AMAEANTH FAMILY. 491 



Alabama: Ovei- the State. Cultivated ground. July to October. Abundant. 

 A most troublesome weed. Annual. 

 Type locality : " Hab. in Indiis." 

 Herb. Geol. Snrv. Herb. Mobr. 



Amaranthus graecizans L. Sp. PL 2 : 990. 1753. Tumbleweed. 



Ainaranthus albus L. Sp. PI. ed. 2, 2 : 1404. 1763. 



Gray, Man. ed. 6, 428. Coulter, Contr. Nat. Herb. 2 : 3.59. Chap. Fl. 380. 



Mediterranean region of Europe, Mexico. 



AUegheniiui to Louisianian area. Ontario to British Columbia ; southern New 

 England and New York to Pennsylvania, thence to Louisiana, Texas, and Arkansas. 



Alabama: Found only on ballast. Mobile County. J aly, August; rare. Annual. 



Type locality : " Hab. in Virginia." 



Herb. Geol. 8nr\ . Herb. Mohr. 



Amaranthus deflexus L. Mant. 2 : 29.5. 1771. Low Amaranth. 



Emolus detiexus Raf. Fl. Tell. 3 : 42. 1836. 



Britt. & Br. 111. Fl. 1 : 590. Chap. Fl. ed. 3, 400. 



Brazil, Peru, Southern Europe, Afrua. 



Alabama: Adventive on ballast. Mobile County. September, 1891. Annual. 

 Also observed in Pensacola, Fla. 



Type locality not given. 



Herb. Geol. Surv. Herb. Mohr. 



Amaranthus muricatus Moq. in DC. Prodr. 13, pt. 2 : 276. 1849. 



Muricate Amaranth. 

 Peru, Brazil. 



Alabama: Fugitive from Snuth America, on ballast. Mobile County. Septem- 

 ber, 1891. Annual. 



Type locality: " Prope Mendoza (Gillies!) et Buenos-Ayres (Tweedie!)." 

 Herb. Geol. Surv. Herb. Mohr. 



SCLEROPUS Schrad. Ind. Sem. Hort. Goett. 1835. 



One 8])ecies, West Indies, Florida. 



Scleropus crassipes (Schlecht.) Moq.in DC. Prodr. 13, pt. 2 : 271. 1849. 



Amaranth-like Scleropus. 

 Amaranthus crassipes Schlecht. Linnaea, 6 : 757. 1831. 

 Scleroi)us amarantoides Schrad. Ind. Sem. Hort. Goett. 1835. 

 Chap. Fl. 381. Griseb. Fl. Brit. W. Ind. 68. 

 West Indies, Mexico, PepvU. 

 Louisianian area. Southern Florida. 



Alabama : Fugitive on ballast. Mobile County. October, 1892, 1893. Annual. 

 Type locality: "In locis pahidosis ad rivulos insulao Sti. Thomae." 

 Herb. Geol. Surv. Herb. Mohr. 



ACNIDA L. Sp. PI. 2 : 1027. 1753. 



Four or 5 species, North America, West Indies. Coarse paludial herbs. 

 Acnida caunabina L. Sp. PI. 2 : 1027. 1753. Water Hemp. 



Ell. Sk. 2: 694. Gray, Man. ed. 6, 429. Chap. Fl. 381. 



Alleglienian to Louisianian area. Southern New England, alongthe coast to Florida, 

 Mississippi, and eastern Louisiana. 



Alabama: Coast plain. Margin of brackish marshes. Mobile County, month of 

 Dog River, One-mile Creek, 5 to 6 feet high, October 8, 1896. Not frequent. Annual. 



Type locality : " Hab. in Virginia paludibus salsis." 



Herb. Geol. Surv. Herb. Mohr. 



ALTERNANTHERA R. Br. Prodr. Fl. Nov. TToll. 417. 1810. 



A vaguely limited genus of about 16 species, of the subtropical and tropical zones. 

 Southeastern Atlantic North America, 4. 



Alternanthera polygonoides R. Br. Prodr. Fl. Nov. Hoi. 417. 1827. 

 (iompJu-ena 2}oJi/tio)wides L. Sp. PI. 1 : 225. 1753. 

 Telaiithera pohiqonoides Moq. in DC. Prodr. 13, pt. 2: 363. 1849. 

 Chap. Fl. 383. " Griseb. Fl. Brit. W. lud. 67. 



