VOL. 36 JULY, 1909 NO. 7 



BULLETIN 



\ 



OF THE 



TORREY BOTANICAL CLUB 



Ctiitor 



r 



MARSHALL AVERY HOWE 



John Hendley Barnhart Tracy Elliot Hazeh 



Jean Broadhurst William Alphonso Murrill 



Philip Dowell Charles Louis Pollard 



Alexander William Evans Herbert Maule Richards 



CONTENTS 



The mildews of the cereals . . GEORGE M. REED 355 



On the characters and relationshifs of the Platanaceae. (Plate 23.) 



ROBERT F. GRIGGS 389 



Notes on Rosacea*— H, . . . - . . Per AXEL RYDBERG 397 



What {3 Convallam odomta Mill. ? G, CLARIDGE DRUCE 409 



INDEX TO AMERICAN BOTANICAL LITERATURE .,....,... 4" 



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PUBUSHCD FOR THE CUU« 



rwC MCW ERA PIWHTIMC COMFAMT 



^.XNCAftrCR. PA. 



