484 ARBORETUM ET FRUTICETUM BRITANNICUM. 
resembling those of the common sycamore, and nearly as large. It is much 
to be desired that it could be introduced into British gardens. 
% 36. R. viscost’ssimum Pursk. The very clammy black Currant. 
Identification. ‘Pursh Fl. Amer. Sept., 1. p. 163.; Don’s Mill., op 191. 
Synonyme. Coredsma viscosissima Spach Ann, des Scien. Nat. 1835. 
Engravings. Wook. Fl. Bor. Amer., |. 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-ob- 
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. (Don’s Mill.) 
An upright shrub. North America, on the 
Rocky Mountains, towards the sources of the 
Columbia; also on the summits of the hills 878, “Riviseodsatenums 
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. 
a 37. R. (N.) HUDSONIA‘NUM Richardson. The Hudson’s Bay black 
Currant. 
Identification. Richards in Frankl. First Journ., ed. 2. append. p. 6.; Don’s Mill., 3. p. 190. 
Synonyme, R. petiolare Dougl. Hort. Trans. 7. p. 514. 
Engraving. Our sig. 879. in flower, and fig. 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. (Don's 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 
879. R.(n.)hudsontinum. Columbia, about the Kettle 880. . (n.) hudsonianum. 
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. 
w 38. R.cuacta‘te Wall, The icy black Currant. 
Identification. Wall. Cat., No. 6833.; Don’s Mill., 3. p. 189. 
Engraving. Our fig 841. from a specimen in the Linnzan herbarium, 
Spec. Char., §c. Bracteas smooth. Leaves glabrous above, but with few 
scattered bristly hairs beneath, cordate at the base, 3—5-lobed at the apex « 
