132 



JOFKNAL OF THE ROYAL HORTICULTUBAL SOCIETY. 



in S. verrucosum, hairy; pedicels and calyx dark violet (Nos. 192, 193) 

 [in S. verrucosum these are green]. Free-flowering, but not free- 

 seeding. Berry round, with dark violet stripes down the sides (similar 

 to S. polyadenium), and pale spots like S. etuherosum. Only one berry 

 formed. Tubers white, round, and smooth (fig. 63, c), natural size. 



3. S. TUBEROSUM X S. VERRUCOSUM. Tliese hybrids are scarcely 

 distinguishable from the pollen-parent (S. verrucosum) in regard to 



Fig. 63. — Tubers of Hybrid Solanums. 



A, Solanum Commersonii (white) X S. tuberosum (No. 2) ; b, S. etuberosum 

 X S. tu^berosum ; c, S. verrucosum x S. etuberosum. 



habit, foliage, flower, arid fruit. They have, however, much greater 

 vigour, most of the plants measuring about 3 feet in height and the same 

 afcross, and are very floriferous, with sweetly-scented violet flowers 

 (No. 1922). The calyx is deltoid-acuminate, with awl-like tips, and 

 the berries like those of S. tuberosum,, but with less distinct paler spots. 

 The stolons are very long (3 to 4 feet) and thick; tubers white on 

 lifting, with a faint violet tinge in parts, which by and by extends all 

 over and deepsns to mid-violet; many lenticels ; eyes few and shallow. 

 One plant had forty-five tul)ei's. \\ (Mnhiug- 5 oz. 



