1896.] Vegetable Physiology. 61 



Sciences we have Pollination of Cucurlwts. IM.-ea.-es <>t Plants at Ames 

 in 1894, and Distribution of Some Weeds in the I'nited States, hy 

 Professor L. H. Pammel — Dis^emin itiun oi I'l mt- chiefly In their 

 Seeds, is the title of a pamphlet of fifteen ptgei bated upon the speei- 



and after her death presented to Kadditle College. It will prove to he 

 very suggestive to those who wish to prepare similar collections. — "A 



land by their Leaves," and"' Ferns and Evergreen* of New England,"' 

 are two pamphlets by Edward Knohcl. which deserve to he widely used 

 in the public schools. They consist of good figures of the leaves, which 

 should make it possilde tor even the non-h.itaiiical teacher to direct the 

 attention of children to the trees and ferns. They are sold hv Brad lee 

 Whidden of Boston for fifty cents each.— We may notice here the 

 beautiful photogravures of fungi issued by C. G. Lloyd, of Cincinnati. 

 Ohio; the last numbers are Coprinut oomatm, Onte i buht m pulffare, 

 Lyeoperdon separans and Urnula craterium. — Professor T. A. Williams 

 has published (Bulletin 43, Agricultural Experiment Station) a paper 

 upon the Native Trees and Shrubs of South Dakota, in which he lists 

 37 trees and 80 shrubs. Of these, twelve trees and thirteen shruhs are 

 found in all regions of the State. In the Black Hills, a small region 

 including not more than one-eighth of the whole area of the State, no 

 less than eighty-two of the one hundred and seventeen trees and shruhs 

 are found. — Professor MacDougal writes on Botanic Gardens in the 

 October Minnesota Magazine. A halftone illustration of the Botanic 

 Institute at Leipzig, and another of the Botanic Garden at Buitenzorg, 

 Java, accompany the paper. 



VEGETABLE PHYSIOLOGY. 

 Changes Due to an Alpine Climate.— For ten years M. Gas 

 ton Bonnier, of Paris, has carried on experiments in various parts o 

 France to determine just what changes occur in plants when they :1 r< 

 transported from the lowlands to high elevations. These are de 

 scribed in a bulky paper in Annates des Sciences Satureltes: Botaniqnt 

 Se. VII. T. -". Nos. 4, 5, 6, entitled Eecherches experimentales su 

 l'adaptation des plantes au climat alpin. Plants of many genera wen 

 removed from the plains, the roots or root-stocks divided into equal 

 parts, and these parts set in sim 



soil and s 

 housaud metres, in the Alps and the Pyrenees, 



