( 2 ) 



The Species with us are^ 



1 . Acer pennfylvanicum Pennfylvanian 



Divarf Aiotintaift Maple. 



This grows naturally upon the mountains in the 

 back parts of Pennfylvania. The ftems are flender, 

 rifing to the height of fix or eight feet, and fending 

 off feveral oppolite branches. The leaves are three- 

 pointed, pretty much fawed on their edges, and 

 placed oppofite upon pretty long footftalks. The 

 flowers terminate the ftalks in a pretty long ereft 

 racemusox bunch; they are fmall, of an herbaceous 

 colour, and in part fucceeded by fmall conjoined 

 winged feeds. 



2. Acer glaucum. The Siher-leaved Maple. 



This tree grows frequently to the height of fifty 

 or fixty feet, with many fpreading branches. The 

 leaves are five-lobed, fomewhat toothed, or deeply 

 and irregularly fawed on their edges : they are of 

 a lucid green on the upper fide and a bright filver co- 

 lour on their under. The flowers are produced in. 

 little umbels at the foot of the leaves; they are of a 

 deep red colour, and are fucceeded by large winged 

 feeds, which fall off early in the fummer. This is 

 perhaps the Acer rubrum of Linnaeus. 



3. Acer Negvindo. The AJh-leaved Maple. 



This tree is dioecious, or having male and female 

 flowers upon different trees; it is but of middling 

 growth, rifing perhaps to the height of twenty or 

 thirty feet. The leaves fomething refemble thofe of 

 the Afhj but are generally trifoliate or quinquefoliate, 

 or confift:ing of three or five lobes; which are oval, 

 fomewhat pointed, and a little notched towards their 

 extremities. The flowers of the male are produced 



upon 



