VOL. XVI. 



March, 1891 



No. 3. 



THE 



Botanical Gazette 



EDITORS: 



JOHN M. COULTER, Wabash College, Crawfordsville, Ind. 



CHARLES R. BARNES, University of Wisconsin, Madison, Wis. 

 J. C. ARTHUR, Purdue University, Lafayette, Ind. 









CONTENTS: 



Black rust of cotton: a preliminary note —Geo. F. Atkinson . €1 



Flowers and insects. VI.— Charles Robertson t 



Notes on technique.— James Ellis Humphrey 71 



A contribution to the life history of Hydrastis Canadensis. (With plate VIU.)— Homer 



Mowers ?3 



Two uudesc bed species of Apodauthes. (With p. re IX.)— B. L. Robinson 82 



Briefer Articles. 85 I *taw« and Nr.ws SO 



Krythnea Pringleana, u. sp.: Veit Witt- 

 rock.— New specie^ of Montana fungi. 

 (With plate X.) 



Editorial . 86 



M What original work shall I do? " 



Curki t Literature I 



The grasses of dry climates.— • Minor 

 notices. 



Open L iters . - 89 



Last words on biology."— Pocket edi- 

 tion of Gray's Manual. 



'ith plate IX.)— B. L. Robinson 



Notes and Ne^ 



Personals.— Key to British moss*. — 

 Fossil woods of Arkansas — M 

 Kin. — Bavberrv wax— Clover rust — 

 Keversal of transpiration stream.— In- 

 fluence of sex in Asparagus.— Loco- 

 weeds —Origin of placenta.— L'm belli 

 ferse and insects.— CoUecto —Pine 

 tree honey. — Companion cells in Gvni- 

 oosperms.— Coloring matter of galls.— 

 Preparing ah one. — Origin of vac- 

 uoles— The otht A. A. A. S.— Physio- 

 logy of calcic oxalate. 



[ISSUED MARCH 16.1 



CRAWFORDSVILLE, INDIANA. 



IZO BY 1 E WTORS 





a- 



