PAESLEY FAMILY. 647 



Herb. Geol. Surv. Herb. Mohr. 



Type locality: "Hab. iu Europae cultis, agris, ruderatis." 



Economic uses: An extremely poisonous herb, the "Coniura" of the United States 

 Pharmacopceia. 



SIUM L. Sp. PI. 1 : 251. 1753. 



About 10 species, temperate regions. Europe, South Africa. North America, 3. 

 Slum cicutaefollum J. F. Gmel. Syst. 2 : 482. 1791. Water Parsnip. 



Sium lineare Michx. Fl. Bor. Am. 1 : 167. 1803. 



Gray, Man. ed. 6, 207. Chap. Fl. 162. Coulter, Coutr. Nat. Herb. 2 : 146. 



Eastern Russia, Northehn Asia. 



Throughout North America from Labrador to the Gulf: from Florida to California. 



Alabama: Coast plain. Deep marshes. Mobile County. Flowers in June; 

 locally frequent. Perennial. Four to 6 feet high, submerged leaves pinnately 

 dissected. 



Type locality (.T. G. Gmel. Fl. Sib.): "Nascitur ab Obo fluvio in omul ulteriori 

 Sibiria tam humidis quam siccis locis." 



Herb. Geol. Surv. Herb. Mohr. 



APIUM L. Sp. PI. 1 : 264. 1753. Celery. 



Fourteen species, Europe. 

 Apium ammi (L.) Urban, Fl. Bras. 11, pt. 1 : 341, t. 91. 1879. Marsh Parsley. 



Sison ammi L. Sp. PI. 1 : 252. 1753. 



Heliosciadittm leptopluillum DC. Prodr. 4 : 105. 1830. 



Apium lepiophyllum F. Muell. ; Bentli. Fl. Austral. 3 : 372. 1866. 



Chap. Fl. ed. 3, 178. Coulter, Contr. Nat. Herb. 2 : 147. Griseb. Fl. Brit. W. Ind. 308. 



West Indies, Mexico to Argentina, Chile, Australia. 



Louisianian area. Florida to Louisiana and western Texas. 



Alabama: Central Prairie region to Coast plain. A weed in damp waste places 

 and on borders of low fields. Tuscaloosa County. Flowers April, May; abundant 

 near the coast. Annual. 



Type locality : ''Hab. in Apulia, Aegypto." 



Herb. Geol. Surv. Herb. Mohr. 



ZIZIA Koch, Nov. Act. Caes. Leop. Acad. 12 : 128. 1824. 



Three species, Atlantic North America. 

 Zizia cordata (Walt.) DC. Prodr. 4: 100. 1830. Cordate-leaved Zizia. 



Smyrnium cordatum Walt. Fl. Car. 114. 1788. 



Thaspium trifoliatttm var. apterum Gray, Man. ed. 2, 156. 1856. 



Ell. Sk. 1:3.59. Gray, Man. ed. 6, 208. Chap. Fl. ed. 3, 180. 



Carolinian area. West Virginia along the Alleghenies to Georgia. 



Alabama: Mountain region. Rich shady woods. Dekalb County, Lookout Moun- 

 tain, near Mentone, 1,600 feet. Lee County. Flowers yellow; June. Rare. Per- 

 ennial. 



Type locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



CICUTA L. Sp. PL 1 : 255. 1753. 



About 12 species, temperate Euroije, Asia, Mexico. North America, 8. 

 Cicuta curtisii Coult. & Rose, Contr. Nat. Herb. 7: 97. 1900. 



Allegheuian to Louisianian area. Southern Virginia, southern Kentucky, North 

 Carolina (altitude 4,500 ft.) to Florida and Louisiana. 



Alabama: Over the State. In swamps. Talladega Conn tj-, Sylacauga (PoZ/arrfcj- 

 Maxon). Tuscaloosa and Mobile counties. 



Type locality: "Banks of streams, Duval County, Florida; collected by Curtiss." 



Herb. Geol. Surv. Herb. Mohr. 



DERINGA Adans. Fam. PL 2 : 498. 1763. 

 (Cbyptotaenia DC. M6m. Omb. 42. 1829.) 

 One species. 



Deringa canadensis (L.) Kuntze, Rev. f.en. PI. 1 : 266. 1891. HoRNWORT. 



Sison cnnadeutic L. Sp. PL 1 : 252. 1753. 

 Chaerophyllam caiiadense Crantz, Class. Inib. 79. 1767. 



