NOTES AND ABSTRACTS. 



Fungous Parasites of Coccidae and Aleurodidae in Florida, 

 Utilization of. By J. R. Watson (Jour. Econ. Entom. vol. v. pp. 200- 

 204, April 1912). — The author, after recounting the experience with 

 these parasites in Florida, concludes that the results justify the 

 trial of this method of dealing with insect pests in all moist tropical 

 and subtropical countries. — F. J. C. 



Fusariums, from Cankered Cacao-bark and Nectria cancri, N.S., 

 The. By A. A. L. Rutgers (Ann. Jard. Bot. Butt., ser. ii. 

 vol. xii. pt. i., 1913, pp. 59-64; with 4 plates). — The author 

 isolated fungi from the diseased bark of fifteen different Cacao- 

 trees ; these all appear to belong to the genus Fusarium. They are 

 not the cause of cacao-canker, which is due to the attack of another 

 fungus, Phytophthora Faberi Maubl. 



The Fusariums isolated by the author fall into two groups, one 

 corresponding to F. colorans de Jonge, and the other to F. theobromae 

 Appel and Strunk. 



Not all the fifteen strains of Fusarium formed perithecia. F. 

 colorans never did, and only five strains of F. theobromae produced this 

 fruit-form. 



These perithecia appear to belong to the genus Nectria, but to con- 

 stitute a new species of this genus, which the author names N. cancri. 

 A diagnosis of the new species concludes the paper. — R. B. 



Genista hispanica (Bot. Mag. tab. 8528). — Family Leguminosae, 

 tribe Genisteae. Portugal and Spain to Liguria. Undershrub, erect, 

 spinescent, except when flowering, the shoots then have leaves f inch 

 long. Racemes dense, | inch long and wide. Corolla yellow.— £. H. 



Gooseberry Gall Midge or Bud-Deformer. By J. S. Houser 

 (Jour. Econ. Entom. vol. v. pp. 180-184, April 1912 ; plates). — This 

 insect (Rhopalomyia grossulariae) is a new pest of the gooseberry. 

 The larvae feed in the terminal buds, causing the bud scales to become 

 larger and more numerous, so that the bud assumes the form of a 

 miniature pine cone. The bud fails to produce normal leaves and 

 develops secondary buds within or about the first, which become in- 

 fested in turn, so that a large cluster of galls is produced. The buds 

 sometimes give rise to feeble shoots. The fly is very small and the 

 larva only 2 mm. long. They are to be found in the galls in the 

 spring and winter. The remedy is obviously the cutting out and 

 burning of the galls during the winter. — F. J. C. 



Graft Hybrid of Rhododendrons. By D. Bois and G. T. 

 Grignan (Rev. Hort. p. 342, Aug. 1, 1913). — On R. ' Cunningham's 

 White/ a stock generally used, was grafted the fine variety ' Madame 

 Linden' (ponticum), with the result that an unobserved shoot on the 

 stock just below the graft blossomed, producing flowers of a pale 

 rosy lilac though the scion bears white flowers and the stock deep 

 rosy lilac ones much spotted with dark red. There are also differences 

 from either plant in the leaf form, which approaches that of the scion. 



C. T. D. 



