Index to Recent Literature 57 



Gould, C. N. Jack 



N. 1900. 



Graves, C. B. Sora 



World, 3 : 165-167. 



Impatiens 



biflora. Rhodora, 2: 234, 235. D. 1900. 



Greene, E. L. A Fascicle of new Arnicas. Pittonia, 4 : 159-174. 8 

 D. 1900. 



Twenty-four new species proposed. 



Greene, E. L. A Decade of new Gentianaceae. Pittonia, 4: 180— 

 186. 8 D. 1900. 



New species in Gentian a, Swertia, and Frasera. 



Greene, E. L. Studies in the Cruciferae. — III. Pittonia, 4 : 187-207. 

 8 D. 1900. 



New species in Arabis (17), C heir an thus, Sophia, Thelypodium, Thysanocarpus, 



and Cardamine (4). A new genus Abdra proposed, founded on Draba brachycarpa 

 Nutt. 



Greene, E. L. Neglected generic Types. — II. Pittonia, 4 : 207-212. 



8D. 



1900. 



Halerpestes, Peritoma, Celome, Carsonia, and Aldenella, new genera. 



Greene, E. L. Some Rocky Mountain Asters. Pittonia, 4 : 212-224 



8D. 



1900. 



Eighteen new species proposed. 



Greene, E. L. Corrections in Nomenclature. — III. Pittonia, 4 : 224- 

 226. 8 D. 1900. 



Greene, E. L. A Fascicle of Senecios. Pittonia, 4 : 108-110. 2 Ja. 

 1900; 111-124. 10 Ja. 1900. 



oixteen new species and several new names and combinations proposed. 



Greene, E. L. New species of Coleosanthus. Pittonia, 4 : 124-126. 



Jo Ja* 1900. 



Four new species proposed. 



Greene, E. L. A Decade of new Pomaceae. Pittonia, 4 : 1 27-131. 

 2 Mr. 1 90c. 



New species in Amelanchier (5) and Sorbus (5). 



Greene, E. L. A Fascicle of new Papilionaceae. Pittonia, 4 : 132-139. 



2 Mr. 



1900. 



New species in Lupinus (9), Trifolium (3), Hedysarum and Ther?nopsis. 



Greene, E. L. Notes on Violets. Pittonia, 4: i39- J 42. pt* 12. 2 

 Mr. 1900. 



Viola Missouriensis, sp. nov. 



Greene, E. L. Some new or critical Ranunculi. Pittonia, 4 M*~ 

 *46. 2 Mr. 1900. 



*our species and two varieties proposed as new. 



