NORTH AMERICAN MAPLES. 95 



without stipules; leaves firm, of medium size (usually 

 about 4 in. broad), flat, somewhat glossy and of various 

 shades of green above, pale or glaucous and downy to 

 glabrous beneath, mostly broader than long, cordate with 

 shallow open basal sinus to truncate, 3-lobed with very 

 open round sinuses (the upper margin of the lateral lobes 

 often spreading nearly in a straight line), the lobes sinuously 

 narrowed from the base to a single acumination, or the 

 median lobe sometimes dilated by a pair of blunt shoulders, 

 one or two similar dilatations also on the lower margin of 

 each lateral lobe, and exceptionally developed into short 

 complementary lobes ; fruit as in the last. — Plates 5 and 6. 

 Range, Connecticut to New Jersey, Tennessee, Missouri 

 and Michigan. — Specimens examined from Connecticut 

 (Norwich, Lumsden, July 1, 1885), New York (Sullivan 

 Co., Eggert, 1873 ; Yates Co., Buckley), New Jersey ( Wee- 

 hawken, Schrenk ), Pennsylvania (Bedford, Soulard, Sept. 

 1860), Ohio (Cincinnati, Lloyd, July 14, 1882), Tennessee, 

 (Dandridge, Rugel, July 1842, — one of the originals 

 of A. Rugelii; Knoxville, Rugel, Mar. 1842, — one of the 

 original collections of A. Rugelii, — Sargent, September 17, 

 1888; Nashville, Gattinger, September 1879, — and no. 

 497*of Curtiss' exsiccatae), Alabama ( Walnut Creek, Mohr, 

 July 31, 1880); Missouri (about St. Louis, Eggert, 1875 

 and 1877 ; Allenton, Letterman, various collections, one of 

 July 1883, with the 3 lobes long, tapering and not at all sin- 

 uate, of which Mr. Letterman says " only one tree seen; M 

 Washington Co., Letterman, August 20, 1881), Michigan 

 (Lansing, Bailey, September 15, 1887, and Hicks, June 15, 



1893; Michigamme, Trelease, July 19, 1887; Alma, Davis, 

 May 1891).— Cultivated in Washington (Vasey, 1873), 

 and about Boston (Sargent, July 1, 1880). A curious form 

 with long caudate lobes, cultivated at Frankfurt am Main 

 (Engelmann, Apr. 1826). 



An examination of numerous trees about Allenton, Mo., 

 in company with Mr. George W. Letterman, and about 

 O'Fallon, Mo., shows that as a rule the bark of this variety 



8 



