52 URTICACEJ3. 



leaves. Also near P. kankacensis HAYATA, but distinguishable from it by the 

 much larger oblique leaves and by the much longer and spreading panicles 

 with pedicellate flowers. The cystolithes on the surface of the leaves of P. 

 taitcensis are much shorter than those of P. Jcankacensis. 



Lecanthus WEDD. 



Lecanthus Sasakii HAYATA sp. nov. Herba subsucculenta glabra 

 ramosa. Caulis glaber 30-40 cm. longus foliosissinius raniosus .basi plus minus 

 repens ad nodos radicans, ramis et ramulis gracilibus tenuibus repentibus 

 ad nodos radicantibus. Folia opposita longe petiolata membranacea oblongo- 

 obovata maxima 11 cm. longa minima 4cm. longa 22mm. lata apice 

 caudata (caudis linearibus 8 mm. longis 2-3 mm. latis apice acuminatis) 

 basi cordata rotundata truncata vel triangulari-acuta margiiie prope basin et 

 in cauda integra cseterum argute serrata, (serris mediis ascendentibus rotundatis 

 triangularibus 3 mm. latis 2 mm. longis ab apice usque ad apicem 4 mm. dis- 

 taiitibns apice breve cuspidatis sed hand aristatis) margine tota sub lente 

 minute brevissime ciliolata trinervia, nervis lateralibus extrorsum veiiuliferis, 

 venulis arcuatis ad apicem serrarum attingentibus, pilis rigidis calcareis f mm. 

 longis 2 % mm. latis 3-cellularibus liberis prope margineni ad paginam superiorem 

 sparsissimc dispositis, pagina supra pilis mm. longis densiuscule conspersa, subtus 

 nervis venis exceptis glabra, nervis et venis pilis liberis conspersis, petiolis 

 laminam foliorum in longitudine e-pl sequantibus intus sursum plus minus 

 sulcatis glabris, stipulis scariosis tenuissimis membranaceis subhyalinis axillaribus 

 triangulari-ovatis 4mm. longis 2^ mm. latis apice obtusis basi cauleni semi- 

 amplectantibus intus glabris margine ciliatis extus pilis liberis conspersis. 

 Flores capiculati, capitulis solitariter axillaribus subpeltiformibus 1-Jcm. 

 in diamctro pedunculatis (pedunculis circ. 1 cm. longis glabris) bracteis 1-2- 

 scriatim dispositis involucratis ; involucri bractese late triangulares glabrje 

 apice acutse versus apicem rubro-punctatse ; bracteolie vel palese ad receptaculum 

 minutsD lanceolatse vel lineares 1 mm. longse ^ mm. latse glabrse acuminatissimse ; 

 florcs sessiles vel pedicellati, (pedicellis 1-2 mm. longis craasis glabris). Peri- 

 anthii fructiferi segmenta 4 linearia 1^ mm. longa | mm. lata apice obtusa 

 basi haud contracta utraque glabra dorso infra apicem brevissime cornuta, 

 cornibus callosiformibus obtusissimis. Staniiiiodia in flore fructifero 3 hyalina 



