438 



TETRADYNAMU SILiaUOSA. 



531. TURRITIS. Gen.pI.lCg5. 



hevigala. ], T. folils glabris, radicalibus obovaris serratis, raulinis lan- 



ceolato-linearibus integerrimis amplexicaulibus. IVilld. 



sp.pl. 3. p. 543. 

 On rocks: Pensylvania to Viigin'a ; rare. ^. May, 



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



foot higli. 

 ctataf 2. T. pubescens ; foliis radicalibus petiolalis ovatis denta- 



tis obtusis, caulinis amp!exicaul:bus oblongis serratis 



acutis. 

 On rocks: Pensylvania to Virginia. ^. ISIay, June. 



Eeserables T. hirsuta. 



552. BRASSICA. Gen. pi. IOQQ. 



I^apus. 1- B. radice eaulescente fusitbrmi, foliis laevibus, supe- 



rioribus cordato-lanceolatis amplexicaulibus, inferiori- 

 bus jyratis dentatis. If^illd. sp.pl. 3. p. 547- 



Icon. E/igl. hot. 2140. 



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

 gin. ^ . May, June. v. v. 

 Rapa. 2. B. radice eaulescente orbicular! depressa carnosa, foliis 



radicalibus lyratis scabris, caulinis integerrimis laevibus. 

 IFilUl. sp. pi. 3. p.54S. 



Icon. Eiii^l. lot. 2176. 



Turnips are likewise apparently indigenous. 



533. DENTARIA. Gen. pi. lOS/. 



laciniata, !• D. foliis ternis ternatis, foliolis tripartitis lineari-oblongis 



incisis dentatis, radicis tuberibus moniiiforraibus. — 

 Willd. sp.pl. 3. p. 479. 



D. concatenata. Mich.Ji. amer. 2. p. 30. 



In shady mountainous situations : New England to Ca- 

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

 purple, 

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



oblongis in-equaliter inciao-dentalis, radice dentata. — 

 Mich.Ji. amer. 2. p. 30. 



Icon. Bot. mag. 1465. 



In shady beech-woods, on high mountains : Pensylvania 

 to Carolina. "2/ . May, June. v. v. Flowers pale 

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



