156 



LEGUMINOS. LX. CYTISUS. 



\l . G. Native of Teneriffe, on the mountains. Ait. liort. kew. 

 3. p. 51. Lher. stirp. 134. Vent. eels. t. 13. Lodd. bot. cab. 

 t. 7G1. Ker. bot. reg. 121. Flowers white. 



Proliferous Cytisus. Fl. Ap. May. Clt. 1779. Sh. 2 to 4 ft. 



17 C. LEUCA NTHUS (Walds. et Kit. hung. 2. p. 141. t. 132.) 

 stems erect ; branches terete, and are, as well as the leaves, 

 clothed with adpressed pubescence ; leaflets elliptic, acute ; 

 flowers at the tops of the branches ; heads of flowers bracteate, 

 by two leaves. ^ . H. Native of Croatia, in woods. Willd. 

 spec. 3. p. 1124. Sims, bot. mag. 1438. This species differs 

 from C. Auslriacus in the flowers being white, not yellow. 



Var. /j, pallidus (Schrad. in litt.) flowers cream-coloured. 

 Tj . H. An intermediate plant between C. leucanthus and C. 

 Atistriacus. 



White-flowered Cytisus. Fl. June, July. Clt. 1806. Shrub 

 3 to 4 feet. 



18 C. A'LBIDUS (D. C. cat. hort. monsp. 101. no. 85.) stems 

 erect ; branches divaricate, terete, rather glabrous ; leaflets ob- 

 long, pubescent beneath, as well as the calyxes ; flowers axillary, 

 usually tern, pedicellate ; calyx with both lips entire. ^ . H. 

 Native of the south of Europe and north of Africa. Flowers 

 white. Ovary pubescent. 



W7'<w/j-flowered Cytisus. Fl. June, July. Shrub 2 to 4 ft. 



* * Flowers purple. 



19 C. PURru v REUS (Scop. earn. no. 905. t. 43.) stems pro- 

 cumbent, twiggy ; leaves, calyxes, and legumes glabrous ; leaf- 

 lets oblong ; flowers axillary, solitary, on short pedicels. ^ . H. 

 Native of Carniola and Croatia, in exposed places. Jacq. austr. 

 append, t. 48. Lodd. bot. cab. 892. Sims, bot. mag. 1176. 

 Flowers purple. This plant is very beautiful when in flower, 

 but has a better effect when grafted on a rather tall laburnum. 



Var. /3, albiflorus ; flowers white. 



Purp^-flowered Cytisus. Fl. May, Aug. Clt. 1792. Shrub 

 procumbent. 



* * * Floners yellow. 



20 C. BIFLORUS (Lher. stirp. 184. Ait. hort. kew. 3. p. 52.) 

 stems diffuse ; branches terete, and are as well as the leaves 

 rather pubescent ; leaflets oblong-lanceolate ; flowers on short 

 peduncles, axillary, and usually twin ; calyxes and legumes 

 clothed with adpressed pubescence. J? . H. Native of Austria, 

 Pannonia, Podolia, Tauria, and Siberia. Walds. et Kit. hung. 2. 

 p. 1G6. Duham. arb. ed. nov. 5. p. 45. f. 2. C. supinus, Jacq. 

 fl. austr. 1. t. 20. C. hirsutus, Gmel. sib. 4. p. 17. t. 6. f. 2. 

 C. hirsutus and C. supinus, Bieb. fl. tatir. ex Stev, in litt. C. 

 macrospermus, Bess, in litt. 



Var. ft, glaber (Lin. fil. suppl. 325.) branches and leaves gla- 

 brous ; leaflets obovate. 



Var.y, subspincscens (D. C. prod. 2. p. 155.) branches rather 

 hoary, rr.ore diffuse, somewhat spinescent at the apex. Tj . H. 

 Native of Naples and Hungary. 



Tno-Jluwered Cytisus. Fl May, June. Shrub procumbent. 



21 C. ELONGA'TUS (Waldst. et Kit. hung. 2. p. 200. t. 183 ) 

 stems erect ; branches elongated, terete, young ones villous ; 

 leaflets obovate, clothed beneath with adpressed villi ; flowers 

 lateral, usually in fours on short pedicels ; calyxes villous. fy . 

 H. Native of Hungary, in woods. Petioles of the upper 

 leaves longer than the calyxes. Flowers few. 



Elongated Cytisus. Fl. May, June. Clt. 1804. Sh. 3 to 4 ft. 



22 C. MULTIFLORUS (Lindl. bot. reg. t. 1191.) stems erect; 

 branches elongated, terete, younger ones villous ; leaflets oblong, 

 tapering to the base, villous beneath, the same colour on both 

 surfaces ; flowers usually tern ; pedicels about equal in lengih 

 to the petioles ; vexillum emarginate, undulated, tj . H. Na- 

 tive of Europe. C. elongatus, Hortul, but not of Kit. C. 

 elongatus /3, multiflorus, D. C. prod. 



