NOTES AND ABSTRACTS. 
411 
The more important commercial varieties are the ' Eureka,' ' Lisbon,' and ' Villa 
Franca.' The ' Eureka' variety originated from a seedling in Los Angeles about 
i860. Many important strains have since been developed by propagation of 
bud varieties, and these may influence the habit of the trees' growth, the charac- 
teristics of the foliage and blossoms, and the desirable qualities (colour, shape, 
size, texture, juiciness) of the fruits. 
The present paper was an endeavour to determine the behaviour of the trees 
of the different strains, and to isolate and propagate the superior varieties by 
careful bud selection. Exhaustive data of each tree were kept and the various 
characteristics developed after grafting. The results show that great improve- 
ments follow grafting by carefully selected buds which have been placed upon 
trees bearing large crops throughout a number of years. As a result of these 
investigations a department of bud selection has been established by the fruit- 
growers of the State whereby reliable bud wood from record lemon trees may be 
obtained by all growers. — A. B. 
Coccidae affecting Various Genera of Plants, A List of. By E. E. Green, 
F.E.S.. F.Z.S. {Ann. Appl.BioL vol. 5, No. 2, Oct. 1918, pp. 143-156).— Continued 
from vol. iv. p. 239. From Laburnum- Phenacoccus to Pyrus-Lepidosaphes ulmi. 
R. C. S. R. 
Coccidae, affecting Various Genera of Plants, A List of. By E. E. Green, 
F.E.S., F.Z.S. [Ann. Appl. Biol. vol. 5. Nos. 3 and 4, April 1919, pp. 261-273). 
— Continued from vol. v. p. 156. From Quercus monophlebus to Zuccagnia- 
Lecanium. 
A number of observations conclude the list. — R. C. S. R. 
Codling Moth in Walnuts, The. By H. J. Quayle {Mth. Bull. Dep. Agr., 
California, 9, March 1920, pp. 64-69; 2 figs.). — The mode of attack of this 
pest on Walnuts is described. The moth is recorded as attacking Walnuts in 
France, South Africa, and California, and appeared in the last two places almost 
simultaneously. The life-history is similar to that on the Apple. 
Larvae hatching out in early spring enter the calyx end of the nut, and, 
until the middle of July, usually bore towards its centre. Those hatching out 
later, after the nuts have attained some size, enter where two nuts are in contact. 
Banding trees is only a partial check. Spraying and dusting with lead arsenate 
(preferably basic or neutral, otherwise injury is easily done to the trees) is 
effective where two applications are made. — G. F. W. 
Coelogyne integerrima Ames. By R. A. Rolfe {Bat. Mag. t. 8856, Sept. 
1920). — Native of Philippines. Flowers yellowish green, with a yellow scarlet- 
striped entire obtuse lip. It requires a tropical temperature. — F. J. C. 
Compidosoma tortricis, Sp. N., On a new Polyembryonic Encyrtid (Chal- 
cidoidea) bred from the Strawberry Tortrix Moth. By J. Waterston [Ann. A pp. 
Biol. vol. vii. no. i, Sept. 1920, pp. 1-5; 5 figs.). — During investigations into 
the life-history of the strawberry tortrix moth, Oxygrapha comariana, a small 
chalcid was reared which proved to be a new species. A detailed description is 
given in the text. — G. F. W. 
Conifers on the Riviera. By A. R. Proschowsky [Rev. Hort. vol. xcii. p. 75). 
— The Aleppo Pine, Pinus excelsa, P. canariensis, P. Laricio, P. radiata, Picea 
Morinda, Cedrus Deodara, Cupressus sempervirens, C. lusitanica, C. guadala- 
pensis, C. macrocarpa, Cryptomeria japonica, Araucaria excelsa, A. Bidwilli, 
and Podocarpus, Cephalotaxus , Thuyopsis dolobrata, and the Junipers thrive on 
the Riviera in calcareous soil. Unfortunately Pinus canariensis and P. radiata 
are seriously damaged by the ravages of the procession caterpillar. — 5. E. W. 
Coreopsis elegans. By M. Houssy {Le Jard. vol. xxxiv. p. no; i fig.). — 
This hardy annual deserves a place in every garden. It is invaluable for cut 
flowers, as it is very floriferous. The yellow flowers have purple discs. — S. E. W . 
Cornus Kousa Buerg. By W. J. Bean [Bot. Mag. t. 8833 ; March 1920). — 
A Chinese and Japanese species forming a flat-topped small tree. It is quite 
hardy, and the Chinese form figured has four white bracts surrounding the 
inflorescence, each 2 inches long by about i inch in diameter. — F. J. C. 
Cotoneaster serotina Hutchinson {Bot. Mag. t. S854, Sept. 1920). — A small 
tree allied to C. turbinata and C. glaucophylla, but it has smooth berries and green 
leaves. It is perfectly hardy and flowers late, its panicles of scarlet fruits 
ripening about Christmas. A great acquisition. Collected by Forrest in \\'cst 
China.— F. /. C. 
