HORSE CHESTNUT FAMILY. 607 



Acer rubrum L. Sp. PI. 2 : 1055. 1753. Red Maple. Swamp Maple. 



Ell. Sk. 1:449. Gray, Man. ed. 6, 618. Chap. Fl. 81. Sargeut, Silv. N. A. 2 : 107, ^ .W. 



Allegheuiau to Louisiauiaii area. New Brunswick, Ontario; New England west 

 to Dakota, soutli to Florida, and along the Gnlf to Texas and Arkansas. 



Alabama: Over the State. Swampy woods and low river hanks. Flowers scar- 

 let. Fehruary, March; fruit ripe April, red. 



Economic uses : The wood is used in cahinet making. 



Type locality: ''Hah. in Virginia, Pennsylvania." 



Herh. Geol. Surv. Herh. Mohr. 



Acer drummondii Hook. & Arn. ; Hook. Journ. Bot. 1 : 200. 1834. 



Drummond's Red Maple. 



Acer rubrum fZr«mwonf?ii Sargent, For. N. A. 50. 1884. 



Louisiauian area. Western Louisiana and Mississipiji, 



Alabama : Coast plain. Swampy alluvial forests. Mohile County, Mount ^'oruon. 

 Inundated hanks of Davids Lake. Flowers in Fehruary ; fruit ripe middle of April, 

 purplish (wine-purple). Thirty to 35 feet high, 10 to 12 inches in diameter. Not 

 frequent. 



In the Mississippi and Yazoo hottoms, where this tree is frequent, forms haveheen 

 ohserved with the leaves less deeply lobed and with slighter pubescence, approach- 

 ing A. rubrum. 



Type locality: "New Orleans," Drummond. 



Herb. Geol. Surv. Herb. Mohr. 



Acer neguudo L. Sp. PI. 2 : 1056. 1753. Box Elder. 



Negundo aceroides Moench, Meth. 334. 1794. 



Ell. Sk. 2 : 4.52. Gray, Man. ed. 6, 118. Chap. Fl. 81. Coulter, Contr. Nat. Herb. 

 2 : 66. Sargent, Silv. N. A. 2 : 111, t. 96. 



Alleghenian to Louisiauian area. Ontario aud Saskatchewan ; New England, west 

 to Minnesota, Dakota, Montana, and Utah, south to Florida, Louisiana, Arkansas, 

 Texas, and eastern Arizona. 



Alabama : Tennessee Valley to Lower hills. Morgan County. Lawrence County, 

 Moulton. Madison aud Blount couuties. Frauklin County, Russellville. Tusca- 

 loosa County {E. A. Smith). Flowers in March; not frequent. A tree of sturdy 

 growth, rarelj' over 50 feet high, 12 to 16 inches in diameter. 



Type locality : "Hah. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



AESCXJLACEAE. Horse Chestnut Family. 



AESCULUS L. Sp. PL 344. 1753. 



Fifteen species, temperate Asia. North America, 6. 

 Aesculus glabra Willd. Enum. 405. 1809. Fetid Bickeye. 



Gray, Man. ed. 6, 116. Chap. Fl. 79. Sargent, Silv. N. A. 2 : 55, i. 67, 68. 



Caroliuian area. Pennsylvania west to Michigan, south to the Ohio Valley and 

 Missouri, and along the Alleghenian Mountains to Georgia. 



Alabama: Tennessee Valley. Mountain region. Calcareous wooded hills. Mad- 

 ison County, Huutsville, 800 feet. Winston County ; Blount County, Warnock Moun- 

 tain, 700 feet. Flowers yellow. May; fruit ripe in September. A tree from 40 to 50 

 feet high. Not infrequent in the limestone region of the Tennessee Valley, elsewhere 

 rare. 



Type locality: "Hah. in America boreali." 



Herb. Mohr.' 



Aesculus octandra Mar.sh. Arb. Am. 4. 1785. Yellow Buckeye. 



Aesculus lutea Wang. Schrift. Nat. Freund. Bcr. 8 : 133, t. (>. 1788. 



Aesculus flava Ait. Hort. Kew. 1 : 494. 1789. 



EU.Sk. 1:436. Gray, Man.ed. 6, 116. Chap. Fl. 80. Sargent, Silv. N. A. 2 : .59, 

 t. 69. 



Alleghenian and Carolinian areas. Allegheny Mountains from Pennsylvania to 

 northern Georgia, west to Iowa, Indian Territory, and eastern Texas. 



Alabama: Mountain region. Rich wooded hillsides. Madison County, Monte- 

 sano, grove of fine trees 75 to 80 feet high, near the Big Spring, 1,300 feet altitude. 

 Local and rare. 



Economic uses: Timber tree. 



Type locality not distinctly given. Tree designated as "New river Horse 

 Chestnut.'' 



Herb. Geol. Surv. Herb. Mohr. > 



