THE PLANT WORLD 



A MONTHLY JOURNAL OF POPULAR BOTANY. 



F. H. KNOWLTON, Ph.D., Editor, U. S. National Museum, Washington, D. C. 



ARTICLES AND NOTES ON ANY SUBJECT OF INTEREST TO PLANT-LOVERS ARE SOLICITED, AND SHOULD 



BE ADDRESSED TO THE EDITOR. 



Subscription Price, $1.00 per annum. ^ Advertising Rates upon Application. 



WILLARD N. CLUTE & CO., PubUshcrs, - - BINGHAMTON, N. Y. 



Entered at the postoffice, Binghamton, N. Y., as second-class mail matter. 



For the plate in the last number illustrating Mrs. Britten's article 

 on Ophioglossum, we are indebted to the Bulletin of the Torrey Botan- 

 ical Club. 



* 

 With this number Dr. Alexander W. Evans begins an introduc- 

 tion to the study of the Hepaticae. The principal types of the group 

 will be taken up successively in the same thorough manner. This will 

 be an indispensable aid to those who would begin the study of this 



somewhat difficult but exceedingly interesting group. 



* * 



Mr. Charles Louis Pollard has been obliged to discontinue his 

 series of articles on the " Families of Flowering Plants " with the end 

 of the Monocotyledons. It is his intention to publish the complete 

 series in book form, with proper illustrations, at an early day. It will 

 be a valuable presentation of the characters and peculiarities of the 



flowering plants, and in popular language. 



* * 

 * 



The Biological Society of Washington, at its meeting on February 

 26, held a symposium on the "Teaching of Biology." The speakers 

 included distinguished naturalists of the so-called old school, and in- 

 vestigators and educators of the new or younger school. The discus- 

 sion took quite a wide range, but the concensus of opinion appeared 

 to be that the modern method of teaching biology in schools, colleges 

 and universities tended to extinguish the true natural history spirit. 

 The value of histology, embryology, morphology, cytology, etc., was 

 not underestimated, but it was regretted that it seemed to make so 

 few botanists and zoologists. Several of the papers will be printed in 

 this journal. 



* 

 Under the title of "School Gardens," Mr. H. L. Clapp has an 



interesting and suggestive article in the February number of the 



Popular Science Monthly. It describes the garden, first undertaken 



