92 BERBERIDACEAE. [Vol.. II. 



4. JEFFERSONIA Bart. Trans. Am. Phil. Soc. 3: 342. 1793. 



Glabrous herbs, with basal palmately-veined or palmately-lobed leaves, and solitary white 

 flowers borne on slender scapes. Sepals 4, petaloid, caducous. Petals 8, flat, longer than 

 the sepals. Stamens 8; anthers dehiscent by valves. Pistil I, many-ovuled. Capsule leath- 

 ery, pyriform, half-circumscissile near the summit. Seeds oblong, arillate. [In honor of 

 Thomas Jefferson.] 



A genus of 2 species, one native of eastern North America, the other of Mantchuria. 



i. Jeffersonia diphylla (L. ) Pers. 

 (Fig. 1645.) 



Twin-leaf. 



Podophyllum diphyllum L. Sp. PI. 505. 1753. 

 Jeffersonia binata Bart. Trans. Am. Phil. Soc. 3: 312. 1793. 

 Jeffersonia Bartonis Michx. Fl. Bor. Am. x: 237. 1803. 

 Jeffersonia diphylla Pers. Syn. x: 418. 1805. 



Erect, 6'-8' high when in flower, attaining i6'-i8' in fruit. 

 Leaves glaucous beneath, long-petioled, cordate or reniform, 

 3 / -6 / long, 2'-4' wide, parted longitudinally into 2 obliquely 

 ovate obtuse lobed or entire divisions; lobes rounded, the 

 sinuses sometimes 9" deep; scape naked, i -flowered; flowers 

 white, about i' broad; petals oblong; stigma peltate, undu- 

 late; capsule about i' long, short-stipitate. 



I 



In woods, eastern Pennsylvania, western New York and On- "5" 

 tario to Wisconsin, south to Virginia and Tennessee. Ascends 

 to 2500 ft. in Virginia. May. Called also Rheumatism Root. 



5. PODOPHYLLUM L. Sp. PI. 505. 1753. 



Erect herbs, with horizontal poisonous rootstocks, large peltate palmately lobed leaves, 

 and solitary white flowers. Sepals 6, petaloid, fugacious. Petals gh-6, flat, obovate, longer 

 than the sepals. Stamens as many or twice as many as the petals; anthers linear, longitudi- 

 nally dehiscent. Pistil I (rarely several), many-ovuled, forming a large fleshy berry in fruit. 

 Seeds numerous, obovate, enclosed in fleshy arils. [Greek, foot-leaf.] 



A genus of about 4 species, one native of eastern North America and Japan, the others Asiatic. 



i. Podophyllum peltatum L. May 



Apple. Wild Mandrake. 



(Fig. 1646.) 



Podophyllum peltatum 1.. Sp. PI. 505. 1753. 



Erect, i-i# high. Basal leaves centrally 

 peltate, nearly i in diameter, long-petioled, 

 deeply 5-7 -lobed, glabrous, or pubescent and 

 light green on the lower surface, darker above; 

 lobes 2-cleft and dentate at the apex; flowering 

 stems appearing from different rootstocks, bear- 

 ing 1-3 similar leaves, or occasionally leafless; 

 flower white, stout-ped uncled, nodding, 2' broad, 

 appearing from the base of the upper leaf and 

 generally from immediately between the two 

 leaves; fruit ovoid, yellowish, 2' long, edible. 



In low woods, western Quebec and throughout 

 southern Ontario to Minnesota, south to Florida, 

 Louisiana and Texas. Ascends to 2500 ft. in Vir- 

 ginia. Also known as Wild Lemon and Hog Apple. 

 May. 



