52 URTICACEJE. 



leaves. Also near P. kankaoensis 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. 

 taitoensis are much shorter than those of P. kankaoensis. 



Lecanthus WEDD. 



Lecanthus Sasaki! HAYATA sp. nov. Herba subsucculenta glabra 

 ramosa. Cuulis glaber 30-40 cm. longus foliosissimus ramosus basi plus minus 

 repens ad nodos radicans, ramis et ramulis gracilibus tenuibus repentibtis 

 ad nodos radicantibus. Folia opposita longe petiolata membranacea oblongo- 

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

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

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

 in cauda Integra creterum argute serrata, (serris mediis asceudentibus rotundatis 

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

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

 minute brevissime ciliolata trinervia, ncrvis lateralibus cxtrorsum venuliferis, 

 vcuulis arcuatis ad apicem serrarum attingeiitibiis, pills rigidis calcareis | mm. 

 longis 2*g- mm. latis 3 cellularibus liberis prope marginem ad paginam superiorem 

 sparsissime dispositis, pagina supra pilis ^ mm. longis densiuscule conspcrsa, subtus 

 nervis venis exccptis glaljra, nervis et venis pilis liberis conspersis, petiolis 

 laminam foliorum in longitudine -J-plo sequantibus intus sursum plus minus 

 sulcatis glabris, stipulis scariosis tenuissimis niembranaceis subhyalinis axillaribus 

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

 amplectantibus intus glabris margine ciliatis extus pilis liberis conspersis. 

 Flores ^ capiculati, capitulis solitariter axillaribus subpeltiformibus l-|-cm. 

 in diametro peduuculatis (pedunculis circ. 1 cm. longis glabris) bracteis 1-2- 

 seriatim dispositis involucratis ; involucri braetese late triaiigulares glabrte 

 apice acutrc versus apicem rubro-punctatse ; bracteolse vel paleic ad receptaculum 

 minutse lanceolatse vel lineares 1 mm. longse ^ mm. latse glabrse acuminatissimse j 

 flores sessiles vel pedicellati, (pedicellis 1-2 mm. longis crassis glabris). Peri- 

 antliii fructiferi segmeiita 4 linearia l|mm. longa | mm. lata apice obtusa 

 basi baud contracta utraque glalira dorso infra apicem brevissime cornuta, 

 cornibus callosiformibus obtusissimis. Staminodia in flore fructifero 3 hvalina 



