With two books like “Our Ferns in Their Haunts” and “How to Know the Ferns” in the field, some might think that the ground is too thoroughly covered to leave room for another, but Dr. Waters has proven otherwise in his new volume with the simple title of “Ferns.”[1] If the older books are taken as books designed for beginners, the new one may be described as one step more technical—a connecting link between popular handbook and scientific manual. In the matter of information it contains practically nothing that has not been published before, being primarily a rearrangement of what is known of our ferns and bearing internal evidence that the pages of the popular works above mentioned have supplied much help in its making. This is especially noticeable in the appropriation of original stanzas from “Our Ferns in Their Haunts,” without giving credit for them. Even when giving credit the author is not always fortunate, as when he ascribes to Miss Pratt certain lines that are Campbell’s. The book is written from the standpoint of the author’s experiences in the vicinity of Baltimore, and as such cannot always be taken as representative of ferns and fern habitats in other parts of our country. The book is also remarkable for the entire absence of author citations for the generic and specific names—in this being unique among American fern books. This will make it difficult for beginners who use this book to look up the species elsewhere. The entire subject of the authority for the names is left untouched in the part that explains why scientific names are used. There is also evident a disinclination to give credit for recent work, the usual statement being that such and such varieties “have been described,” without noting where and by whom. Since these descriptions were heretofore to be found mostly in periodicals, the desirability of mentioning their place of description is apparent. This much being said in criticism of the book, there is yet much to praise. The illustrations are well executed and include a fair proportion of views in the habitats of the ferns, while the photographs of the sori enlarged are exceptionally valuable. Anything like them have never before been published. The analytical key based on the stipes has been well and carefully worked out. It forms a very instructive chapter, though such a key will rarely be consulted by the beginner, because the usual keys are easier. The book is also of interest for the number of varieties or forms included, many of which are not mentioned in the manuals, and for numerous photographs illustrating these forms. There is also a chapter on fern photography. The nomenclature is conservative; old and well known names having been retained in spite of recently proposed substitutes. For his stand in this matter the author is to be greatly commended. The book can in no sense be considered a rival of others in the field. It fills a place of its own and as such will be hailed by the fern loving public as another aid to the proper understanding of this most beautiful and attractive section of the vegetable kingdom. Type, paper and presswork all combine to make this a handsome as well as useful book.

In the making of his “Flora of the Southeastern United States”[2] Dr. Small has practically worked over anew all the species of that region and the results of this stupendous undertaking are now presented in a bulky octavo volume of nearly fourteen hundred pages. Dr. Chapman’s flora of the same region is fairly conservative, while this one goes to the opposite extreme, being noticeable for the greatly increased number of species and an equal lack of what the older book is inclined to consider varieties or forms. This gives students a choice of books, but it is probable that a beginner will have much difficulty in identifying his plants by the aid of the new one, because of the many closely related forms described as separate species. The book will appeal more to advanced students specializing in a few orders or genera. The nomenclature is, of course, the most radical, even extending beyond the genera and species to the orders, so that new names are proposed for the LeguminosÆ, LabiatÆ, ScrophulariaceÆ and many others. Along with the segregation of species there has been a similar splitting of genera. To the individual familiar with the usual manuals the book will appear almost like the flora of a foreign land. The author, however, has been painstaking and conscientious throughout the work, adhering closely to the ideals prevalent at New York and a few other centers of botanical activity, and if he has produced a volume that will become the object of much criticism he has also produced an excellent illustration of what the recently proposed rules of nomenclature, and new conceptions of species are capable of when allowed full swing. Although not agreeing with his conclusions, even conservative botanists will appreciate the author’s consistency and he is to be congratulated upon the completion of his work. To those who prefer the less elaborate manual, Dr. Small’s book will always be indispensable for reference.

Mr. Charles T. Druery, well known on this side of the Atlantic as an enthusiastic cultivator of ferns, has issued a book devoted principally to British fern varieties, which he has named “The Book of British Ferns.”[3] In this work he has been assisted by various members of the British Pteridological Society, an association similar to our Fern Chapter, and of which Mr. Druery is president. As is well known the British fern hunter and fern cultivator is most interested in the abnormal forms of ferns, and as a result so many of these have been described that a complete list numbers more than a thousand, though there were less than seventy-five native species to begin with. Mr. Druery’s task has been to select from this list the really meritorious varieties from the cultural standpoint. To this revised list he has added papers on the culture and propagation of ferns, fern hunting, fern crossing, apospory and kindred subjects, making a volume which should be of interest to American readers for the light thrown upon fern life. The book is well printed and well illustrated, the forms shown being mostly the more striking varieties.