HOSACE^E. 15 



CD Leaves simply serrate, nearly glabrous 



^Branches and petioles unarmed 



24. 7?. kotoensis. 



^Branches and petioles armed 



+ Flowers axillary solitary 



25. R. fraxmifoliolus. 



++ Flowers in terminal or axillary cymes 

 *Cymes many-flowered, leaves longer. 



26. R. fraxinifolius. 



* Cymes few-flowered, leaves smaller... 



27. R. parvifmxinifolius. 



1- Rubus conduplicatus ^DUTHIE (Fig. 10-a, a'); HAY ATA Mater. Fl. 

 Formos. p. 89; Ic. PI. Formos. I. p. 224, t. 24 et V. p. 57. R. retusipetalus 

 HAYATA Mater. Fl. Formos. p. 94. 



Note : Flowers campanulate ; petals white reflexed ; sepals fresh-green. 



2. Rubus taitoensis HAYATA (Fig. 10-b); Mater. Fl. Formos. p. 96. 



3. Rubus mingetsensis HAYATA (Fig. 10-c); Ic. PI. Formos. V. p. 40. 

 Note : scandent shrub, 1-2 in. long, scarcely branched ; leaves fresh-green 



or dark-green, shining above, but very pale below ; costa and veinlets im- 

 pressed above but elevated below ; pedicels and sepals pale fresh-green ; 

 petals very pale green or very pale yellow. 



4. Rubus aculeatiflorus HAYATA (Fig. 12-a) Ic. PI. Formos. V. p. 39. 



5. Rubus arisanensis HAYATA (Fig. 12-b) Ic. PI. Formos. III. p. 87. 



6. Rubus arisanensis HAYATA var. horishaensis HAYATA n.v. (Fig. 

 12-c). Folia ovato-oblonga hand lobata vel leviter triloba 9cm. longa 6cm. lata 

 apice rnargine duplicato-serrulata acuminata basi leviter cordata 3-nervia. 

 Calyx viridis. Petala alba. Fructus tenuiter pubescens luteo-ruber vel rubr. 

 Caeterum ut typica. 



HAB. Baikei, ad 2000 ped. alt., leg. B. HAYATA, Aprili. 1916. 

 Differs from the type by the leaves which are not at all or very slightly 

 lobed. 



Note : Leaves dark-green above, calyx fresh-green, petals white ; carpels 

 villose; fruits finely villose reddish yellow or red, when quite ripened. 



