VOL. XXXI February, 1930 No. 362 



\ JOURNAL 



OF 



The New York Botanical Garden 



FURTHER NOTES ON IRIS TROUBLES 



B. O. Dodge and Marjorie E. Swift 



THE NEW SPECIES HEMEROCALLIS MULTIFLORA 



A. B. Stout 



CHRONICLE OF EASTERN AMERICAN IRIS 



John K. Small 



THE PLANTING OF STAHLIA ON ARBOR DAY IN PORTO RICO 



N. L. Britton 



WHAT FERNS GROW BEST IN THE HOUSE 



Ralph C. Benedict 



THE TUMORS OF PLANTS AND HOW THEY DIFFER FROM 

 ANIMAL CANCER 



Michael Levine 



CONFERENCE NOTES FOR DECEMBER 



CONFERENCE NOTES FOR JANUARY 



NOTES, NEWS, AND COMMENT 



ACCESSIONS 



Published for the Garden 



At Limb and Green Streets, Lancaster, Pa. 

 The Science Press Printing Company 



Entered at the post-office in Lancaster, Pa., as second-class matter. 



Annual subscription $1.00 Single copies 10 cents 



Free to members of the Garden 



