
543. 
544. 
*545. 
546. 
* 547. 
548. 
*549. 
*500. 
551. 
502. 
#553. 
* 504. 
*555. 
*556. 
*O07. 
—*558. 
*559. 
560. 
*561. 
562. 
563. 
564. 
CHICKERING ON PLANTS OF DAKOTA AND MONTANA, 
NAIDACEA. 
Potamogeton pectinatus, L. 
1873. August. Near Turtle Mountain. 
Potamogeton marinus, L. 
1873. August. Near Turtle Mountain. 
Potamogeton natans, L. 
Potamogeton perfoliatus, L., var. lanceolatus. 
1874. August. Near Turtle Mountain. 
Potamogeton pusillus, L. 
ALISMACEA. 
Alisma Plantago, L. 
1874. July. Frenchman’s Creek. 
Triglochin maritimum, L. 
Triglochin palustre, L., var. elatum. 
Sagittaria variabilis, Eng. 
1873. August. Mouse River. 
1874. July. Frenchman’s Creek. 
ORCHIDACEZ. 
Habenaria hyperborea, R. Br. 
1874. August. Rocky Mountains. 
Habenaria bracteata, R. Br. 
Habenaria psycodes, Gray. 
Spiranthes cernua, Rich. 
Calopogon pulchellus, BK. Br. 
Cypripedium pubescens, Willd. 
AMARYLLIDACE. 
Hypoxis erecta, L. 
IRIDACEA. 
Iris versicolor, L. 
Sisyrinchium Bermudiana, L., var. anceps. 
1873. July. Pembina. 
Sisyrinchium mucronatum, Mx. 
SMILACEZ. 
Smilax herbacea, L. / 
1873. July. Pembina. 
LILIACEZE. 
Zygadenus glaucus, Nutt. 
1873. July. Pembina. 
Zygadenus Nuttallii, Gray. 
1874. June. Prairie along Missouri River. 
825 
