468 ARBORETUM ET FRUTICETUM BRITANNICUM. 
Seldom rising more than 3 ft. in height; and, in British gardens, thriving 
best in a dry soil, composed partly of lime rubbish, which should be, about 
once a year, strewed with a thin coat of salt. Propagated by cuttings. 
aw 1. N. Scno’serr L.  Schober’s Nitraria. 
Identification. Lin. Sp., 638.; Dec. Prod., 3. p. 456. ; Don’s Mill., 3. p. 155. 
Spec. Char., §c. Leaves oblong, perfectly entire.  Drupes. 4 
ovate. (Dec. Prod.) A low bushy shrub, varying with 
branches spiny, and branches smooth. Russia, in the neigh- 
bourhood of salt lakes. Height J ft. to 3 ft. Introd. in 1788. 
Flowers white ; May to August. Fruit blackish blue or red, 
rather larger than peas; rarely seen 
in England. 
Varieties. 
a N.S. 1 sibirica, N. sibirica 
Pall, Fl. Ross. t 50. f. ay 
and our jig. 840.— Fruit of a 
blackish blue colour. Siberia, 
Hort. Soc. Garden. 
a N.S. 2 cdspica, N. caspica 
Pall, Flora Ross. t. 50. f. 
B., and our fig. 841.— Fruit 
red. Leaves longer. Young 
branches pubescent. Fruit larger, and much 
more acute. Hort. Soc. Garden. 
A) ¥ 
840. N. Schoéberi sibfrica. 
N. tridentdta Desf., a native of Africa, is described in our first edition, 
but is rather tender in British gardens. 
Orver XXXII. GROSSULA‘CE. 
OrD. CHAR. Calyx 4—5-parted. Petals 5. Stamens 4—5. Anthers introrse. 
Ovarium 1-celled, with two opposite parietal placenta. Style 2- 3-, or 4- 
cleft. Fruit succulent, crowned by the persistent calyx, many-seeded. 
Seeds arillate. Albumen horny. Differs from Cactacez in definite stamens, 
albuminous seed, calyx, corolla, and habit. (G. Don.) 
Leaves simple, alternate, stipulate, deciduous; lobed or cut, plaited 
when folded in the bud. lowers axillary, or terminal, greenish, whitish 
yellow or red. — Shrubs ; natives of Europe, Asia, and North America; all 
included in the genus Ribes, 
Genus I. 
LJLalla 
RIBESL. Tue Rises. Lin. Syst. Pentandria Monogynia. 
Identification, Lin. Gen,, 281.; Dec. Prod., 3. p. 477. ; Don’s Mill., 3. p. 177. 
Synonymes. Grossularia Tourn. ; Chrysobétrya, Calobétrya, Coreésma, and Rébes Spach; Gro- 
seiller, Fr.; Johannisbeere, Ger. ; Kruisbes, Dutch ; Uva Spina, Ital.; Grossella, Span. 
Derivaxion. The word Ribes is from the name of an acid plant mentioned by the Arabian 
physicians, which has been discovered to be the Rhéum Rébes; Grossuladria is from the Latin 
grossulus, a little unripe fig. 
Gen. Char. The same as that of the order. 
