II 



much, for the results are definite and given in the briefest and yet the 

 most comprehensive manner. 



When engineers publish results of experiments, they express the con- 

 ditions for, and the results of, their experiments by means of mathemat- 

 ical formula- as much as possible, and the tendency among botanists is to 

 the same practice, for with the great amount of literature that is pub- 

 lished annually, the putting the gist of the matter into the most concise 

 and comprehensive form is becoming indispensable. 



On the fertilization and development of the embryo in senecto am; F.I 

 By 1>. M. Mottier. 



Distribution ok the North American cactaceje. By John M. Coulter. 



March a Nil a polymorpha, jcot a typical or representative liverwort. 

 Bv L. M. Underwood. 



How a tendril coils. By D. T. Mai Dougal 



Forestry exhibit of Indiana at the Columbian Exposition. By Stanley 

 Coulter. 



Notes on certain plants of southwestern Indiana. By John S. Wright. 



This report is based upon about two weeks of field work done during 

 the latter part of September, 1892, in the extreme southwestern part of 

 the state, by D. T. MacDougal and J. S. Wright. This region is known as 

 the "pocket" and owing to its peculiar peninsular position has an over- 

 lap of a northern and a southern flora. 



Notes were made upon the distribution and condition of nearly 200 

 forms. 



