536 



UMBELLIFERAE. 



[VOL. II. 



i. Cicuta maculata L,. Water Hemlock. 



Musquash Root. (Fig. 2694.) 



Cicuta maculata L. Sp. PI. 256. 1753. 



Cicuta virosa var. maculata Coult. & Rose, 



Rev. Umb. 130. 1888. 



Stout, erect, branching, 3-6 high, the 

 stem marked with purple lines. Roots 

 several, fleshy, tuberiform, ovoid, or oblong; 

 leaves petioled, bipinnate, or tripinnate, the 

 lower often i long, and on long petioles, the 

 upper smaller; leaf-segments lanceolate, or 

 lance-oblong, coarsely and sharply serrate, 

 I '-5' long, their veins apparently ending in 

 the notches; umbellets many- flowered; pedi- 

 cels unequal, i"-\" long in fruit; fruit ovate, 

 or oval, \"-\yt" long. 



In swamps and low grounds, New Brunswick 

 to Manitoba, south to Florida and New Mexico. 

 Poisonous. Called also Spotted Cowbane, ami 

 Beaver- poison. June-Aug. / 



2. Cicuta bulbifera L,. Bulb-bearing 

 Water Hemlock. ( Fig. . 2695. ) 



Cicula bulbifera L. Sp. PI. 255. 1753. 



Erect, slender, much branched, i-$% 

 high. Roots few, fleshy, tuberiform. Leaves 

 petioled, 2-3 pinnate, the upper ones less 

 divided, smaller, and bearing numerous 

 clustered bulblets in their axils; leaf-seg- 

 ments linear, sparingly serrate with distant 

 teeth, ft'-ift' long; fruit broadly ovate, 

 slightly more than i" long, seldom formed 

 along the southern range of the species. 



In swamps, Nova Scotia to Delaware, west to 

 Manitoba, Indiana and Iowa. Ascends to 2600 ft. 

 in the Catskills. July-Sept. 



37. DERINGA Adans. Fam. PI. a: 498. 1763. 



[CRYPTOTAENIA DC. Mem. Omb. 42. 1829.] 



Perennial glabrous herbs, with 3-divided leaves, and compound irregular umbels of 

 white flowers. Involucre and involucels none. Calyx-teeth obsolete. Petals inflexed at the 

 apex. Stylopodium conic; fruit oblong, laterally compressed, glabrous. Carpels nearly terete, 

 the ribs equal, obtuse; oil-tubes solitary in the intervals and also beneath each rib. Seed- 

 face flat or nearly so. [Said to be named for Deering or Dering.] 

 A monotypic genus of eastern North America and Japan. 



i. Deringa Canadensis (L.) 

 Kuntze. Honewort. (Fig. 2696.) 



Sison Canadense L,. Sp. PI. 252. 1753. 



C. Canadensis DC. Mem. Omb. 42. 1829. 



D. CanadfnstsKuntze, Rev. Gen. PI. 266. 1891. 



Erect, rather slender, freely branching, 

 i-3 high. Lower and basal leaves long- 

 petioled,3-divided,thc segments thin, ovate, 

 acute or acuminate at the apex, sharply 

 and irregularly serrate, incised, or some- 

 times lobed, i '-4' long, the lateral ones 

 nearly sessile and oblique at the base, the 

 terminal one abruptly narrowed into a 

 margined incised stalk; upper leaves nearly 

 sessile; umbels 4-10- rayed; fruit narrowed 

 at both ends, 2 // -3 // long, often curved. 



In woods, New Brunswick to Minnesota, 

 south to Georgia and Texas. Ascends to 4200 

 ft. in North Carolina. June-July. 



