910 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



numerous diseases attacking pod and stem and root of the Cacao. It 

 should be thoroughly mastered by all planters of Cacao in tropical 

 countries. — W. W. 



Cacao, Three Fung-oid Diseases of. By A. Howard {Bidl Bot, 

 Dep. Trinidad, No. 30 ; August 1901). — Descriptions of these, and 

 remedial measures against them, are clearly given. To one of them is 

 now attributed the damage to pods formerly thought to be effected by 

 "thrips."— ^;..4.i5. 



Cacti, Hardy. By F. Rehnelt {Die Gart. p. 121 ; 14/12/01 ; with 

 illustration). — The hardy species of the Cacteas mentioned are nearly all 

 OjnmticE, principally 0. camanchia, 0. vulgaris, 0. Hovei, 0. polyacantha, 

 0. barbata, 0. Uorizontalis, 0, Bafinesquei. The Cactus stood the 

 severe German winter, while the Common Bracken (Pteris aquilina) was 

 killed.— G. B. 



Calanthe x Veitchii, Lindl. (Cogniaux in Diet. Icon. Orch.y 

 Calanthe hyb., pi. 1 ; 3/1901). — Raised by Dominy for Messrs. Veitch at 

 Exeter in 185B, from C. rosea and C. vestita. This hybrid inherits the 

 rich colour and characteristic column of C. rosea with the habit and 

 four-lobed lip of C. vestita in a modified form. It has since been found 

 in Burma as a natural hybrid by Boxall for Messrs. Low in 1893. 



C.C. H. 



Calanthe vestita rubro-oculata, Paxt. (Cogniaux in Diet, 

 Icon. Orch., Calanthe, pi. 1 ; 3 1901). — Flowers milk-white, with purple- 

 carmine blotch at the base of the lip. Introduced by Messrs. J. Veitch 

 .1- Sons from Moulmein in 1849.— C. C. H. 



Calanthe vestita Stevensiana (Cogniaux in Diet. Icon. Orch.y 

 Calanthe,^!. 1a; 5/1901). — Introduced from Cochin China in 1883, by 

 M. Regnier. This plant is now called C. Begnieri var. Stcvensii, Rolfe 

 in Orch.Bev. 1901, p. 142.— C. C. H. 



Calochorti and their Culture. By G. B. Mallett {Gard. p. 412 ; 

 21/12/1901). — A most exhaustive and valuable article on this compara- 

 tively little grown genus of exquisite Calif ornian bulbs, describing the 

 species and giving full cultural directions. — E. T. C. 



Canna 'Comte de Sachs' {Bev. Hort. p. 395 ; September 1901). — 

 Raised by MM. Billard & Barre. Foliage broad, green margined ^^^th 

 reddish brown. Inflorescence 1 metre high ; large flowers, brilliant red ; 

 highly recommended. — C. D. T. 



Cannas, Orchid-flowered or Italian. By Ch. Sprenger [Bev, 

 Hort. pp. 446-8 ; October 1901). — History of origin and development, 

 with description of numerous varieties. — C. T. D. 



Cantaloupe Blig*ht. By H. H. Griffin {U.S.A. Exp. Stn. Colorado, 

 June 1901). — This blight was first observed in 1896, and since found to 

 be caused by Macrosporium ciicicmerimwi. The first appearance is a large 

 number of small brown spots on the leaves. The brown spots grow larger as 



