762 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Ceresa bubaltts, Say, on Apples, &c. The following caterpillars or 

 their eggs or pupae : Clisiocampa americana, Harr. ; Hyphantria cunea, 

 Dru. ; Brown-tail moth, Mineola indiginclla, Zell. ; the white -marked 

 Tussock moth, Gipsy moth, AUophila pometaria, Harr. ; Paleacrita ver- 

 nata, Peck ; Peach tree-borer, Peach twig-borer, "Bag-worm," and a few 

 other smaller caterpillars. Beetle grubs, eggs or pupae. Apple tree-borer, 

 Pear tree-borer, Bark beetle, Apple twig-borer, Pear blister-mite. 



Fruits may be infested with Codlin moth (in Apple, Pear, or Quince), 

 Apple maggot (Rhagoletis pomonella, Walsh), Cherry fruit fly (Rliagoletis 

 clngulata,'Loe i w), Plum weevil (also in Peach and Cherry), Quince weevih 

 Pear midge (Diplosis pyrivora, Riley). — F. J. C. 



Insect PestS for 1899 (Joum. S.E. Agr. Coll. Wye, No. 9 ; April 

 1900). — Gives history of the Asparagus Beetle (Crioceris asparagi). 

 Lime dusting keeps in check, and is said to benefit plants. Vines 

 attacked by mealy bug have been fumigated with cyanide with successful 

 results — bugs destroyed, vines uninjured. In vinery of 3,825 cubic feet 

 capacity, amount used : cyanide 27 oz., acid 40 oz., water 60 oz., 

 temperature 60°. — J. C. E. K. 



Insects : Their Effect on Health in Rural Districts. By L. 0. 



Inward (U.S.A. Dep. Agr. Farmers' Bull. 156; 16 figures ; 1902).— A 

 recapitulation of the theory of the transmission of malarial and yellow 

 fever by the bites of certain mosquitoes from one person to another, and 

 of the spread of typhoid-fever germs by the agency of house flies, with a 

 plea for the suppression of these diseases by sanitary and other precau- 

 tions in country or malarial districts. — M. L. H. 



Introduced Plants (Beih. Bot. Cent. bd. xii. ht. 1, pp. 44-54). — 

 Dr. F. Hock continues his list of foreign plants which have settled in 

 Middle Europe during the last fifty years. This paper contains the 

 names of the Composites, and adds fifty-eight to the 312 species already 

 recorded.— G. F. S.-E. 



Ipomoea. By A. B. Rendle (Joum. Bot. 473, p. 190; 5/1902).— 

 Descriptions of two new species, I. Ommannci, collected at Johannes- 

 burg in the Transvaal, by Mr. H. T. Ommanney, and I. Barrett i, collected 

 in the Orange River Colony by Captain G. C. H. Barrett-Hamilton, from 

 specimens in the National Herbarium. — G. S. B. 



Ipomoea rubro-caerulea. By Marc Michell (Rev. Ilort. pp. 336-7 ; 

 coloured plate ; July 16, 1902). — Introduced by seed from Mexico ; 

 1,000 metres altitude. Temperate house. Illustration represents a 

 pretty blue Convolvulus flower like a self-coloured C. major. Highly 

 recommended. — C. T. D. 



Iris alata. By Ch. Sprenger (Rev. Hort. pp. 392-4 ; one woodcut 

 illustrating flower ; August 16, 1902).— An interesting article on natural 

 habitat, soil, culture, and propagation as effected in Italy, with a descrip- 

 tion of several varieties, the writer cultivating more than thirty-five 

 magnificent ones ; now quite hardy in France. — C. T. D. 



