538 PLANT LIFE OF ALABAMA. 



Economic uses : The leaves are the witch hazel or " Hamamelis " of the United States 

 Pharmacopoeia. 



Type locality : " Hab. in Virginia." 

 Herb. Geol. Surv. Herb. Mohr. 



LIQUIDAMBAR L. Sp. PI. 2 : 999. 1753. SWEET-GUM THEE. 



Four species, Asia, Atlantic North America and Mexico. 

 Liquidambar styraciflua L. Sp. PI. 2 : 999. 1753. SWEET GUM. RED GUM. BILSTED. 



Ell. Sk. 2:621. Gray, Man. ed. 6, 180. Chap. Fl. 157. Sargent, Silv. N. A. 5 : 18, 

 1. 199. 



MEXICO, GUATEMALA. 



Carolinian and Louisianian areas. Southeastern Connecticut, southern New York, 

 New Jersey, West Virginia, and Ohio Valley to southeastern Missouri and Arkansas, 

 south to Florida and throughout the Gulf States to the Trinity Valley, Texas. 



ALABAMA: Over the State. Rich bottoms and border of swamps. In greatest 

 development south of the region of Lower hills to the Coast Pine belt. Flowers 

 green, February, March. 



Economic uses: Valuable timber tree. The balsamic exudation, "sweet gum," 

 and the bark, "sweet-gum bark," are used medicinally. 



Type locality: " Hab. in Virginia, Mexico." 



Herb. Geol. Surv. Herb. Mohr. 



PLATANACEAE. Plane Tree Family. 

 PLATANUS L. Sp. PI. 2 : 999. 1753. PLANE TREE. BUTTOXWOOD. 



Three species, Europe, Asia. North America, 2. 

 Platamis occidentalis L. Sp. PL 2 : 999. 1753. SYCAMORE. BUTTONWOOD. 



Ell. Sk. 2 : 620. Gray, Man. ed. 6, 467. Chap. Fl. 418. Coulter, Contr. Nat. Herb. 

 2 : 410. Sargent, Silv. N. A. 7 : 102. 



Allegheuian to Louisianian area. Ontario, southern Maine, west to Nebraska and 

 Kansas and south throughout the Ohio Valley to Florida, eastern Texas, and Arkansas. 



ALABAMA: Over the State. In bottom lauds, chiefly in the central sections, far- 

 ther south sparsely scattered, and in the coast region scarcely indigenous. Flowers 

 May ; fruit ripe September. 



Type locality: '' Hab. in America septentrionali." 



Herb. Geol. Surv. Herb. Mohr. 



ROSACEAE. Rose Family. 



OPUL ASTER Medic. Pfl. Anat. 2 : 109. 1799. 



(PHYSOCARPA Raf. New Fl. N. A. 3 : 73. 1836. ) 



(NEILLIA Don, Prodr. Fl. Nep. 228. 1825. ) 



Four or 5 species shrubs, mountains of Asia. North America, 2. 

 Opulaster opulifolius (L.) Kuntze, Rev. Gen. PI. 2 : 949. 1891. NINEBARK. 



Spiraea opiilifolia L. Sp. PL 1 : 489. 1753. 



Physocarpa opuUfolia Raf. New Fl. N. A. 3 : 73. 1836 



Neillia opuUfolia Benth. & Hook. Gen. PI. 1 : 612. 1865. 



Ell. Sk. 1 : 560. Gray, Man. ed. 6, 153. Chap. Fl. 120. 



Alleghenian and Carolinian areas. Quebec and Ontario to Saskatchewan; New 

 England west to Minnesota, Nebraska, and Colorado, south to New York, Ohio, Illi- 

 nois, southeastern Missouri, Arkansas, and from West Virginia to Georgia. 



ALABAMA: Tennessee Valley. Metarnorphic hills. Rocky banks of streams. 

 Lauderdale County, Florence, banks of Cypress Creek (M. C. Wilson). Lee County, 

 Auburn (Earle). Flowers white, April. Shrub 8 to 12 feet high ; rare. 



Type locality: " Hab. in Virginia, Canada." 



Herb. Geol. Surv. Herb. Mohr. 



SPIRAEA L. Sp. PL 1 : 489. 1753. SPIRAEA. 



Forty species shrubs or perennial herbs of the temperate North Hemisphere, Eu- 

 rope, Asia. North America, 4 or 5. 



Spiraea corymbosa Raf. Prec. Decouv. 36. 1814. MEADOW-SWEET. 



Spiraea betulaefolia var. corymbosa Wats, in Gray, Man. ed. 6, 153. 1890. 



