﻿No. 134. On an abnormal Cone in the Douglas Spruce, Pseudotsuga mucronata. 



By F. E. Lloyd (1898), . ... 25 cents. 



No. 135. Two New Grasses from Van Cortlandt Park, New York City. By E. P. 



Bicknell (1898), . / ... 25 cents. 



No. 136. bel'ginella rupestris and its allies. By L. M. Underwood (1898), 



25 cents. 



No. 137. A Revision of the North American Species of Ophioglossum. By Eliza- 

 beth G. Britton (1897), 2 5 cents. 



No. 138. Studies in the Botany of the Southern United States — XIII. By J. K. 



Small (1898), 25 cents. 



No. 139. A new Southwestern Rose. By E. O. Wooton ( 1898), .... 25 cents. 



No. 140. On hypertrophied Scale- Leaves in Pinus ponder osa. By Francis E. Lloyd 



(1898), 25 cents. 



No. 141. Studies in the Asclepiadaceae — III. By Anna Murray Vail (1898), 



25 cents. 



No. 142. New American Hepaticae. By Marshall A. Howe (1^98), . . 25 cents. 

 No. 143. A Revision of the North American Eurhynchia. By A. J. Grout ( 1898), 



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No. 144. The Study of Botany in High Schools. By L. M. Underwood ( 1898), 



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Title-pages for Vols. I., II., III. IV., and V. can be supplied. 

 The series as above listed will be supplied for $15. 



Copies of the Catalogue of Plants found in New Jersey (1889) by N. L. Britton, 

 may be had for $2. Address 



Prof. L. M. Underwood, 



Columbia University, NEW YORK CITY. 



A Text-Book of General Lichenology 



With Descriptions and Figures of the Genera Occurring in the Northeastern 



United States. 



By ALBERT SCHNEIDER, M. S., M.D. 



The only modern work on North American Lichens, including a discussion of their 

 Morphology and Physiology, with a special reference to the phenomena of symbiosis. 



Large octavo, 230 pages, 76 lull-page plates. Price in paper, net, $3.80; in clotn ' 

 $4.25. Sample pages will be sent on application. 



WILLARD N. CLUTE & COMPANY, Bineham 



Curtiss' Second Distribution of 



Southern U. S. Plants. 



SERIES V.— Consisting of 200 Phaenogams and Ferns, collected in Florida 

 will be ready early in February. Also the third and last series of my 



which will comprise about 30 Species. On packages shipped via New York frC * 

 charges will be prepaid to that point. Lists furnished on application. Order 



licited for any or all of the series. Address, 



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