120 



The Florists' Review 



JuNB 1, 1922 



Lee EickenbacL has made a heavy 

 planting of gladioli this year and has 

 a good number of fine varieties. 



Clarence Thomas, previously of In- 

 dianapolis and more recently of Los An- 

 geles, Gal., passed away last week in the 

 latter city. The local tradesmen and 

 the members of the Indiana State Flo- 

 rists' Association mourn the loss of 

 their former member. Funeral services 

 will be held in Indianapolis upon ar- 

 rival of the body. E, E. T. 



A new and attractive flower shop has 

 been opened at 3010 Washington boule- 

 vard. The new store is operated under 

 the name of the Washington Flower 

 Shop. William Horn, Jr., is its man- 

 ager. Mr. Horn specialized in landscape 

 gardening at Purdue University. 



CROWN-GALL, OR PLANT CANCER. 



The most interesting bacterial disease 

 of plants is generally conceded to be 

 that known as crown-gall, or plant can- 

 cer. It is induced by a tumor-producing 

 organism, Pseudomonas tumefaciens. 

 The attention of medical men has been 

 directed to this plant disease particu- 

 larly through some striking analogies 

 to human cancer as revealed more es- 

 pecially through the elaborate investi- 

 gations of Dr. Erwin F. Smith, of the 

 bureau of plant industry, Washington, 

 D. C, says the April bulletin of the 

 Missouri Botanical Garden. Dr. Smith 

 lias demonstrated that from the primary 

 tumors produced by the bacteria, 

 there originate certain infection 

 strands, and these are pictured as grow- 

 ing through the tissues of the host, in- 

 ducing secondary tumor formation at 

 greater or less distances from the pri- 

 mary infection. It is also believed that 

 in a case where the primary infection is 

 that of a stem and the invading strand 

 enters a leaf, stem tissue will be pro- 

 duced in this secondary area. The causal 

 bacterium is able to infect a great va- 

 riety of host plants and frequently pro- 

 duces on apples, grapes, raspberries and 

 a variety of other cultivated plants cer- 

 tain characteristic swellings, usually at 

 the base of the stem on the so-called 

 crown; hence the name, crown-gall. The 

 inoculations on Paris daisy, geranium 

 and tobacco will show, however, as is 

 now well known, that aerial tumors are 

 readily produced. 



Ready-Set 

 Concrete Benches 



are easy and economical to build. 

 You can build them yourself. 



Ready-Set Improved Steel Molds 

 are so simple to operate that any 

 laborer can equal the wrork of an 

 expert. 



Ask for information on molds. 

 We also contract to erect benches 

 complete. 



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342.346 Sixtk Ave. NEWARK, N. J. 



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for 



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 We Solicit Florists' Inquiries 



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 2556-2586 Hart Ave DETROIT, MICH. 



GLASS CLOTH 



A transparent waterproof fabric aa efficient 

 as glass for hotbeds coldframes, etc., per so- 

 yd.. 35c; 25 yds at 32c; SO yds at 31c, 100 yds. 

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