CO 



HORTICULTURE 



July 19, 1919 



H. E. FROMENT 



Wholesale Conmnssion Florist 

 Choice Cut Flower* 



■ •- Iddran. 141 West t*ta Bt, NKW IOU 



BN, 1M1, Haauurn Sqomr*. 



i — WM. P. FORD 1 



Wholesale Florist 



107 W. 28th Street, NEW YORK 



Telephone 5335, Fsrrarat. 



Call and Inspect the Beet Battbllsment 



is the Wholesale Flower District. 



WALTER F. SHERIDAN 



Wholesale Commission Dealer in 



CHOICE CUT FLOWERS 



133 Wee* J58th Street, Men York 

 TekepkMMii.it ■rtfttt-ttttl' Madison Square 



GEO. C. SIEBRECHT 



WHOLESALE FLORIST 

 io» \*/kst astr. s~r 

 CONSIGNMENTS SOLICITED 



.o8/s 4BRlflIT , NBW YORK 



raoH, {»o?( ,AMAaOT 



E. G.HILL CO. 



Wholesale Florists 



REED (SI KELLER 



IBS West 26th St., New York 



Florists' Supplies 



We manufacture all our 



Mitai Designs, Basket., Wire Were & Novelties 



and are dealers In 



Decorative Glassware, Growers and 



Florists' Requisites 



THE KERVAN CO 



Out 



Hlfheet Standard of Quality. Tail— < 

 Stoek In Amwrtea. Writ* ft* lUaatratea 

 Catalec ef Greens and Florists' Supplies 



119 W. 28th St., - - NEW YORK 



WILLIAM H. KUEBLER 



Brooklyn's Foramost and Best 



WHOLESALE COMMISSION HOUSE 



* First Class Market far a88 CUT FLOWERS 



% Willoughb , St BrooklTS No I. 



WE WANT MORE SHIPPERS 



We baye a numerous clientage of New 



York City buyers and the demand ex< Is 



our supply. This is especially true of 

 Roses. We haye eyery facility and abund- 

 ant means and best returns are assured 

 Tor slock consigned to us. 



Address Your Shipments to 



UNITED (IT FLOWER CO., INC. 



Ill W. iStli St., New York 



1». J. Pappag, l*res. 



HENRY M. ROBINSON CO. OF NEW YORK 



WHOL 



The Houie for Quality and Scrviee 



ZECH & MANN 



*g~ Wc are Wholesale Florists Doing 

 a Strictly Wholesale Business 



30 East Randolph Street, CHICAGO 



MICHIGAN CUT FLOWER 

 EXCHANGE, Inc. 



WHOLESALE COMMISSION FLORISTS 



Oissl—iali Sids H is 

 Hardy Fancy Fern Our Specialty 



1U RANDOLPH ST., DETROIT, MICK. 



William F. Kasting Co. 



Who I •»»■.! «3 Florists 

 SGS 570 WASHINGTON STREET - BUFFALO, N. Y. 



proportions of newly pulverized cyan- 

 ide required for each dish. Set one of 

 these (open) close to where each dish 

 is to be placed. Then place in each 

 dish, the proper proportion of water 

 first, then add the proper proportion 

 of sulphuric acid and set each dish 

 in its position on the floor of the 

 greenhouse. Make sure then that the 

 door for exit is all right for getting 

 out of the house quickly. Start at the 

 farther end of the house from the exit 

 and pour the powdered cyanide out of 

 the bag into the farthermost jar. 

 Work your way back as quickly as 

 possible until all the jars have re- 

 ceived the cyanide, taking care not to 

 inhale any fumes. Then get out of 

 the door quickly and close it tightly. 

 See that no one goes into the house 

 for at least an hour. An hour's ex- 

 posure is usually enough to kill the 

 adult fly, or the house can be left 

 closed up until the next morning. I 

 have found an all night exposure the 

 most successful if you are satisfied 

 the temperature, etc., in the house is 

 all right. 



In the morning collect up the paper 

 bags and burn them, also wash out 

 and bury any sediment left in the 

 dishes. 



Three applications at intervals of 

 about ten days will effectually rid the 

 house of either white fly or black 

 aphis. The successive fumigations as 

 mentioned will kill off any of the 

 adult white fly that escaped previous- 

 ly, as well as those that were in a 

 larva or egg state, and that have 

 hatched out since the previous appli- 

 cations. The larva or egg of the white 

 fly cannot be destroyed effectually un- 

 less far advanced, and by using 

 double the quantity of the materials 

 as given per thousand cubic feet of 



space. Doubling the quantity in this 

 way will often injure many of the 

 more tender plants, other than those 

 I have mentioned. The double quan- 

 tity of % oz. cyanide, 1 oz. sulphuric 

 acid and 2 oz. of water per thousand 

 cubic feet space may be used to kill 

 "tbrip" on carnations, and also to kill 

 the black aphis on chrysanthemums. 

 Full blown flowers of carnations 

 should, however, be cut before using 

 it, as it sometimes bleaches the flow- 

 ers. With chrysanthemums it is best 

 to fumigate before the flowers open 

 and not after the flowers open. 



Strong fumigations with aphis punk 

 or tobacco stems will kill the black 

 aphis, but is not as effective as 

 cyanide for exterminating the white 

 fly. Unless the fumigation with 

 tobacco for white fly is very heavy, it 

 only stupifies them and does not kill 

 them. Spraying the plants with cold 

 water the next morning after fumigat- 

 ing is advisable. 



Note. — Be careful not to use jars or 

 vessels for any other purpose after 

 once used for cyanide. Keep the 

 cyanide in closely sealed jars, w T ith 

 glass stoppers, as exposure to the air 

 weakens and wastes it. Be careful to 

 keep cyanide away from children and 

 animals, especially when pulverizing 

 it, as the smallest particle is a power- 

 ful, deadly poison. 



COMING MEETINGS. 

 Toronto, Can. — Canadian Horticul- 

 tural Association convention Aug. 12, 

 13, 14 and 15. 



Detroit, Mich.— S. A. F. and O. H. Con- 

 vention at Acadia Hall, Aug. 19, 20 

 and 21. Secretary, John Young, 1170 

 Broadway, N. Y. City. 



