CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 805 



*59. Viola Gucullata, Ait. 

 60. Viola pubescenSj Ait. 



1873. July. Pembina. Woods. 

 *61. Viola Nuttallii, Pursli. 

 *62. Viola pedata, L. 



DEOSEEACE^. 



*63. Drosera longifolia, L. 



HYPEEICAOE^. 



*64. Hypericum Scouleri, Hook. 



CARYOPHYLLACE^. 



*65. Silene antirrMna, L. 

 *66. Silene Douglasii, Hook. 

 *67. S:lene longifolia, Muhl. 



68. Arenaria lateriflora, L. 



1873. July. Pembina, in thickets. 



69. Arenaria siricta, Mx. 



1874. August. Milk Eiver. In fruit. 

 *70. Arenaria nardifoUa, Ledeb. 



*71. Arenaria pung ens, Nutt. 

 72. Stellaria longifolia, Muhl. 



1873. July. Pembina. 

 *73. Cerastium nutans, Eaf. 

 *74:. Cerastium oblongifolium, Torr. 



MALVACE^. 



75. Malvastrum coccineum. Gray. 



1873. August. Abundant along Mouse Eiver on dry plains. 



1874. July, August. Frenchman's Creek, Milk Eiver. 



76. Spliceralcea acerifolia, Nutt. 



1874. August. Base of Eocky Mountains. In flower. 



LINAGES. 



77. Linum perenne, L. 



1873. July, August, September. Common all the way on the 

 plains from Pembina to Mouse Eiver. 



1874. Missouri Coteau to base of Eocky Mountains. 



78. Linum rigidum, Pursh. 



1874. July. Frenchman's Creek. 



GEEANIACE^. 



*79. Geranium CaroUnianum, L. 

 *80. Geranium Fremontiij Torr. 



