HITCHCOCK PLANTS OF AMES. IOWA. 4S5 



CRUCIFEE.E. 



Dentaria laciniata, Mulil. in Willd. Spec. ili. 

 Rich woods ; not uncommon. 

 Most abundant along Skunk river. 



If Dentaria is referred to Car dam in e, this becomes Cardamine laciniata 'Muhl.) 

 Wood, Bot. & Fl. 1S71. 



Cardamine eulbosa, (Schreb.) B. S. P. Cat. — Arabis bulbosa, 



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

 rings and ditches ; frequent. 

 C. plexdosa, With. Bot. Arr. Brit. PI. 3d ed. 1796.— C. hirsuta, L., 

 van 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. So. ix. 1SS9). 



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



L. Spec. 



Rocky woods; infrequent. 

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

 labelled A. laevigata, belongs here. 



A. Canadensis, L. Spec. 



Rocky woods; infrequent. 

 Hoggatt's woods; Skunk river. 



A. dentata, Toit. & Gray, Fl. i. p. SO.— Sisymbrium dentatvm, 

 Short. PI. Ky. 3d suppl. 1S37 (name only). 

 Low ground: scarce. 



Squaw creek north of College. 



Draba Caroj.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. 



Aiyssum calycinum, L. Spec. 



"Ames— Bessej." Specimen in I. A. C. herbarium. 

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

 vum. L. Spec. 



Waste places ; scarce. Occasionally occurs along the railroad. 

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

 Nasturtium, L. Spec. 



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

 slaughter-house. 



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



Wet places ; rare. 



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

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