484 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



resembling those of the common sycamore, and nearly as large. 

 to be desired that it could be introduced into British gardens. 



It is much 



36. R. VISCOSI'SSIMUM Pursh. 



The very clammy black Currant. 



191. 



Identification. Pursh Fl. Araer. Sept., 1. p. 163. ; Don's Mill., 3. 

 Synonyme. Coredsma viscosfssima Spach Ann. des Scien. Nat. 183&. 

 Engravings. Hook. Fl. Bor. Amer., 1. p. 234. t. 74. ; and our Jig. 878. 



Spec. Char., $c. Leaves cordate, obtuse, 3 5- 

 lobed, deeply crenated. Viscid and glandular 

 pubescence. Glands on both surfaces. Ra- 

 cemes erect, corymbose. Bracteas linear -oh- 

 ovate, rather shorter than the pedicels, which 

 are clothed with glandular hairs. Calyx tubu- 

 larly campanulate, with erectly spreading obtuse 

 segments. Germens and fruit ovate-oblong, 

 clothed with viscid hairs. Berries oblong-ovate, 

 black. Flowers large and white. (Doris Mill.) 

 An upright shrub. North America, on the 

 Rocky Mountains, towards the sources of the 

 Columbia ; also on the summits of the hills 

 near the Spokan and Kettle Falls, at an eleva- 

 tion of 8000 ft. above the sea. Height 4ft to 8 ft. Introduced in 1826. 

 Flowers whitish or yellowish ; April and May. Fruit black ; ripe in July. 



A very fine and remarkable species, somewhat difficult to keep. 



* 37. R. (N.) HUDSONIA'NUM Richardson. The Hudson's Bay black 

 Currant. 



Identification. Richards in Frankl. First Journ., cd. 2. append, p. 6. ; Don's Mill., 3. p. 190. 

 ~ lonyme. R. petiolare Dougl. Hort. Trans. 7. p. 514. 



graving. Our fig. 879. in flower, andfig. 880. in fruit, from a specimen in Dr. Lindley's herbarium. 



Spec. Char., $c. Branches erect. 



Leaves 3-lobed, quite glabrous 



above, full of resinous dots 



beneath, and, as well as the pe- 

 tioles, villous. Germens dotted. 



Berries globose, glabrous. 



black. Racemes erect, pubes- 

 cent. Bracteas short. Seg^ 



ments of the calyx, which is 



campanulate, spreading. Flow- 

 ers small. Petals white. The 



fruit, and peculiar odour of 



the plants, are those of R. 



nigrum. (Doris Mill.) An 



erect shrub. North America, 



from Hudson's Bay to the 



Rocky Mountains, in the west, 



and as far north as lat. 57, 



including the mountains of 



Columbia, about the Kettle 



Falls. Height 3 ft. to 4 ft. In- 

 troduced in ? 1820. Flowers whitish ; April and May. Fruit black; ripe 

 in July. Horticultural Society's Garden. 



& 38. R. GLACIATE Wall. The icy black Currant. 



Identification. Wall Cat., No. 6833. ; Don's Mill., 3. p. 189. 

 Engraving. Our fig 881. from a specimen in the Linntean herbarium. 



Spec. Char. y $c. Bracteas smooth. Leaves glabrous above, but with few 

 scattered bristly hairs beneath, cordate at the base, 3 5-lobed at the apex ; 



879. A. (n.) hudionianum. 



880. R. ( n . ) hudgoni&num . 



