TT^T>^TT r.ARDFATNO, 



flowered in IS21. It was consideml. acconlinij; 

 to Mr. Subina. wlm liad |»r()l)ably the lar<iest 

 eolleetion of Pii'onias at that time, to lu> a 

 distinct .speeies, under the naiue of P. I.)l)ata, 

 but it has since ben chissed as a variety of 1'. 

 ofticinahs. The origin of it appears to be 

 unknown. F. G. Preston. 



Deutzia Wilsoni, 



This beautiful Deutzia is a native of Central 

 and Western China. It was named by Mr. 

 Duthie in complinient to Mr. E. H. Wilson, who 

 discovered and introduced the species by means 

 of seeds when collecting on l)ehalf of Messrs. 

 J. Veitch & Sons, Ltd.. in 11)01. The i)lant lirst 

 flowered in their C'oombe Wood Nursery, and 

 furnished the material for the figure in the 

 Botanical Magazine, tab. S0S3. 



Deutzia Wilsoni is a vigorous growing species, 

 forming a shapely bush 5 to 6 feet high. The 

 pure white flowers are freely produced on the 

 ripened wood made the previous season, the 

 vigorous young sucker-hke growths being parti- 

 cularly well flowered. Produced in corymbose 

 panicles, the individual blossoms are almost an 

 inch across. Flowering in mid-June, this is a 

 particularly valuable shrub, in addition to being, 

 on its merits, one of the best Deutzia in cultiva- 

 tion. Thriving in well-tilled garden soil, cuttings 

 provide a ready means of propagation. These 

 may be inserted in a close frame with gentle 

 bottom heat during July, or later in a cold 



frame. 



A. 0. 



Incarvilleas. 



These choice plants must be considered as 

 conferring on the outdoor garden that appear- 

 ance of richness and distinction which the 

 wondrous beauty of Cattleyas and other Orchids 

 does to the indoor collections. It is x^ossible 

 we do not yet know all the requirements of the 

 Incarvilleas, but, on the whole, cultivation is not 

 difficult, and the most of the species seem quite 

 hardy. 



Although one or two species have been known 

 for quite a long time it was not until the intro- 

 duction of I. Delavayi, some fourteen or fifteen 

 years ago, that they became popular with 

 gardeners. When first shown this remarkable 

 plant at once attracted notice, and was soon 

 eagerly sought after. The beautiful trumpet- 

 shai^ed, rosy-red flowers, x>roduced above hand- 

 some, deeply cut, dark-green leaves, make a 



striking pictin-e, and when a mass of some 

 dozens of i^lants is -rcii in l)looiu it is a sight 

 not soon forgotten. 



Of e([ual merit is 1. grandiflora, a plant of 

 (Iwarfer habit, l)eing about a foot or fifteen 

 inches high when in flower, whereas strong plants 

 of 1. Delavayi will be two feet high. The colour 

 of I. grandiflora differs somewhat from I. 

 Delavayi, being described as rosy crimson, both 

 species having yellow throats. 



I. compacta is a much rarer plant, rarely seen 

 in cuhivation, and probably difficult to get true, 

 Seeds are sometijnes offered in Continental 

 catalogues, but rarely prove to be correct. It 

 is siniilar in habit and colour to the others 

 mentioned above, but is smaller. 



For general purposes the two first named are 

 the most satisfactory, and we may include also 

 the newer I. grandiflora brevipes, a robust 

 plant with the habit and appearance of I. 

 Delavayi. I. lutea, the newest of the species, 

 has not flowered yet in Britain or Ireland as far 

 as I know. The leaves resemble those of the 

 species described above, but the flowers are 

 yellow. Photographs taken in its native 

 habitat in China show it to be a remark- 

 ably handsome plant, and we must hope 

 that soon it will reach the flowering stage in 

 this country. 



Of rather dift'erent habit and bearing smaller 

 flowers is I. Olgae, often referred to as I. Koop- 

 mannii, a native of Turkestan. With flnely- 

 divided leaves and smaller bright rose-coloured 

 flowers, this is quite a i^retty and desirable i)lant, 

 eminently suitable for the rockery or a sunny 

 border. 



Less hardy, though similar in appearance, is 

 I. sinensis, with much divided leaves and larger 

 scarlet flowers. 



All the Incarvilleas rejoice in a deep rather 

 sandy soil, with ample moisture during the 

 growing season, but too much surface moisture 

 in winter is detrimental and apt to rot the 

 crowns. Tlie thick fleshy roots are very brittle, 

 so that it is best to get the plants into their 

 positions when quite young. Seeds are freely 

 produced by the larger-flowered species like 

 Delavayi, but more sparingly by the others. 

 The seeds may be sown in sx)ring in light sandy 

 soil, and will germinate well in a cold frame. 

 They should be pricked out in a similar compost 

 when large enough and left then until the 

 following spring, when they can be separated 

 and grown on in pots till large enough to plant 

 out. I. sinensis does well j)lanted at the base of 

 a wall or in a narrow sunny border facing 

 south and with protection from the north and 



east. 



J. W^ B. 



