September 25, 1920 



HORTICULTURE 



243 



ROSE MIDGE 



One of our correspondents has 

 trouble with the rose midge, and asks 

 lis what to do about it. We have 

 hjoked up authorities and here is what 

 I hey siiy about It: — 



■ Tlie maggots becomes lull grown in 

 5 to 7 days then leave the rose buds 

 and complete their transformation in 

 the soil. Fumigation with hydro-cy- 

 anic acid is of value tor killing the 

 flies before egg laying; best time is 

 March — does not give such good re- 

 sults in summer. Watch plants care- 

 fully and pick off all infected parts. 

 Rotate with other crops, if that be 

 l)ossible and get new plants from dis- 

 tricts not infected." 



The maggot is microscopic and is 

 recognized first by its effect; the midge 

 lays its eggs beneath the sepals of 

 the flower bud, or between the folded 

 leaves of the leaf-bud; hatches in 2 

 days: begins to eat, and then in 5 to 

 7 days, drops to the soil, and tiecomes 

 another midge. The work of the mag- 

 got does not affect the growth of the 

 plant; but the buds fail to develop, 

 so that overgrown plants that fail to 

 flower are evidence of the presence of 

 the maggots. Very serious pest and 

 no precaution too much — even to re- 

 moving all plants and soil for a season, 

 and growing other crops. 



NASSAU COUNTY SOCIETY 



The monthly meeting of the N'assau 

 County Horticultural Society was held 

 on Sept. 9th in Pembroke Hall, Glen 

 Cove. Thos. Twigg presided, and F. 

 Faulkner, C. O. Geissler, D. Watson, 

 G. G. Ceilings and S. Button were 

 elected active members. Five peti- 

 tions for active membership were re- 

 ceived at this meeting. Frank 0. 

 Johnson received 1st for 3 sticks of 

 Celery, Joe Boler received 1st for one 

 outdoor melon, Frank 0. Johnson re- 

 ceived the thanks of the Society for 

 a plant of Cyp. Rosettii. Messrs Noon- 

 an. Barlow and Wickie did the judg- 

 ing. The schedule of the main show 

 was read and the date set for Oct. 

 28-29 in Pembroke Hall. The Dahlia 

 Show will be held on Sept. 30 and Oct. 

 1st in Pembroke Hall. There are sixty 

 four classes in the schedule and the 

 show should be a record breaker. John 

 F. Johnston and Wni. Carter received 

 the heartiest good wishes of the Socie- 

 ty, both gentlemen plan to cross the 

 pond in the near future. Exhibits for 

 the October meeting will be 6 onions, 

 25 pods of peas and 3 heads of cauli- 

 flower. 



Arthir Cook 

 Cor. Secy. 



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THE BLUE LACE FLOWER 

 Dear Sir: — M. R. Case is somewhat 

 incorrect in referring to the above as 

 a new flower bred from one coming 

 originally from Europe. Although re- 

 lated to the Carrot Daucus this plant 

 is of Australian origin like all other 

 members of the family. Formerly 

 known as Didiseus Coerulea, it is now 

 known as Trachymene Coerulea. an 

 annual introduced into Europe in 1827. 

 The other members of the family are 

 all tender evergreen plants. The 

 botanists, however, have grouped four 

 of the five other species in the genius 



Sieberia, two of them white, the other 

 two yellow. The remaining species, 

 T. pilosa is blue. 



T. A. W. 



Philip J. Lucking, \vho has been 

 gardener for C. K. G. Billings on his 

 Oyster Bay estate, has transferred to 

 Mr. Billings' estate at Santa Barbara, 

 Pal. 



R. Vincent. Jr.. & Sons Co., will have 

 their annual dahlia exhibit September 

 29th and 30th. This show always at- 

 tracts a great many visitors and is 

 well worth seeing. 



