STIGMONOSE: A DISEASE OF CARNATIONS AND OTHER PINKS. 



INTRODUCTION. 



In the course of some investigations whicli the writer conducted 

 several years aoo on a disease of the liiu'nuida lily, his attention was 

 attracted hy the siniilaritv between this disease and the one atiecting 

 carnations, and described by Arthur and Bolley^ under the name 

 "bacteriosis." As announced in a preliminary paper,' the writer car- 

 ried on extended studies of the carnation disease, Init was unable to 

 obtain results similar to those descri))ed by Arthur and Bolley. Since 

 pul)lishin(>- the paper referred to he has repeated and extended the 

 work whicih it describes and has fully substantiated his former con- 

 clusions. In view of the fact that the disease is not due to bacteria, 

 but is caused by the punctures of aphides, thrips, and occasionally of 

 red spiders, the name stioinonose,'' or puncture disease, is here sug- 

 gested as an appropriate one for the malady. 



Probal)ly the first account of the disease was that given in Dr. 

 Arthur's paper* read before the American Association for the Advance- 

 ment of Science, at its meeting at Toronto, in 1889. In this paper 

 Dr. Arthur proposed the name "bacteriosis," believing the disease to 

 be due to bacteria. 



Inasmuch as many pathologists and carnation growers remain in 

 doubt regarding the true nature of the trou))le, it is thought desirable 

 at this time to give a full account of all the work that has been done 

 on it, together with a detailed discussion of the conclusions reached by. 

 Arthur and Bolley. 



' Arthur, J. C, and Bolley, H. L., Purdue Univ. Exp. Sta. Bull. No. 59, 1896, Vol. 

 VII, pp. 29, pis. 8. 



^Bot. Gaz., September, 1897, and Centralbl. f. Bakt., Par., u. Int'ekt., 1897, 2 Abt., 

 Bd. 3. 



'Stigmonose is a combination of the two Greek words 6viyi.iy), a puncture, and 

 v66o<;, a disease, the puncture, rather than the organism producing it, being made 

 the basis of the name. 



^Arthur, J. C, Proc. Am. Assn. Adv. 8ci., 1889, Vol. XXXVIII, p. 280. 



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