COMPLETE YOUR LIBRARY! 



THE MORE BOOKS YOU HAVE THE BETTER 

 YOU CAN UNDERSTAND THE FERNS. 



The Ferns and Fern Allies of New England. Dodge; 16-mo., 70 pages. 

 Price, postpaid (cloth), 50c; with new subscription to the Fern Bulletin, 

 75c. Price in paper, 315c. ; with new subscription to Fern Bulletin, 60c. 



A Fern Book for Everybody. Cooke; 12-mo., 124 pages. Price, postpaid 

 (cloth), 50c; with new subscription to Fern Bulletin, 80c. 



Our Native Ferns and Their Allies. Underwood; 12-mo., 150 pages. Price 

 postpaid (cloth), $1.00; with new subscription to Fern Bulletin, $1.20. 



Ferns in Their Homes and Ours. Robinson; 12-mo., 200 pages. Price, post- 

 paid (cloth), $1.50; with new subscription to Fern Bulletin. $1.60. 



Illustrated Flora of the Northern United States and Canada. Britton and 

 Brown; Royal 8vo., cloth 



Vol. 1, 612 pages, 1425 illustrations, price postpaid $3.25. 

 Vol. 2, 634 pages, 1467 illustrations, price postpaid $3.25. 



A year's subscription to t he Fern Bulletin given with each volume ordered. 

 The two volumes and a subscription to the Fern Bulletin, sent postpaid 

 for $6.25. 



A Text=book of General Lichenology , Schneider; 8vo., 230 pages, 76 full page 

 illustrations, price (in cioth), $4.25, net: paper $3.80, net; postage, 25 

 cents. With new subscription to the J : ern Bulletin, cloth $4.60; paper, 

 $4.10, postpaid. 



The Fern Collector's Handbook and Herbarium, 8vo., 75 pages: illustra- 

 tions of every eastern American fern. Price postpaid (cloth ), $2.25; with 

 new subscription to Fern Bulletin, $2.40. 



***Full descriptions of any of the above mailed for a 2-cent stamp. 

 Address all orders to 



THE FERN BULLETIN, 



Binghamton, N. V. 



A MONOGRAPH^ 



OF THE NORTH AMERICAN SERIES OF 



THE GENUS POLYGONUM, 



By JOHN K. SMALL, Ph. D. 



This work treats exhaustively of the Morphology. Anatomy, Paleon- 

 tology, and Geographical Distribution of the Polygonums. It also contains 

 descriptions of the sub-genera and species, with keys for the identification. 



One hundred and seventy-eight pages of text and 85 full-page plates, 15 

 of which are devoted to the anatomy of the plants. Kvery species in North 

 America is illustrated Quarto. Price (cloth) $6.00 net. A subscription to 

 the Fern Bulletin sent free with each order. Address 



THE FERN BULLETIN, 



Bioghamton, N. Y. 



MISS MARGARET SLOSSON, of Pittsford, Vt., in exchange for living 

 plants or fresh fronds — preferably perfect ones, showing the develop- 

 ment of the fern from the simple leaflet of the young plant to the mature 

 sterile and fertile fronds— of 6, 27, 32, 48, 55, 56, 65, 88, 8g, 91, 92, 96, 102, 122, 127, 

 131, 136, 141, 157, 158, 159, 160, 165, 166, 169, and Phegopteris calcasea; will send 

 fresh or dried specimens of 2, 36, 41, 67, 68, 86, 90, 93, 101, 107, 108, no, in, 114, 

 20, 128, 133, 138, 139, 142, 144, 145, 147. 1511 1521 i54> i55i J 56, 163; and for 88, 89, 

 xi, 102, 157, 158. 165, will send also plants of Aspichium cristatum * marginal. 



