240 HORTICULTURE [Bot. Absts., Vol. V, 



daisies, though it is probable that several other species have been concerned also. Although 

 these large flowered forms were first introduced into Europe from America in 1902 or 1903, 

 little is known definitely concerning their origin. The "Shasta Daisy" of Luther Burbank 

 is thought to have been derived by a vigorous selection from the seedlings of Chrysanthemum 

 leucavJhemum crossed with an American species; this progeny in turn having been crossed 

 with C. nipponicum, a Japanese species. Whatever may have been the origin of the various 

 large flowered forms, it is certain that great variation now eixsts, and they are among the most 

 generally useful decorative plants. — E. J. Kraus. 



1823. Mottet, S. Paederia tomentosa. Rev. Hortic. 91 : 298-300. Fig. 95. June, 1919. 

 — This species was first introduced into Europe from China in 1806, and again in 1907, through 

 seeds collected by E. H. Wilson for the Arnold Arboretum. It is recommended as a suitable 

 covering for walls and trellises. A description and synonymy are given. — . E. K. Kraus. 



1824. Mottet, S. Un rhododendron a fleurs jaunes. (R. campylocarpum.) [A yellow 

 flowered rhododendron.] Rev. Hortic. 91: 328-329. 1 pi. August, 1919. — This species was 

 collected by Hooker in Himalaya and introduced into England in 1856. Though it has been 

 overlooked for a long time, there is little doubt that it is really a desirable, hardy form with 

 persistent foliage and clear yellow flowers. It should serve, also, as valuable material for 

 crossing with other forms. A detailed description of the species is given. Another yellow 

 flowered species Rhododendron lutescens Franch, is mentioned as having been recently intro- 

 duced from China by Wilson. — E. J. Kraus. 



1825. Mottet, S. Nouveaux oeillets remontants grandiflores. [New large flowers, ever- 

 blooming carnations.] Rev. Hortic. 91: 360-361. 1 pi. (colored). Oct., 1919. — Attention is 

 directed to seven varieties of carnations which represent the progress made in the last several 

 years in breeding for flowers of large size and special colors. Although perpetual blooming 

 carnations have been known since about 1845, it was not until near the end of the last century 

 that the large flowered forms appeared, several varieties having been exhibited in 1900. New 

 varieties have been introduced with considerable rapidity since that time. Most of these 

 varieties may be placed in one of five or six type classes, each of which possesses distinctive 

 characters of stem, foliage and flower. Intercrossing between the classes has been frequent, 

 however, so that as a result several of the various types may be represented among any par- 

 ticular lot of seedlings. — E. J. Kraus. 



1826. Mottet, S. Un nouveau chamaecyparis (Ch. formosensis). [A new chamaecyparis.] 

 Rev. Hortic. 91: 342-344. Fig. 105. Sept., 1919. — The two Japanese species, Ch. obtusa 

 Sieb. and Zucc. and Ch. pisifera Sieb. and Zucc, together with Ch. sphaeroidea Spach have 

 produced many varieties commonly known under the name Retinospora. Two other forms 

 are known from North America, namely Ch. nutkaensis Spach. and Ch. Lawsonia, Parlat. 

 Each of these has given rise to several varieties. To this list of species should be added Ch. 

 formosensis Matsum. which, on the island of Formosa, is said to attain a great size, one speci- 

 men having measured 22 meters in circumference at the base. The species was described by 

 Matsumura in the Botanical Magazine for 1901. Seeds were introduced into England in 1911. 

 It is highly recommended as a decorative tree, since the branches are as light and graceful 

 as certain ferns, and they assume an attractive, bronze tint at the beginning of winter. Young 

 trees are not entirely hardy in the vicinity of Verrieres, though this defect may be overcome 

 when the trees have grown older. The species may be propagated by grafting or from seeds. 

 — E. J. Kraus. 



1827. Mottet, S. Digitale hybride de Lutz. [The Lutz digitalis hybrid.] Rev. Hortic. 

 91 : 396-397. Dec, 1919. — From seeds of an apparently spontaneous hybrid between Digitalis 

 purpurea and D. lutea, the following types of plants were obtained: (1) Flowers clear chamois, 

 spotted, foliage very downy. (2) Flowers purple, stems brown, and foliage smooth. (3) 

 Flowers yellow-white, spotted. — Seeds were secured from plants of the first two types. From 

 the first, five plants were obtained, three of which produced purple flowers and two chamois 



