. nov. Tashircea ottnataauu 

 HAY ATA in Mater. Fl. Forraos. p. 114 et p. 449 (non MATSUMURA). Frutes- 

 cens, ad truncos scandens ; caulis subteres, cinerascens, rugosus, lenticellis 

 albicantibus multis notatus. ramulis fusco-rubescentibus lenticellis parce notatis. 

 Folia opposita ovato-lanceolata vel obovato-lanceolata, apice acuta, ad summum 

 obtnsa, basi obtusa vel plas minus cuueata, 7 cm. longa 2 cm. lata vel 

 latiora, integerrima vel subintegra, distincte 3-nervia, nervis supra tenuibus 

 plants vel impressis inconspictiis, subtus prominente elevatis, uervis latera- 

 libus a costa supra basin divaricatis margine parallelis prope apicem 



e attiugentibus, erassiuscula, supra in exsiccato fuscentia subtus flaves- 

 eentia vel pallidissima, utrinque glabra, petiolis 8-10 mm. longis supra sul- 

 catis. Cyinse terminales vel juxta apicem asillares, 4-5 cm. longje icum 

 petlunculis) totiusque latse, ternatim 2-3-plo ramoste, ad nodos 2-bracteat?e, 

 pedicellis 7 mm. longis. Calyx globoso-campanulatus, 4 mm. longus, glaber, 

 tul.io snbglobo:<o-campanulato, fauce plus minus contracto, limbo subintegro, 

 plus minus oljscure 4-dentato, margine minute ciliolato. Petala 4, valde 

 obliqua rotundata, vel obovato-rotundata, 1 cm. longa totiusque lata, margine in- 

 tegerrima obscure 8-10 nervia, apice oblique rotundata, basi subcuneato-truncata, 

 ad insertionem contracta 1 mm. lata. Stamina 8, fequalia ad faucem calysis 

 affixa, filamentis complanatis o mm. longis erecto-rucurvis, glabris, antheris 

 erectis latere compressis, ovato-linearibus 3-i cm. longis apice obtusis 1-porosis, 

 lui-i locellis parallelis nou productis, connectivis basi postice breve calcamtis. 

 calcare brevissimo ^ mm. longo. Ovarium calyce adhrerens, 4loculare, ovulis 

 in loculis numerosis. placentis ab angulo interiore loculorum, apice conicnm alte 

 8-sulcatum, stylo filiforme 6 mm. longo apice minute truncate. Bacca sub- 

 globoso-torbinata, vel subglobosa purpurascens limbo calysis persistenti coro- 

 nata, 7 mm. in diametro. Semina flavescentia, minuta. cylindrica, utrinque 

 obtusa, testa crustacea nitida. 



H.\B. Sliintiku : Kareishu. leg. U. MORI, Juni., 1908, (No. 1434) ; Mt. 

 Arisan, leg. B. HAYATA et S. SASAKI Jan., 1912. 



The present plant was erroneously referred by myself to Tashiroea, a genus 



