90 ART. 19. — B. HAYATA: 



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

 et U. MoEi, Nov. 1006, (No. 1787). 



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

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

 If. Kaicakamii, this differs in having entire sepals of radial flowers 

 and broad wings of seeds. 



Hydrangea Integra Hayata, sp. no v. (PL YII). Frutices ad 

 truncos scandentes, ramis subglabris eortice fusco-rubro tectis. 

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

 cuspidato- acuta basi obtusa vel angusta integra utraque pagine 

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

 rubris. Cymae corymbosac umbellato-fasciculatse terminales 14 cm. 

 longce 15 cm. in diametro a3quantes, 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 hemisplierica 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. Mom, Oct. 

 1900, (No. 1723). 



Somewhat resembles //. integrifolia, but easily distinguished 

 in having narrowed base of the leaves. 



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

 ad truncos scandentes, ramis tomentoso-pubescentibus demum sub- 

 glabris, eortice cinereo-fuscente 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, 



