ARUM FAMILY. 425 



PELTANDRA Eaf. Journ. Phys. 89 : 103. 1819. 



Two species, ptiludial perennials. Southeastern North America. 



Peltandra sagittifolia (Miclix.) Morong, Mem. Terr. Club, 5 : 102. 1894. 



White Arrow- Arum. Wild Calla Lily. 



Calla sar/itti folia Michs. Fl. Bor. Am. 2 : 187. 1803. 



Calladium qlaucum Ell. Sk. 2 : 631. 1821-24. 



Peltandra alba Raf. New. Fl. N. Am. 1 : 88. 1836. 



Xanlliosoma sar/ittifolia Chap. Fl. 441. 1860. Not Schult. 



Ell. Sk. I.e. Gray, Man. ed. 6, 550. Chap. Fl. 441; ed. 3, 465. 



Louisianian area. North Carolina to Florida, along the Gulf coast to Mississippi. 



Alabama: Coast region. Boggy borders of pine-barren streams. Mobile and 

 Baldwin counties. Flowers in June. Spadix white, fruit scarlet. July to August; 

 not rare. 



Type locality: " Hab. in paludosis Georgiae et Floridae." 



Herb. Geol. Surv. Herb. Mohr. 



Peltandra virgiiiica (L.) Kunth, En um. 3:43. 1841. Green Arum. 



Ai'iim rirginicum L. Sp. PL 2 : 966. 1753. 



Peltandra midulata Raf. Journ. Phys. 89 : 103. 1819. 



Calla virglnica Michx. Fl. Bor. Am. 2 : 187. 1803. 



Ell. Sk. 2 : 630. Gray, Man. ed. 6, 550. Chap. Fl. 440. 



AUeghenian to Louisianian area. Ontario; New England, west to Michigan; 

 lower Ohio Valley, south to Florida and Louisiana. 



Alabama: Tennessee Valley. Central Pine belt to Coast plain. Low muddy 

 places. Most abundant near the coast. Mobile County. Tuscaloosa County {E.A. 

 Smith), Flowers in April ; green. Common. 



The whole plant is acrid. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



ARISAEMA Mart. Flora, 14 : 459. 1831. 



About 50 species, perennials, of temperate and subtropical regions. Eastern Asia, 

 North America. Atlantic North America, 2. 



Arisaema quinatum Schott, Syn. Aroid. 28. 1856. 



Arum quinatum Nutt. Gen. 2 : 222. 1818. 



Arum pohjmorphum Buckl. Am. Journ. Sci. 45 : 173. 1843. 



Arisaema lyohimorphum Chap. Fl. 440. 1860. 



Ell. Sk. 2 : 629. Chap. Fl. ed. 3, 464. 



Carolinian and Louisianian areas. North Carolina, Georgia. 



Alabama: Mountain region. Upper division Coast Pine belt. Rich wooded 

 hillsides. Winston County, Colliers Creek, altitude 1,300 feet. Clarke County, Choc- 

 taw Corner, altitude 250 feet. Flowers April, May. Spathe white. Infrequent. 



Distinguished from Arum triphfiUiim by the quiuate or 8ubqninat3 second leaf, by 

 the acute, rather slender (not inflated), spathe, and by the slender spadix tapering to 

 the obtuse (not clavate) apex. 



Type locality : "In Georgia; — Br. Baldwi/n." 



Arisaema triphyllum (L.) Torr. Fl. N. Y. 2 : 239. 1843. Indian Turnip. 



Arum tri2}hyllum L. Sp. PI. 2 : 965. 1753. 



Ell. Sk. 2 : 629. Gray, Man. ed. 6, 549. Chap. Fl. 440. 



AUeghenian to Louisianian area. Nova Scotia and Ontario; New England, west 

 to Minnesota, south to the Ohio Valley, Florida, and Louisiana. 



Alabama: Over the State. Rich wooded hillsides, copses. Winston County, 1,500 

 feet. Clay, Cullman, Tuscaloosa, Clarke, Mobile, and Baldwin counties. April, May ; 

 not common. 



The plant with leaves of 5 segments from the mountains of Winston County is 

 found too closely connected with the type by forms from Clarke County, with 

 the lateralleaflets more or less deeply two-])arted, to be considered distinct. 



Economic uses: The root, known as "Indian turnip," is used medicinally. 



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



Herb. Geol. Surv. Herb. Mohr. 



