Jnne 26, 1873. ] 



JOUENAL OP HORTICULTDEE AND COTTAGE GAEDENEB. 



307 



sufficiently attemled to ; otherwise the germs of the disease 

 may be supposed to be latent iu the tubor, and, if so, might 

 not be deeper thau the sliin or eye, for which somo remedy. 



such as more thorough greeniug or washing in some solution, 

 might be effective ; but in the present case the soil seems to 

 have held the cause of evil. — T. C. Bhehaut. 



The plants of the genus Corynostylis are stove shrubs of the 

 Violet family, of climbing habit, and natives of Tropical 

 America. C. Hybantlms was introduced by Mr. Linden from 

 Para, through Mr. Wallis, and was figured by Dr. Hooker in 



CORYNOSTYLIS HYBANTHUS ALBIFLORA. 



the " Botanical Magazine," ^, o'.HiO, where it is remarked : 

 " Though belonging to the same natural order as the Violet, 

 and closely connecied with that genus, its habit and the form 

 of its flower more resemble those of the racemose Indian 



Covynostylifl Hybauthus albifloia. 



Balsams. The curious twist of the spur has been observed by 

 Martius alone iu his careful description of this plant. It is a 

 most variable species, and I believe that all the so-called 

 species the genus contains, and which are hitherto described, 

 are referable to one, which extends from the Amazon (which 

 it ascends to tlie junction of the Bio Negro), to Venezuela, 

 Columbia, Guatemala, and St. Vincent ; but which, curiously 

 enough, has not been detected in Trinidad." 



C. Hybanthue exhibits many forms differing considerably 

 from each other in leaf and flower ; that which we have now 

 the opportunity of presenting to our readers through the 



courtesy of Mr. Bull, of Cliolsen, with whom it flowered last 

 year is the C. albitiora of Mr. Moore, who describes it as being 

 of half-climbing habit, and having ovate elliptic leaves of 

 moderate size, with white flowers of curious form, dangling 

 gracefully on long thread-like stalks. The flowers, which are 

 borne on long slender stalks, are freely produced, about 

 2 inches long, furnished with a large horn like spur, white, and 

 sweet-scented. Ur. Hooker considers it to bo not specitically 

 distinct from the plant which he figured, and it must therefore 

 be classed as a mere variety. 



THE ROYAL VINEYARD GRAPE-FERTILISING THE BLOSSOMS OF VINES. 



It is now some years since this Grape was sent out from that 

 nursery from which it takes its name ; it was then spoken of as 

 a first-class late white Grape, but somehow lately we neither 

 hear nor see much of it, yet it is a really good white Grape in 

 all respects. It is of a vigorous constitution, and a more 

 prolific bearer cannot be. It may well be designated a perpetual 

 bearer, for it usually produces two and three bunches on a shoot 



at first, and then continually produces throughout the season 

 bunches on the laterals. Finer bunches or better-flavoured 

 berries are not needed. But does it set freely ? will be the 

 question. Well, I say most decidedly under certain conditions. 

 Plenty of heat, an extraordinarily dry burning atmosphere, 

 drawing the hand down over the bunches, shaking the Vine, 

 using camel's-hair brush, &c. — all of these performances have 



