250 LRAFI.ETS. 



the divergence of the samaras is almost equally of a new 

 species, and one strongly marked notwithstanding that the 

 dimensions of the leaf are very great in comparison with other 

 Californian species herein presented. 



Acer coptophyi,i,um. I^eaves not large, commonly 3 or 4 

 inches long and 3/^ to 5 inches wide below the middle, deeply 

 parted into uncommonly narrow segments leaving very large 

 and open broadly V-shaped sinuses, each of the 3 larger seg- 

 ments 3-lobed, and deeply so, just above the middle, the lobes 

 triangular-lanceolate, forming narrow and acute secondary 

 sinuses ; upper face of leaf glaucescent-green, soft to the touch 

 by a coat of short stiffish hairs all pointing backwards to the 

 base of the leaf, the lower face strongly reticulate, all veins 

 and veinletssetulose-pubescent, the ciliation quite pronounced : 

 samaras very large for the foliage, few in the raceme, also 



unusually divergent, showing a broad sinus, l5i( to 1^ inches 

 long, the wing Y^ inch wide or more, almost softly setulose- 

 pubescent, the body of the fruit scarcely at all bristly but 

 obviously villous-tomentose. 



The solitary but very fine specimen of this most excellent 

 species has been in my herbarium (n. 11420) for more than a 

 quarter of a century, having been sent me from some unmen- 

 tioned special locality in Humboldt Co., as long ago as 1886, 

 by C. C. Marshall, the same for whom I named Ribes Mar- 

 shallii ; and this new maple is quite as remarkable among 

 members of its genus as that gooseberry is among its cognates. 

 In selecting a name for it I have hesitated in making choice, 

 for the character of the pubescence is quite as peculiar as is 

 the open and much cut leaf -pattern. 



Acer pi^atypterum. I^eaves 3 to 5 inches long, of about 

 the same breadth in the middle, exactly truncate at base, cleft 

 below the middle, the segments much widened above the 

 middle, forming oblong sinuses sometimes quite closed above, 

 the subquadrate-obovate segment itself 3-lobed and the middle 

 lobe large and 3 -toothed, upper face not soft to the touch, yet 



I 



F 



r 



* 1 



1 I 



\ 



' r 



i 









