NOTES AND ABSTRACTS. 
573 
Rose Diseases, More about. By L. M. Massey (Amer. Rose Annual, pp. 63- 
71, April 1918). — Crown canker, black spot, and mildew of the rose are dealt 
with. Cylindrocladium scoparium is the fungus producing crown canker, a 
lingering disease causing cracking and cankering at the base of the stem and 
yellowing of the foliage. Thorough drainage, soil sterilization, and the selection 
of healthy scions and stocks are the control measures reccmmended. Dust 
spraying for black-spot and mildew was found more effective than lime-sulphur 
or Bordeaux mixture, the sulphur-arsenate mixture being reccmmended. (See 
these Abstracts, " Dusting and Spraying Nursery Stock.") — F. J. C. 
Rose, The Dunwieh. By Viscount Dunwich (Gard. Oct. 13, 191 7, p. 428). — 
The Dunwich Rose is a very nearly true R. hispida. It is bushy, and never grows 
more than i\ to 3 feet high. Leaflets are 7 to 11, serrated. This rose is almost 
extinct. It was no doubt growing in the ruins of Dunwich, and has been culti- 
vated. The flower is semi-double and grows in groups of three ; it is almost 
white, but has a tinge of yellow. On p. 304 (Aug. 4) Mr. James Britten had 
suggested that this rose was a variety of R. spinosissima, and this view is adopted 
in a note by the editor. — H. R. D. 
Roses for Cutting, Long-stemmed. By G. J. {Gard. June 22, 191 7, 
p. 220). — The author recommends Mme. Alfred Carriere (while) and Zephyrine 
Drouhin (rose), the latter to be grown as a hedge with access on both sides. The 
rose-red blooms are not only deliciously sweet, but they are well shaped and long- 
lasting, and the almost entire absence of prickles makes it a pleasant rose to cut 
by the armful. — H. R. D. 
Roses, Hybridation of. By J. Perney-Ducher (Le Jard. vol. xxxii. p. 205). — 
The author observed the formation of a hybrid of a yellow ' Pernetiana ' and the 
red hybrid tea 1 Admiral Ward.' The parents were grown side by side in a 
border, and the fertilization was probably due to bees. This is believed to be 
a unique case of the production of such a hybrid without human aid. — S. E. W t j 
Roses, Sweet Scented. By H. Blin (Rev. Hort. vol. Ixxxix. pp. 336, 337).— 
The following roses are remarkable for their perfume : ' La France,' ' La France 
Victorieuse,' ' Baronne de Rothschild,' ' Mrs. John Laing,' ' Madame Maurice 
de ^Luze,' ' Francois Juranville,' ' Gerbe Rose,' ' Mane Baumann,' ' Charles 
Lefebre,' ' Etienne Lebet,' ' Commandant Felix-Faure,' ' Dupuy J amain/ 
' Prince Arthur,' ' Senateur Vaisse,' ' A. K. Williams,' ' General Jacqueminot,' 
' Madame Gabriel Luizet,' ' Hugh Dixon,' ' Horace Vemet.' ' Augustine Guin- 
oisseau,' ' Richmond/ ' Vicomtesse Folkestone,' ' Chateau de Clos-Vougeot/ 
' General MacArthur,' ' Betty,' ' John Ruskin,' ' Lady Alice Stanley,' ' Catherine 
Mermet,' ' Muriel Graham/ ' Innocence,' ' Mme. Cusin,' ' Devoniensis/ ' Souvenir 
de S. A. Prince,' ' Goubault,' ' Souvenir de William Robinson/ ' Lady Roberts/ 
' Marechal Niel,' ' Lamarque,' ' LTdeal Mme. Alfred Carriere,' ' Isaac Pereire,' 
* Zephirine Drouhm,' ' Anna Maria de Montravel,' ' Leonie Lamesch/ ' Stanwell 
Perpetual,' ' Nitida,' ' Altaica.' ' Alpina ' has a curious resinous scent, and 
* Indica semperflorens ' possesses a very penetrating and peculiar odour. 
5. E. W. 
? F Sanguisorba obtusa var. araoena Jesson (Bot. Mag. t. 8690 ; Dec. 1916).— 
A hardy perennial from Japan, growing 3 to 4 feet in height with large radical 
leaves and cylindric spikes of rose-purple flowers. Introduced by Messrs. Barr, 
F. J. C. 
School Garden and Allotments. By L. J. R. (Irish Gard. xiii., Jan. 191.3, 
p. 11). — Contains some sound advice on School Gardening. — E. T. E. 
Sciara Maggots injurious to Potted Plants. By H. B. Hungerford (Jour. 
Econ. Entom. q, p. 538, Dec. 1916 ; figs.). — Reports damage to pot plants by 
the shiny, black-headed white larvae of Sciara coproplula, which fed upon roots 
and stems. The life-history was worked out in detail, and some suggestions 
are made as to dealing with the pest. — F. J. C. 
Silene pennsylvanica. By E. H. Jenkins (Gard. May 12, 191 7, p. 167; 
fig.). — The ' American Wild Pink,' though known to cultivators for a century 
or more, is bv no means common even in good collections of alpire plants. 
The flowers vary from purplish rose to rose pink, and all are beautiful. Grow- 
ing 6 or 8 inches high it ranks to-day among rock-garden varieties, fo gccd as to 
merit general cultivation. In its North American heme it favours sandy, rocky, 
or gravelly places, though experience proves these are not essential, end that it 
VOL. XLIII. 2 P 
