ROSACE.E. 51 



si me longissime seriseo-pilosis, receptaculo l^mm. in diametro leviter clevato 

 piloso. Petala late rotundata apice rotundata basi brevissime unguiculata, un- 

 guibus ^ mm. longis 1 mm. latis, margine Integra utraque pagine prope basin 

 tcnuiter hirsuta. Stamina ad partcm marginalem cupulre calycis inserta, 

 filamentis glabris, antheris oblongis ; carpellis glabris, stylis glabris. 



HAB. Mt. Shichiseitonzan, leg. Y. SHIMADA, Mart. 1911. 



Near Riibus Sivinkcei HANCE, but differs from it in having thinner rneni- 

 branaceous leaves which are nearly glabrous on both sides. In R. Siuinhcei 

 HANCE, the leaves are usually densely coated on the under surface. 



Rubus piptopetalus HAYATA in KOIDZUMI Conspect. Kosac. Jap. in Journ. 

 Coll. Sci. Imp. Univ. Tokyo XXXVI.-2, p. 153. Sunrutex ; rami et ramuli 

 flexuosi vel subrecti dense glanduloso-hirsuti, pilis patentissimis apice globuliferis, 

 globulis atro-rubescentibus, remote aculeati, aculeis latere complanatis lineari- 

 triangularibus 4-5 mm. longis basi 2 mm. latis transverse sitis vix vel hand 

 recurvis pallido-rubescentibus. Folia alterna remote sita cum petiolis 9-17 cm. 

 longa 6-1 1cm. lata, superiora 3-, inferiora 7-foliolata, foliolo terminali 4-6 cm. 

 longo 2-3 cm. lato ovato vel oblongo-ovato apice acuto vel triangulari-acuto 

 ad summum acutissimo basi obtusissimo vel subrotundato margine duplicato 

 dentate, dentibus primariis mediis 3 mm. latis 1 mm. longis latere superiore 

 dentibus secundariia unicis latere inferiore dentibus secundariis duabus instructis 

 apice aristato-cuspidato-acutis ascendentibus hand recurvatis, utraque pagine 

 dense villoso-pubescenti membranaceo, costis venispue supra hand vel vix 

 impressis subtus tenuiter elevatis, venis lateralibus primariis utroque latere 

 costfe 10-11, mediis a costa angulo 30 egressis subrectis sursum leviter deorsum 

 recurvis apice ad apicem dentium primariorum attingentibus a se 3 mm. 

 distantibus, costa subtus remote aculeolata, foliolis lateralibus oppositis sub- 

 sessilibus vel brevissime petiolulatis cum foliolo terminali conformibus sed 

 minoribus, iis superioribus minimis, iis inferioribus majoribus sed quam foliolo 

 terminali niiuoribus, petiolulo terminali brevi xg-plo foliolum terminale in 

 longitudine requanti, interjugis in longitudine foliolum superius laterale sub- 

 ;e^uantibus vel ea brevioribus, petiolis communibus in longitudine foliolum 

 terminale requantibus cum interjugis petiolulo terminalique intus angustis 

 sime sulcatis remote aculeolatis glanduloso-pilosis, aculeis deorsum recurvis, basi 