Maiuj-Jl 'in-red Cytisus. Fl. May, June. Clt. 1800. Shrub 

 2 to 3 feet. 



23 C. FALCA'TUS (Waldst. et Kit. hung. 3. p. 264. t. 238.) 

 stems declinate ; branches terete, twiggy, young ones, as well as 

 the leaves clothed with adpressed villous pubescence ; petioles 

 hairy ; flowers usually tern, lateral, on short peduncles ; calyxes 

 clothed with adpressed villi. Jj . H. Native of Croatia, Vol- 

 hynia, Podolia, and Gallicia. Lodd. bot. cab. 520. The plant 

 cultivated in the garden of Geneva differs from the wild plant 

 in the flowers being almost sessile, and in the leaves being pu- 

 bescent, not silky-villous. 



Falcate Cylisus. Fl. Ju. Aug. Clt. 1816. Shrub 2 to 4 feet. 



24 C. AUSTRI'ACUS (Lin. spec. 1042.) stems erect ; branches 

 twiggy, terete, and are, as well as the leaves, clothed with ad- 

 pressed strigose pubescence ; leaflets lanceolate, attenuated at 

 both ends ; flowers terminal, somewhat umbellate ; calyxes and 

 legumes sparingly villous. T; H. Native of Austria, upper 

 Italy, the Ukraine, and Siberia, in woods and rough places. 

 Mill. icon. 1 1 7. f. 2. Pall. itin. ed. gall. t. 100. f. 3. Jacq. austr. 

 1. t. 21. 



Austrian Cytisus. Fl. Ju. Sept. Clt. 1741. Sh. 2 to 4 feet. 



25 C. SUPI'NUS (Jacq. fl. austr. 1. t. 20.) stems decumbent, 

 branched ; branches terete, young ones rather hairy, adult ones 

 smooth ; leaflets obovate, obtuse, rather hairy beneath ; flowers 

 2-4, usually terminal, pedunculate ; calyxes and legumes spar- 

 ingly villous. \i . H. Native of Belgium, Austria, Pannonia, 

 Siberia, Turkey, and Dauphiny, on exposed hills and in bushy 

 places. Clus. hist. p. 96. no. vii. icon. C. lotoides, Pourr. act. 

 toul. 3. p. 318. Flowers pale-yellow, with the vexillum red- 

 dish. 



Supine Cytisus. Fl. May, Aug. Clt. 1755. Sh. decumbent. 



26 C. HIRSU TUS (Lin. spec. 1042. Jacq. obs. 4. t. 96.) stems 

 decumbent ; branches twiggy, terete, young ones hispid, adult 

 ones smooth ; leaflets obovate, villous beneath ; flowers lateral, 

 on very short pedicels, aggregate ; calyxes and legumes hairy. 



(7 . H. Native from Genoa to Hungary, in rugged places. C. 

 supinus, Bertol pi. gen. but not of Linnaeus. C. triflorus, Lam. 

 diet. 2. p. 250 Clus. hist. 95. no. 4. 



Hairy Cytisus. Fl. June, Aug. Clt. 1739. Sh. decumbent. 



27 C. SEROTINUS (Kit. in litt.) stems ascending; branches 

 terete, hairy ; leaflets obovate, glabrous above, rather villous be- 

 neath ; flowers axillary, 2-3, pedicellate ; calyxes hairy. lj . H. 

 Native of Hungary. This plant is sufficiently distinct from the 

 two preceding. 



Late- flowering Cytisus. Shrub 2 to 3 feet. 



28 C. CAPITA V TUS (Jacq. fl. austr. t. 33.) stems erect ; branches 

 straight, hispid ; leaflets ovate-elliptic, villous ; flowers numerous, 

 capitate at the tops of the branches ; calyxes and legumes 

 covered with hispid villi. Ij . H. Native of Burgundy, Italy, 

 and Austria, on the edges of woods. Lodd. bot. cab. 497. C. 

 supinus, Lin. spec. 1040. C. hirsutus, Lam. diet. 2. p. 250. 

 Flowers sometimes lateral in the autumn. 



Capitate-fioviered Cytisus. Fl. June, July. Clt. 1774. Sh. 

 2 to 4 feet. 



29 C. CILIA'TUS (Wahlenb. fl. carp. 219.) stems erect ; young 

 branches hispid, adult ones glabrous ; leaflets obovate, clothed 

 beneath with adpressed villi ; flowers approximate, tern, at 

 length lateral ; legumes glabrous, ciliated. J; . H. Native of 

 the Carpathian mountains, on the plains of Litowa. 



Ciliated-podded Cytisus. Fl. June, July. Clt. 1817. Shrub 

 2 to 4 feet. 



30 C. POI.Y'TRICHUS (Bieb. fl. taur. suppl. 477.) stems decli- 

 nate ; branches hispid ; leaflets obovate-elliptic, and are, as well 

 as the calyxes, villous; flowers lateral, usually twin, pedicellate; 

 legumes hairy. Ij . H. Native of southern Tauria, on the 

 higher mountains in pine forests. This species is more hairy 



