764 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



Mr. Forbes observes that S. /igustrina of Michaux differs principally from 

 S. nigra in its larger stipules, which resemble, as well as the leaves, those of 

 S. triandra. (Sal. Wob., p. 28.) In Jig. 1448. a shows S. nigra, b S. /igustrina. 



& 29. S. HUMBOLDT//^ Willd. (Sal. Wob., No. 8. ; and fig. 8. in p. 792.) is 

 described in our first edition. 



? *t 30. S. BONPLAND/^ V A^ Humb. et Bonpl. (Sal. Wob., t. 9. ; 

 fig. 9. in p. 792.) is described in our first edition. 



and 



Group viii. Prinmdes Borrer. 



Shrubs, mostly Natives of North America, and used in Basket-making. 

 Prin. sp. 32. and 33. 



Kinds all, or all but S. conformis Forbes, natives of North America. The 

 kinds which Mr. Borrer has placed in this group are S. rigida Muhl., S. 

 jorinoides Pursh, and S. conformis Forbes. To these S. discolor Willd. and 

 S. angustata Pursh have been added, from their resemblance to S. pri- 

 noides. 



& 31. S. RI'GIDA Muhlenb. (Sal. Wob., No. 141., a leaf; and fig. 141. in 

 p. 818.) is described in our first edition. 



32. S. PRINOI'DES Pursh. 

 Willow. 



The Prinos-like 



Identification. Pursh Fl. Amer. Sept., 2. p. 613. ; Smith in Rees's 



Cycl., No. 26. 



The Sexes. The female is figured in Sal. Wob. 

 Engravings. Sal. Wob., No. 40. ; our fig. 1449. ; and fig. 40. in 



p. 800. 



Spec. Char., fyc. Leaves oval-oblong, acute, with 

 distant wavy serratures ; glabrous above, glau- 

 cous beneath. Stipules half-heart-shaped, deeply 

 toothed. Catkins villous, protruded before the 

 leaves. Ovary stalked, ovate, pointed, silky. Style 

 elongated. Stigmas cloven. (Pursh?) A large 

 deciduous shrub or low tree. Pennsylvania to 

 Virginia, on the banks of rivers. Height 6 ft. to 

 12 ft. Introduced in 1811. Flowers yellow; 

 March and April. 



1449. S.prinBides. 



33. S. DI'SCOLOR Muhlenb. (Sal. Wob., No. 147., a leaf; and our^g. 



147. in p. 818.) is described in our first edition. 



34. S. ANGUSTA'TA Pursh (Fl. Amer. Sept., 2. p. 1 13.) is described in 



our first edition. 



35. S. CONFO'RMIS Forbes (Sal. Wob., No. 24.; and Jig. 24. in p. 795.) 



is described in our first edition. 



Group ix. Grisea Borrer. 

 Chiefly Shrubs, Natives of North America. Prin. sp. 40. and 43. 



Most of the kinds are natives of North America. S. Muhlenbergz'awa Willd., 



