HITCHCOCK — PLANTS OF AMES, IOWA. 4S5 



CRUCIFER^^. 



Dentaria LAcrxiATA, Muhl. in Willd. Spec, ili. 

 Rich woods ; not uncommon. 



Most abundant along; Skunk river. 



If Dentaria is referred to Cardamine,\.\\\i becomes Cardamine laciniata (Mulil.) 

 Wood, Bot. & Fl. 1S71. 



Cardamine BULBOSA, (Schreb.) B. 8. P. Oa^t. — Arabis bulbosa, 

 Schreb. in Muhl. Ind. Fl. Lane. 1793. 

 Springs and ditches ; frequent. 

 C. i-M.KXUOSA, With. Bot. Arr. Brit. PI. 3d ed. 1796.— C hirsuta, L., 

 var. sylvatica. Gray, Man. 5th ed. 



Springs and bogs on wooded hillsides; infrequent. 



Spring' on bank of Squaw creek north of the College, and elsewhere. 

 Comparison with European specimens shows that our plant is this rather than C 

 hirsuta, L. For notes see Britton, Contr. Herb. Columb. Col. 13, (Trans. N. Y. 

 Acad. Sci. ix. 1SS9). 



Arabis hirsuta, (L.) Scop. Cam, 2d ed. 1772,— Turrilis hirsufa, 

 L. Spec. 



Rocky woods; infrequent. 

 Skunk river, northeastof Ames. An Ames specimen in the I, A. C. herbarium, 

 labelled A. hevigata, belongs here. 



A. Canadensis, L, Spec. 



Rocky woods ; infrequent. 

 Iloggatt's woods; Skunk river. 



A. dentata, Torr. & Gray, Fl. i, p. 80.— Sisymbrium dentatum, 

 Short, Pi. Ky. 3d suppl. 1837 (name only). 

 Low ground; scarce. 



Squaw creek north of College. 



Draba Caroi.iniana, Walt, Fl, 

 Sandy places ; infrequent. 



In the gravel near Prof. Budd's house; north of the barns; and elsewhere. The 

 flowering season is short and the pods mature quickly, hence it often escapes the 

 collector. 



Aiyssuni calyciuuni, L, Spec, 



•• Ames-Bessey." Specimen in I. A. C. herbarium. 

 Camelina sativa, (L.) Crantz, Stirp, Austr, i. 1762. — Myagrum, sati- 

 vum. I>. Spec. 



Waste places ; scarce. Occasionally occurs along the railroad, 

 Nasturtium officinale, R. Br. in Ait. f. Hort. Kew, — Sisymbrium 

 Nastttrliutu, L. Spec. 



A few specimens found in 1SS3 in Hoggatt's woods, about 20 rods north of the 

 slaughter-house. 



;N, sessiliflorum, Nutt. in Torr, & Gray Fl, i. p, 73, 

 Wet places ; rare. 



Near iron bridge four miles southeast of Ames. Common in the eastern part of 



