146 THE AMERICAN MIDLAND NATURALIST. 
Lesquerella arenosa (Rich.) Rydb. May 5; Apr. 12, 1920 at 
Minot. 
Lupinus argenteus Pursh. In flower a few days at Hettinger, 
June 13, 1918. 
Lupinus pusillus Pursh. In flower a few days at Hettinger, 
June 138, 1918. 
Lygodesmia juncea (Pursh.) D. Don. SKELETON WEED. 
June 25. 
Malvastrum coccineum (Pursh.) A. en FALSE MALLOW. 
June 15 (17). 
Meriolix serrulata (Nutt.) Walp. ae 15. 
Mertensia lanceolata (Pursh.) DC. May 5; Apr. 12, 1910 at 
Minot. 
Musineon divaricatum (Pursh.) C. & R. Full Hower at Willis- 
ton. June 4, 1918. 
Opuntia polycantha Haw. PRICKLY PEAR. June 30. 
Oreocarya glomerata (Pursh.) Greene. In flower for some 
days at Williston. June 4, 1918. 
Orophaca caespitosa (Nutt.) Britton. Minot, Apr. 12, 1910. 
Oxytropis lambertii Pursh. PURPLE Loco. June 5 
Oxytropis splendens Doug]. SHowy Loco. June 30, North- 
ern parts of the State. 
Parnassia palustris L. July 5. 
Paronychia sessiliflora Nutt. June 25. 
Pentstemon albidus Nutt. WHITE BEARDTONGUE. June 5 (5). 
Pentstemon angustifolus Pursh. In flower for some days at 
Williston, June 4, 1918. 
Phacelia leucocarpa Torr. In flower some days at Bowman, 
June 20, 1918. 
Phlox hoodii Rich. *Moss PHLOx. May 5; Apr. 12, 1910 at 
Minot. 
Picradeniopsis oppositifoliia (Nutt.) Rydb. First flowers at 
Bowman, June 25, 1918. ane 
Plantago eriopoda Torr. May 10, 1910 at Hankinson. 
Polygala alba Nutt. WHITE MILKWoR?T. June 15. 
Potentilla concinna Rich. May 10; Minot and vicinity. 
Ranunculus aquatilis L. June 10. 
Ranunculus glaberrimus Hook. Apr. 19, 1913 at Marmarth. 
--*The word “moss” appears so frequently in popular names for this 
plant that this name is suggested, 
