PARSLEY FAMILY. 647 
Herb. Geol. Surv. Herb. Mohr. 
Type locality: ‘‘Hab.in Europae cultis, agris, ruderatis.” 
Economic uses: An extremely poisonous herb, the ‘‘Conium” of the United States 
Pharmacopeia. 
SIUM L.Sp. Pl.1:251. 1753. 
About 10 species, temperate regions. Europe, South Africa. North America, 3. 
Sium cicutaefolium 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, Contr. Nat, Herb. 2: 146. 
EASTERN Russia, NORTMERN 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 (J. G. Gmel. Fl. Sib.) :. ‘‘Nascitur ab Obo fluvio in omni ulteriori 
Sibiria tam humidis quam siccis locis.” 
Herb. Geol. Surv. Herb. Mohr. 
APIUM L. Sp. Pl. 1: 264. 1753. CELERY. 
Fourteen species, Europe. 
Apium ammi (L.) Urban, Fl. Bras. 11, pt.1:341, 4.92. 1879. Marsi PARSLEY. 
Sison ammi L. Sp. Pl. 1: 252. 1753. 
Heliosciadium leptophyllum DC. Prodr. 4:105. 1830. 
Apium leptophyllum F. Muell.; Benth. Fl. Austral. 3: 372. 1866. 
Chap. FL. ed. 3, 178> Coulter, Contr. Nat. Herb. 2:147. Griseb. Fl. Brit. W. Ind. 308. 
West Inpres, MEx1co 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 ZIZI1A. 
Smyrnium cordatum Walt. Fl. Car.114. 1788. 
Thaspium trifoliatum var. apterum Gray, Man. ed. 2, 156, 1856. 
Ell. Sk. 1:359. Gray, Man. ed. 6,208. Chap. FI. ed. 3, 180. 
Carolinian area. West Virginia along the Alleghenies to Georgia. 
ALABAMA: Mountain region. Richshady 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. P1l.1:255. 1753. 
About 12 species, temperate Europe, Asia, Mexico. North America, 8. 
Cicuta curtisii Coult. & Rose, Contr. Nat. Herb. 7: 97. 1900. 
’ Alleghenian to Louisianian area. Southern Virginia, southern Kentucky, North 
Carolina (altitude 4,500 ft.) to Florida and Louisiana. 
ALABAMA: Over the State. Inswamps. Talladega County, Sylacauga (Pollard § 
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. 
(CRYPTOTAENIA DC. Mém. Omb. 42. 1829.) 
One species. 
Deringa canadensis (L.) Kuntze, Rev. Gen. Pl.1:266. 1891. HORNWORT. 
Sison canadense L, Sp. Pl.1:252. 1753. 
Chaerophyllum canadense Crantz, Class. Umb. 79. 1767. 
