424 PLANT LIFE OF ALABAMA. 
ALABAMA: Central Pine belt to the Coast plain. Rieh wooded bottoms. June; 
frequent. Common south of the Central Pine belt. 
Economic uses: The leaves valuable for braiding. 
Type locality: ‘In Carolina.” 
Herb. Geol. Surv. Herb. Mohr. 
SERENOA Benth. & Hook. Gen. Pl. 3:926, 1883. 
A single species, Southern Atlantic States. 
Serenoa serrulata (Michx.) Benth. & Hook. Gen, Pl. 3:926. 1883, Saw PALMETTO. 
Chamaerops serrulata Michx. Fl. Bor. Am. 1: 206. 1803. 
WM. Sk.1:431, Chap. FL. 438; ed. 3, 462. 
Louisianian area, South Carolina to Florida, west to Louisiana. 
ALABAMA: Coast plain. Sandy flat pine barrens, on the islands and all over the 
Coast plain. June; frequent. Shrub. 
Economie uses; The ripe drupes are used medicinally; the fiber of the stems is 
used in place of hair in plaster; brushes are made from the roots, and tannin is 
extracted from the leaves, 
Type locality: ‘‘Hab.in maritimis Carolinae et Georgiae.” 
Herb, Geol. Surv. Herb, Mohr. 
RHAPIDOPHYLLUM IH. Wendl. & Drude, Bot. Zeit. 34:803. 1876. 
One species. Southeastern North America. 
Rhapidophylum hystrix IH. Wendl. & Drude, Bot. Zeit. 34:03, 1876. 
Blur PALMETTO, 
Chamaerops hystrix Fraser; Pursh, 1.1:240. 1814. 
Chap, FI, 438; ed. 3, 463, 
Carolinian and Louisianian areas. South Carolina, Florida. 
ALABAMA: Southern edge of Metamorphic hills. Low shady woods. Lee County, 
Auburn (Harle § Tracy, 1899). Only locality known in the State. 
Type locality: “Near the town of Savannah, Georgia,” 
ARACEAE. Arum Family. 
ACORUS I.. Sp. P1.1:324. 1753. 
Two species, temperate regions, Europe, Asia; North America, 1, 
Acorus calamus L. Sp. Pl.1:324. 1753. Sweer FLAG. CALAMUS, 
El. Sk. 1:403. Gray, Man. ed.6,551, Chap. FI. 442. 
Canadian zone to Louisianian area. Canada to Saskatchewan and through the 
United States east of the Mississippi River, west to Nebraska and Kansas. 
EUROPE, 
ALABAMA: Scattered over the State. Border of swamps. Mobile and Montgomery 
counties, Perennial. 
Economic uses: The root forms the ‘sweet lag root” or Calamus” of the U.S. 
Pharmacopaia. 
Type locality: “Hab.in Europae * ~*~ fossis paludosis.” 
Herb. Geol. Surv. Herb. Mohr. 
ORONTIUM I. 8p. Pl.1:521. 1753, 
Single aquatic species. Atlantic North America, 
Orontium aquaticum L. Sp. P1l.1:321. 1753. GOLDEN CLUB. 
EM. Sk.1:404, Gray, Man. ed.6,551. Chap. Fl, 442. 
Alleghenian to Lousianian area. Southern Massachusetts to Florida, west to east- 
ern ‘Texas and southern Missouri. 
ALABAMA: Over the State. In still-flowing water; ponds. Clay County, Shin- 
bone Valley, 1,000 feet. Cullman County. Mobile County, February 15. Common. 
Perennial. 
Type locality: “Hab. in Virginiae, Canadae paludibus seaturiginibus,” 
Herb, Geol. Surv. Herb. Mohr. 
