CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 819 



*399. Pentstemon procerus, Dong. 

 *400. Pentstemon puhescens, Soland. 



401. Mimulus luteus, L. 



1874. August. Milk Eiver. 

 *402. Mimulus Lewisii, Pursb. 

 *403. Mimuhis ringenSy L, 

 *404. Gratiola Virginiana, L. 

 *405. Vero7iica Americana, Schwein. 



1874. August. Milk River. 

 *406. Veronica alpina, L. 

 *407. Veronica peregrina, L. 

 *408. Gerardia purpurea, L. 

 *409. Castilleia coccinea, Spring. 



410. Castilleia pallida, Kunth. 



1874. August. Base of Eocky Mountains. 



410^ Castilleia pallida, Kunth,, var. miniata. 



1874. August. Milk River. 

 *411. Castilleia sessiliflora, Ph. 

 *412. Rliinanthus Crista-Galli, L. 

 *413. Pedicularis Canadensis, L. 

 *414. Pedicularis hracteosa, Bentb. 

 *415. Melampyrum Americanum, Mx. 



416, Orthocarpus luteus, ISutt. 



1874. July. I^ear Three Buttes. 



VERBEI^ACBJa. 



417. Verbena hracteosa, Mx. 



1874. July. Frenchman's Creek. 

 *418. Verhena hastata, L. 



LABIATE. 



419. Mentha Canadensis, L. 



1873. August. Along Mouse Eiver. 



1874. August. Frenchman's Creek. 

 *420. Lycopus sinuatus, Gray. 



*421. Lycopus Virginicus, L. 



422. Monarda fistulosa, L. 



1873. August. Turtle Mountain. 

 422^. Monarda fistulosa, var. mollis. 



1874. August. Frenchman's Creek. 



423. Lophanthus anisatus, Benth. 



1873. August. Near Turtle Mountain. 



424. Dracocephalum parviflorum, Nutt. 



1873. August. Turtle Mountain. 

 *425. Physostegia Virgiana, Benth. ->^ 



