438 TETRADYNAMIA siliguosa, 



531. TURRITIS. Gen.pI.lGg5. 



laevigata. i , T. foliis glabris, radicalibus obovatis serratis, caulinis lan- 



ceolato-linearibus integcrrimis amplexicaulibus. IVilLd. 

 sp.pl. 3. p. 543. 

 On rocks : Pensylvania to Virginia ; rare. ^ . May, 

 June. V. V. Very smooth and glaucous^ about a 

 foot higli. 



ova!a. 2. T. pubescens ; foliis raLlicalibus petiolatis ovatis denta- 



tis obtusis, caulinis amptexicauhbus oblongis serratis 

 acutis. 

 On rocks: Pensylvania to Virginia. (^ . May, June.- 

 Resembles T. hirsuia. 



£32. BRASSICA. Gen. pi. IO96. 



Napus. 1- B. radice caulescenfe fusiformi, foliis Isevibus, supe- 



rioribus cordato-lanceolatis amplexicaulibus, inferiori- 

 bus lyratis dentatis. IVilld. sp.pl. 3. p. 547. 



Icon. Ergl. hot. 2] 46, 



Rape frequently is found wild, but is of European ori- 

 gin. (3^ . May, June. v. v. 



Rapa. 2. B. radice caulescente orbiculari depressa carnosa, foliis 



radicalibus lyratis scabris, caulinis integerrimis laevibus. 

 li^'illd. sp. pL 3. p.543. 

 Icon. E?igl. hot. 2176. 

 Turnips are likewise apparently indigenous. 



533. DENTARIA. Geji. pi. los;. 



ladniaia, 1- ^- foliis ternis ternatis, foliolis tripartitis lineari-oblongis 



jncisis dentatis, radicis tuberibus moniliformibus. — 

 Willd. sp.pl.3. p.47Q. 



D. concatenata. Mich.Jl. uvier. 2. p. 30. 



In shady mountainous situations : New England to Ca- 

 rolina. 1/. May, June. v. v. Flowers large, pale 

 purple. 



diphylla. 2. D. caulibus approximate diphyllis, foliolis ternis ovato- 



oblongis inaequaliter inciso-dentatis, radice dentata. — 

 Mich.Jl. (line?-. 2. p. 30. 



Icon. Bot. mag. 1465. 



In shady beech-woods, on high mountains : Pensylvania 

 to Carolina. 1/. May, June. v. v. Flowers pale 

 red, with a tinge of yellow. The roots of this plant 



