22 HOSACE^E. 



16. Rubus linearifoliolus HAYATA sp. nov. (Fig. 16-a) Suffrutex 

 scandens. Ramuli recti teretes glanduloso-viscosi fulvo-rubesccntes aculeati 

 aculeis rectis 3-4 rain, longis complanatis acuminatis recto-patentibus. Folia 

 pallido-viridia pinnata in ambitu lanceolata cuui petiolo 20-25 cm. longa 

 10-15 cm. lata, foliolo terminal! lineari-lanceolato 5-6 cm. longo 8 mm. lato 

 apice acuminate basi obtuso marginc duplicato-serrulato utraque glabro, costa 

 subtus aculeolata supra laevi, foliolis lateralibus eo terminal! conformibus 

 oppositis 3-5 jugis a se 3-4 cm. remotis, petiolis cum rhachibus glabris sed viscosis 

 aculeatis, aculeis deorsum requrvis, stipulis usque ad medium ad petiolum adnatis 

 linearibus 5 mm. longis. /"tlacemi pauciflorati, floribus 1-2, axillares vel 

 terminales, pedunculis vel pedicellis 1-2 cm. longis viscosis plus minus aculeo 

 latis. Calyx pallido-viridis ; calycis cupula extus glabra sed viscosa 7 mm. 

 in diametro ad centrum plus minus depressa ; calycis lobi triangulares 6 mm. 

 lougi 4-5 mm. lati apice acuti subito ad acumen linearem 7 mm. longum 

 abeuntes extus viscosi prope marginem liirsuti intus villosi. Petala alba 

 obovato-rotundata 12 mm. longa 8-9 mm. lata apice rotundato-truncata basi 

 obtusa vel plus minus cuneata margine subintegra versus apicern plus minus 

 crenulata vel integra. Stamina oo, autlieris ellipticis 1 mm. longis ^ mm 

 latis utroque emarginatis. Cupula intus glabra ad centrum villosa. Kecep- 

 taculum ellipsoideum. Ovariuni oblique oblqngum, stylo glabro, stigmate 

 terminali. 



HAB. inter Nanko et Dainano, leg. B. HAYATA, Mai. 1916. 



Near R. rosaefolius SM., but differs from it by the linear leaflets. 



17. Rubus triphyllus THG. (Fig. 16-b) ; KOIDZ. Conspect. Ros. Jap. 

 p 137. B. parvifolius MIQ.; MATSUM. et HAYATA Enum. PL Formos. p. 122. 



Note : petals purple. 



