11 
L 
2~4 
72. D. cuneifolia, Nutt. Wbitloe Grass. -z c 
Chicago, April, 1875, Babcock, in Northwestern University Herbarium. 
Probably a waif. (B. P.) 
78. D. yerna, L. Wbitloe Grass. Nailwort. 
Sandy soil of the lake shore; rare. May-Jmy. (B. P.) 
South Evanston. Ten or a dozen specimens were collected in this 
locality in 1882; few, if any, being found from that time until 
1886, when several were exhibited by students of the Northwestern 
University. 
ALYSSUM, Tourn. 
74. A. maritimum, L. Sweet Alyssum. 
Occasionally found near gardens, from which it has escaped. (B. P.) 
75. A. calycinum, L. Alyssum. 
Evanston. Near Garfield Park, Chicago, where it had evidently 
escaped cultivation. At Woodlawn and Morgan Park, it has been 
reported as growing spontaneously. (B. P.) 
C AMELIN A, Crantz. 
76. C. sativa, Crantz. False Flax. 
Near Evanston, Boltwood, Johnson ! (B. P.) 
NASTURTIUM, R. Br. 
77. N. officinale, R. Br. True Cress. 
Brooks and ditches; not common. June — July. 
Local throughout the district. TV /yj 
N. palustre, L> c. Marsh Cress. 
Swamp; not common. June — Aug. (B.) 
Niles. South Chicago. Calumet Region. 
Pods usually ovoid to elliptical, rarely oblong. 
79. N palustre, D C., var. hispidum, Gray. 
Wet places; infrequent. June — July. (B. P.) 
Hyde Park and south. 
80. N. laeustre, Gray. Lake Cress. 
Aquatic; rare. July. (B.) 
South Chicago. South branch Chicago river, 1875-87, Bastin . 
81. N. armoracia, Fries. Horseradish. 
Moist grounds, an escape from cultivation ; infrequent. 
SISYMBRIUM, Tourn. 
82. S. canescens, Nutt. Tansy Mustard. 
Near Miller’s, Indiana. 
Hegewisch, Indiana, Hill. (B.) 
< 
78. 
