#59. 
60. 
Bel. 
*62. 
*63. 
*64, 
*65. 
*66. 
*6T. 
. Arenaria lateriflora, L. 
795. 
76. 
77. 
*79. 
*80 
CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 805 
Viola cucullata, Ait. 
Viola pubescens, Ait. 
1873. July. Pembina. Woods. 
Viola Nuttallii, Pursh. 
Viola pedata, L. 
DROSERACEZ. 
Drosera longifolia, L. 
HYPERICACEA. 
Hypericum Scouleri, Hook. 
CARYOPHYLLACEA. 
Silene antirrhina, L. 
Silene Douglasii, Hook. 
Silene longifolia, Muhl. 
1873. July. Pembina, in thickets. 
. Arenaria stricta, Mx. 
1874, August. Milk River. In fruit. 
70. Arenaria nardifolia, Ledeb. 
. Arenaria pungens, Nutt. 
. Stellaria longifolia, Muhl. 
1873. July. Pembina. 
. Cerastium nutans, Raf. 
. Cerastium oblongifolium, Torr. 
MALVACEZ. 
Malvastrum coccineum, Gray. 
1873. August. Abundant along Mouse River on dry plains. 
1874. July, August. Frenchman’s Creek, Milk River. 
Spheraleea acerifolia, Nutt. 
1874. August. Base of Rocky Mountains. In flower. 
LINACEZ. 
Linum perenne, L. 
1873. July, August, September. Common all the way on the 
plains from Pembina to Mouse River. 
1874. Missouri Coteau to base of Rocky Mountains. 
, Linum rigidum, Pursh. 
1874. July. Frenchman’s Creek. 
GERANIACEA, 
Geranium Oarolinianum, L. 
Geranium Fremontti, Torr. 
