90 AET. 19. — B. HAY ata: 



Hab. in monte Morrison, ad 7500 peel, alt., leg. T. Kawakami 

 et U. MoEi, Nov. 1906, (No. 1787). 



This new plant is near H. involucrata Sieb. ; but differs from 

 it in having quite glabrous leaves and more expanded cymes ; from 

 H. KawaJcamii, this differs in having entire sepals of radial flowers 

 and broad wings of seeds. 



Hydrangea intégra H ay ata, sp. nov. (PL VII). Frutices ad 

 truncos scandentes, ramis subglabris cortice fusco-rubro tectis. 

 Folia petiolata oblongo-elliptica 22 cm. longa 8 cm. lata acuta vel 

 cuspidato- acuta basi obtusa vel angusta intégra utraque pagine 

 glabra, laminis petiolum 3-plo superantibus, petiolis ferrugineo- 

 rubris. Cymse corymbosse umbellato-fasciculata3 terminales 14 cm. 

 longse 15 cm. in diametro sequantes, rhachibus tomento subfloccoso 

 dense tectis. Flores exteriores steriles, sepalis 2 petaloideis late 

 rotundatis valde nervosis, altero minore IJ cm. lato altero majore 

 2 cm. lato. Capsula hemispherica latere compressa 3-4 mm. lata, 

 calycis limbis obscuris, stylis persistentibus apice recurvis. Semina 

 fusiformia longitudinaliter striata. 



Hab. in monte Morrison, leg. T. Kawakami et U. Moki, Oct. 

 1906, (No. 1723). 



Somewhat resembles H. integrifolia, but easily distinguished 

 in having narrowed base of the leaves. 



Hydrangea Kawakamii Hayata, sp. nov. (PL VIII). Frutices 

 ad truncos scandentes, ramis tomentoso-pubescentibus demum sub- 

 glabris, cortice cinereo-fascente tectis. Folia tomentoso-hirsuta 

 petiolata, petiolis lamina 3-plo brevioribus, laminis oblongo-ovatis 

 circ. 14 cm. longis 7 cm. latis apice acuminatis basi acutis vel 

 rotundatis margine irregulariter subbiserratis, serris aristato-acutis, 



