NORTH AMERICAN MAPLES. 99 



incisely lobed than usual, and green below, as in the next 



variety. 



Acer Floridanum var. acuminatum. 



Characters of the type, but the leaves green below, 

 isodiametric, shallowly 3-lobed with long tapering pointed 

 apexes. — Plate 11. 



•Range, North Carolina to Georgia and Alabama. 

 Specimens examined from North Carolina (Stanley Co., 

 Small & Heller, Aug. 18, 1891, 381; Dr. Hunter), 

 Georgia (Rome, Ravenel, 1871), Alabama (Choctaw Co t , 

 Mohr, Aug. 20, 1880; Walker Co., Mohr, Aug. 16, 1880; 

 Cullman, Mohr, June 18, 1891; Mt. Sterling, Mohr, Aug. 

 19, 1880). 



The forms of this variety and of A. Rugelii Pax, bring 

 Floridanum and saccharum var. barbatum close together. 

 Acer grandidentatum Nutt. in Torr. & Gray, Fl. i. 



(1838), 247; Sargent,' Census Rept. 48; Pax, En- 

 gler's Jahrb. vii. 220; Wesmael, Acer, 46; Schwerin, 

 Gartenflora, xlii. 325. — A. barbatum var. grandiden- 

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

 ii. 100, pi. 92. — A. saccharum var. grandidentatum 

 Sudworth, Rep. Sec. Agricult. 1892, 325. 

 Bark gray; internodes elongated, rather stout, dark red, 

 more or less glossy, becoming light gray the second year ; 

 buds dark reddish brown, conical, acute, the pointed scales 

 somewhat loose at tip and lined with long white hairs ; 

 petioles rather abruptly dilated, without stipules; leaves 

 coriaceous, medium sized (usually 3 to 4 in. broad), fiat, 

 clear green and dull above, more or less pale and velvety 

 below, isodiametric or commonly broader than long, usu- 

 ally rather deeply cordate with open basal sinus, 5-lobed 

 with open sinuses, the upper three lobes commonly dilated 

 upwards and, like the lower margin of the outer lobes, 

 serrately 2- to 3-lobed on each side, all of the lobes typically 

 rather acute ; fruit large (6X6 mm. ), the outer lines of the 

 rather large wings (10 X 20 mm.) forming a right angle, 

 while the inner are subparallel. — Plates 12 to 13. 



12 



