98 MISSOURI BOTANICAL GARDEN. 



Co., Bush, Sept. 27, 1893), without stipules, possess the 

 green lower leaf surface and, in part, the general aspect of 

 this variety, but I am doubtful whether to place them here 

 or in the preceding variety, and the same may be said of a 



specimen collected at Houghton, Mich., by Engelmann in 



1878. 



Acer Floridanum (Chapman) Pax, Engler's Jahrb. 1886, 



vii. 243; von Schwerin, Gartenflora, xlii. 457. — A. sac- 

 charinum var. Floridanum Chapman, Fl. So. U. S. 

 (1860), 81. — A. saccharinum subsp. Floridanum 

 Wesmael, Acer, 61. — A. barbatum var. Floridanum 

 Sargent, Garden and Forest, iv. 148, and Silva, ii. 

 100, pi. 91. — A. saccharum var. Floridanum Sud- 

 worth, Kept. Dept. Agr. 1892, 325. 

 Bark dark (?) ; internodes very slender, elongated, 

 mostly dull, reddish becoming gray; buds globose-ovoid, 

 obtuse, very small for the group, gray to dark brown; 

 petioles very slender, little if at all dilated, without stip- 

 ules ; leaves thin but firm, or typically thicker and coria- 

 ceous, flat, medium sized to small (usually 2 to 4 in. 

 broad), rather dark green and glossy above, below whit- 

 ened and from subglabrous to very tomentose, broader 

 than long, truncate or shallowly and openly cordate at 

 base, 3- to 5-lobed, with variously open sinuses, the lobes 

 sinuously narrowed to the broad very obtuse apexes, or 

 more or less parallel sided and 3-lobed above ; fruit small 

 (4X6 mm.), the outer line of the small wings (6 X 12 



* 



mm.) forming about a right angle. — Plates 8 to 10. 



Range, Georgia to Florida, Mississippi, Louisiana and 

 Arkansas. — Specimens examined from Georgia (Colum- 

 bus, Curtiss, 1875), Florida (Chattahooche, Curtiss, Mar. 

 1880, 497*; Vasey, 1892), Alabama (Girard; Troy, Mohr, 

 June 1880; Walnut Creek, Mohr, May 20 and July 31, 

 1880), Mississippi (Quitman, Mohr, May 16 and 20, 1880), 

 and Arkansas (Fulton, Letterman, May 4, 1881). Two 

 specimens from Louisiana (Alexandria, Hale, and Sodus, 

 Letterman, Sept. 1883), have the leaves more acutely and 



11 



