XXV. LEGUMINA CEJE : CALO PHACA. 



243 



^ H. a. 3 Sieversu, H. Sieversw Fisch., is a dwarf variety, very hardy, 

 named by some as a species. H. S. 



I An irregular, much-branched, rigid shrub, with a strigose grey bark, and 

 i leaves clotheil with a whitish silky down. The flowers are numerous, resem- 

 bling those of iathyrus tuberosus, both in colour and size; and they smell 

 ! sweet. According to Pallas, it is much frequented by insects, especially of the 

 jgenus Meloe L., many species of which are peculiar to Siberia. It flowers 

 'freely from May to July, and, in moist seasons, later; and, when grafted 

 [standard high on the common laburnum, it forms one of the most graceful 

 ; drooping trees that can adorn a lawn. 



an 2. H. (a.) subvire'scens G. Don. The greenish Halimodendron, or 



Salt Tree. 



Stirp. Nov. 162. ; H. argenteuoi fi subvir^scens Dec. Prod. 



Identification. Don's Mill., 2. p. 244. 

 \%ijnonyines. Robin;a trifl6ra L'Herit. 



2. p. 169. 

 'Engravini;. Out fig. . in p. 



Spec. Char., Sfc. Leaves greenish. The standard of the same length as the 

 keel. Pedicels 3-flowered. (Don's Mill.) A shrub, like the preceding one, 

 of which it is, without doubt, only a variety. 



Genus XV. 



jALO'PHACA Fisch. The Calophaca. Lin. Syst. Diadelphia Decandria. 



ientification. Fisch. ined. ; Dec. Prod., 2. p. 270. 



derivation. From Icalos, beautiful, a.m\phake, a lentil ; in allusion to the beauty of the plant, and to 



its being one of the leguminaceous kind. 



\ren. Char. Calyx 3-cleft, the lobes acuminated. Keel obtu.se. Stamens dia- 

 delphous. Style villous and straight at the base, but glabrous incurved at 

 the apex. Stigma terminal. Legume sessile, oblong, somewhat cylindrical, 

 mucronate, 1-celled. Valves concave, beset with soft hairs, as well as with 

 stiff' glandular bristles, mixed. (Don's Mill.) 



Leaves compound, alternate, stipulate, deciduous ; im pari- pinnate : stipules 

 lanceolate. Floivers yellow. A shrub, native of Siberia. 



ja \. C. wolga'rica Fisch. 



entification. Fisch. in Litt.: Dec. Prod., 2. p. 270.: Don's 

 Mill., 2. p. 214. - t- . 



nonymes. Cytisus nigricans Pall. Itin. 3. p. 764. t. G. g. 

 ' 3., ed. Gall. Append. No. S.'iS. t. 101. f. 1. ; Cvtisus pin- 

 latus Pall. Fl. Boss. 1. t. 47. ; CJ^tisus wolgaricus Lin. 

 il. Suppl. 327., N. Du flam. 1. t. 48. ; Colutea wolga- 

 ica Lam. ; Adenocarpus wolgensis Spreng. Si/st. 3. p. 226. 



gravings. Pall. Fl. Ross., 4. t. 47.; N. Du Ham., 5. t. 48.; 



ndour^^g.SDO. 



ec. Char., ^-c. Leaflets 6 or 7 pairs, orbicular, 

 velvety beneath, as well as the calyxes. (Don's 

 Mm.) A deciduous shrub. Siberia, in desert 

 places near the rivers Don and Wolga, in a 

 gravelly or sandy soil. Height 2 ft. to 8 ft. 

 [Introduced in 1780. Flowers yellow; June, 

 egume reddish ; ripe in August. 



eing somewhat difiicult to propagate except 

 M seeds, which, however, in fine seasons, it 

 jt)duces in abundance, it is not so common as 

 'ought to be in British gardens. Grafted 

 s ndard high on the common laburnum, it forms 

 ' R 2 



The Wolga Calophaca. 



399. CaWphaca wdigirien. 



