eal 
¥452. 
453. 
454, 
*455. 
456. 
457. 
*458. 
*499. 
*460. 
*461. 
*462. 
463. 
464. 
465. 
466. 
467. 
468. 
*469. 
*470, 
*471. 
#472, 
CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 
SOLANACEZE. 
Physalis viscosa, L. 
Solanum rostratum, Dunal. 
1874. July. Frenchman’s Creek. 
Solanum triflorum, Nutt. 
1874. July. Prairies, Frenchman’s Creek. 
GENTIANACE. 
Halenia deflexa, Griseb. 
Gentiana affinis, Griseb. 
1874. August. Milk River. 
Gentiana Amarella, L. 
1874. August. Rocky Mountains. 
Gentiana acuta, Mx. 
Gentiana Andrewsii, Griseb. 
Gentiana crinita, Froel. 
Gentiana detonsa, Fries. 
Gentiana Menziesti, Griseb. 
Gentiana puberula, Mx. 
1873. September. Mouse River. 
APOCYNACEAE. 
Apocynum androsemifolium, L. 
1873. July. Pembina, in thickets. 
Apocynum cannabinum, L. 
821 
1873. July. Very abundant in thickets. The fibre used by 
the Indians for cordage. It may eventually have some eco- 
nomic value. 
1874. July. Missouri River. 
ASCLEPIADACEAs. 
Asclepias ovalifolia, Dec. | 
1873. July. Pembina, in woods. 
Asclepias speciosa, Torr. 
1873. August. Plains near Turtle Mountain. 
1874. July. Wet places along Frenchman’s Creek. 
Asclepias verticillata, L. 
1873. July. Pembina. 
Asclepias incarnata, L. 
Asclepias variegata, L., var. minor, Hook. 
Asclepias viridiflora, Ell. 
ARISTOLOCHIACE A. 
Asarum Canadense, L. 
