n ■ 



Acer circinatum Pursh. Vine Maple. 



Range. — From the coast region of British Columbia south through Washington, 

 ..Oregon, and California (to Mendocino County). 



Names in use. — Vine Maple (central and northern Cal.j Oregon — 

 Willamette Valley) ; Mountain Maple. 



Acer glabrum Torr. Dwarf Maple. 



Range. — From British Columbia eastward and southward over the mountains of 

 the West to California (on*Sierra Nevada Mountains to Yosemite Valley), Colorado 

 (astern slopes of Rocky Mountains), eastern New Mexico, and western Arizona. 



Names in use. — Dwarf Maple (Greg., Utah, Oal., Colo.); Mountain 

 Maple (Colo., Mont,); Soft Maple (Utah); Shrubby Maple (Utah); Bark 

 Maple (Idaho); Maple (Mont.). 



Acer saccharum Marsh. Sugar Maple. 



Acer saccharinum Wang. 



Range. — From southern Newfoundland (along the St. Lawrence and Saguenay 

 rivers, Lake St. John, and northern borders of Great Lakes) to Lake of the Woods 

 and Minnesota ; south (through the Northern States and on the Allegheny Mountains) 

 to northern Georgia and western Florida; west to eastern Nebraska, eastern Kansas, 

 and eastern Texas. 



Names in use.— Sugar Maple (Me., N. H., Vt., Mass., E. I., Conn., 

 N. Y., N". J., Pa., Del., Ya., W. Ya., K. C, S. C., Ala., La., Ky., Mo., 

 Ohio, 111., Iud., Iowa, Kans., Nebr., Mich., Minn., Wis., Ont.); Hard 

 Maple (Vt.', E. L, N. Y., N. J., Pa., Ya., Ala., Ky., Mo., Kans., Nebr., 

 111., Ind., Iowa, Mich., Ohio, Minn., Ont.) ; Sugar tree (Me., Vt., E. I., 

 Pa., Va., W. Va., Ala., Miss., La., Ark., Ky., Mo., 111., Ind., Ohio, Kans.) j 

 Rock Maple (Me., Vt., BT. H., Conn., Mass., E. I., N. Y., Temi., 111., 

 Mich., Iowa, Kans., Wis., Minn., Ont.); Black Maple (Fla., Ky., N. C.)$ 

 Maple (S. C). 



Acer saccharum nigrum (Michx. f.) Britton. Black Maple. 



Acer sacchahinum Wang. 



Range. — From Vermont (Lake Ckamplain) to Minnesota, eastern Kansas, and 

 southwestern Arkansas; southward (west of the Allegheny Mountains) to northern 

 Alabama and Mississippi (Chickasaw River). 



Names in use. — Black Sug-ar Maple (Mich., Mo.); Black Maple 

 (Mich., Iowa); Hard Maple (Minn.). 



VARIETY DISTINGUISHED IN CULTIVATION. 



Acer saccharum nigrum monumentale (Temple) Sudw. 



Acer saccharum barbatum (Michx.) Trelease. 



RANGE. — Nearly the same as the preceding, hut insufficiently known. 



Acer saccharum leucoderme (Small) Sudworth. 



Whitebark Maple. 



Range. — North Carolina to Georgia and Alabama. 



Acer saccharum floridanum (Chapm.) Small & Heller. 



Florida Maple. 



