536 PLANT LIFE OF ALABAMA. 



Hydrangea arborescens cordata (Pursh) Torr. &. Gray, Fl. N. A. 1 : 591. 1848. 



WILD HYDRANGEA. 



Hydrangea cordata Pnrsh, Fl. Am. Sept. 1 : 309. 1817. 



El'l. Sk. 1 : 509. 



Carolinian area. Mountains of Tennessee, Carolina, and Georgia. 



ALABAMA: Mountain region. Lower hills. Shaded rich hillsides, rocky woods. 

 Clay County, Talladega Creek, near Moseley, 1,000 feet. Tuscaloosa County. Wins- 

 ton County, 1,500 feet. Flowers white, July. Shrub 6 to 8 feet high ; not frequent. 



In the extreme form quite distinct, connected however with the type by inter- 

 grading forms. 



Type locality: "On the mountains of Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Hydrangea cinerea Small, Bull. Torr. Club, 25 : 148. 1898. 



Robust shrub, 3 to 4 feet high. Leaves thinnish, broadly ovate to elliptical, acu- 

 minate, more or less cordate at the base, 2 to 3V inches wide, about 5 inches long, 

 cinereous-canescent on the lower side, petioles about half the length of the leaf 

 blades; corymbs spreading; radiate sterile flowers not numerous, their calyx lobes 

 roundish, obtuse; stamens loug-exserted ; capsules small, crowned by the 2 or 3 

 erect-spreading styles. 



Carolinian area. Tennessee. Georgia. 



ALABAMA : Mountain region, Tennessee Valley. Shaded rocky banks and ravines. 

 Tuscaloosa County. Lauderdale County, Florence, banks of the Tennessee River. 

 June, 1892. 



Resembles the mountain forms of Hydrangea arborescens with broad, cordate leaves, 

 pale beneath ; recognized, however, at first sight by its more robust habit of growth, 

 the cinereous close pubescence of the lower side of the leaves, the more widely 

 spreading cymes, the obtuse round calyx lobes of the ray flowers, and the conspic- 

 uously exserted stamens. 



Type locality: " Western slopes of theAllegheiiy Mountains, Tennessee and Geor- 

 gia." 



Herb. Geol. Surv. Herb. Mohr. 



Hydrangea quercifolia Bartram, Travels, 382, t. 7 (ed. 2, 380). 1791. 



OAK-LEAF HYDRANGEA. SEVENBAKK. 



Ell. Sk. 1 : 510. Chap. Fl. 155. 



Carolinian and Louisianian areas. Georgia and Florida to Louisiana. 



ALABAMA : Mountain region to Coast plain. Wooded hillsides, ravines, high banks 

 of streams. Abundant throughout the mountains and lower hills. Sparsely scat- 

 tered throughout the Prairie region and Coast Pine belt. Winston, Madison, Cull- 

 man, and Tuscaloosa counties. Escambia County, Flomaton. Mobile County, shell 

 bank on Dog River. Flowers white, April, May. Shrub 4 to 6 feet high. 



Economic uses: Ornamental and cultivated. The bark, " sevenbark," is used in 

 domestic medicine. 



Type locality: Region of the Ocmulgee River, southern Georgia. 



Herb. Geol. Surv. Herb. Mohr. 



ITEA L. Sp. PI. 1 : 199. 1753. 



One species, southern Atlantic North America. 

 Itea virginica L. Sp. PI. 1 : 199. 1753. VIRGINIAX ITEA. 



Ell. Sk. 1 : 293. Gray, Man. ed. 6, 174. Chap. Fl. 155. 



Carolinian and Louisianian areas. Southern New Jersey along the Atlantic slope 

 to Florida and throughout the Gulf States to Louisiana and Arkansas. 



ALABAMA: Tennessee Valley to the Coast plain. Shaded wet borders of streams, 

 most common in the Lower Pine region and Coast plain. Lauderdale. Culhnan, Mout- 



f ornery, and Mobile counties. Flowers white; end of May, June. Shrub 4 to 6 feet 

 igh; common. 



Type locality: "Hab. in Virginia." 

 Herb. Geol. Surv. Herb. Mohr. 



DECUMARIA L. Sp. PI. ed. 2, 2 : 1663. 1763. 



Two species, China. Southeastern North America 1. 

 Decumaria barbara L. Sp. PI. ed. 2, 2 : 1663. 1763. CAROLINA DECUMAKIA. 



Decumaria sarmentosa Ell. Sk. 1 : 534. 1817-21. 



Ell. Sk. I.e. Gray, Man. ed. 6, 174. Chap. Fl. 155. 



Carolinian and Louisianian areas. Southern Virginia (Dismal Swamp), along the 

 Atlantic slope to Florida, and throughout the Gulf States to Louisiana. 



