GREEN DRAPERIES 245 



believes, is that they are grafted upon unsuitable wild 

 stock, instead of being raised from seed or layers; and 

 that they are frequently the victims of a disease, bac- 

 terial in its nature, "which commences so insidiously 

 that one only perceives its presence when too late." 

 Application of Bordeaux mixture is said to be a preven- 

 tive, and also a "pinch of sulphur thrown at the foot of 

 a plant after it has begun to grow, and renewed at inter- 

 vals, is efficacious as a preservative from disease." To 

 those wishing to make a study of this most wonderful 

 flower I would suggest Mr. Robinson's sympathetic 

 and helpful little book, "The Virgin's Bower," and 

 "The Clematis," by Moore and Jackman, now out of 

 print, but procurable through dealers in old books. 

 The large-flowered hybrids may all be termed slender 

 climbers, and some of them reach a considerable height. 



The Jackmani Group. Enormously free flowering 

 in early July and thereafter occasionally through the 

 summer. Flowers on new shoots. Prune hard back 

 in late autumn (November) or early spring. A splendid 

 vine for trellises, porches, and arches. 



Fine varieties: Jackmani superba, large royal purple; 

 Jackmani alba, pure white; Madame Baron- Veillard, 

 very free, satiny mauve-pink; Gypsy Queen, reddish- 

 purple. 



Viticella Group. Blooms freely all summer from July 

 and is perhaps the most reliable of the large-flowered 

 kinds. Flowers on new shoots. Prune rather sharply 



