﻿A. tetramerum, Pax (spec. nov. ex affinitate A 

 foliis juvenilibus (vix e gemma ortis) subtus in 

 brevissime petiolatis ; perulis 4 glaberrimis, extenonbus coccineis, 

 interioribus luteo-viridibas elongatis lanceolai 

 inflorescentiis umbeliato-fasciculatis 5-6-floris ortis e genu 

 4-perulatis aphyllis secus ramulos breves laterales (rai 

 apice folia producentes sessilibus ; floribns medwcribi^ 

 nascentibus tetrameris lntescentibus breviter pedicellatis cam pedicellis 

 glaberrimis, dioicis ; sepalis in floremascalo orbi 

 mis; petalis sa3 P e deficientibus quam se?ala brevioribus 

 obtusis; staminibus 4 ■ nbunentis fihformibu. 



brevibtis ; disco glandulis 4 alternisepalis intra filamentornm basin ei 

 prasertim intra stamina evolutis, glaberrimis; pistillodio in flore 

 masculo nullo. 



Hab. China, prov. Hnpeh, hg. Dr. A. Henry (No. 5313 !). 



This is the most interesting species of Acer Dr. Hem-, , 

 Central China; and although leaves and fruits are unkn 

 be considered as a very distinct species. It has some affi mtoes wrth£ • 

 argntum, Maxim. ; in both the flowers are dioecious an 

 in number equal to the sepals and oppo «te Jem ; rntoth tbe i 

 cence is lateral on short branchlets of an elongate brancn. x»^ ^ ^ 

 is no possibility of uniting the two B V e f e f.^. ■ ' 

 tetramerum, the flowers are ^^^^^^XfU^cc is 

 pentamerous and androdicecious ; in the nrst tne 

 Fasciculate, in the last ™£™^J^£m±F. P- 

 glabrescent, those of A. tetramerum dtnseiy v 



