LEGUMINOSAE 179 



GENISTA— continued 



trate. Ls. linear, lane, i, margins fringed with hairs. Fls. f, in 

 erect racemes. Europe (including Britain). (Fig. 117 J.) 

 G. virgata. Madeira Broom. 12. June. D. Stems grooved. Ls. lane, |, 

 grey-green, silky below. Fls. ^. Madeira. (Fig. 117 h.) 



Halimodendron argenteum (H. halodendron, Caragana argentea). Salt 

 Tree. 6. June-July. D. Ls. pinnate, with four Iflts., silver-grey, common stalk 

 ends in stiff spine; Iflts. oblanc, i^, entire, stalkless. Fls. ^, purple or lilac. Pod 

 I, inflated. Siberia. (Fig. 13 k.) 



LABURNUM (CYTISUS LABURNUM). Ls. 3 -foL, long-stalked; Iflts. ov., 

 entire, very shortly stalked. Fls. usually yellow, in drooping terminal panicles. 

 Pod linear. 



L. Adamii. Purple Laburnum. 25. May. D. Branchlets and Is. hairless or 



nearly so. Lflts. 2h. Fls. purple. Graft hybrid. 

 L. alpinum. Scotch Laburnum. 20. June. D. Lflts. 4, slightly hairy. Fls. 

 f, golden yellow, in panicles up to 15 long. Pod 3, flattish, keel- winged. 

 Europe. 



Variety pendulum. Weeping form. 

 L. vulgare. Common Laburnum, Golden Chain, Golden Rain. 25. May. D. 

 Lflts. 3, downy below. Fls. f, golden yellow, in panicles up to 10 

 long. Pod 3, keel not winged. Europe. (Fig. 3 c.) 

 Variety aureum. Ls. yellow. 

 Variety pendulum. Weeping form. 

 Variety quercifolium. Lflts. lobed. 



LuPiNUS arboreus. Tree Lupin. 9. May-September. D. Ls. digitate, long- 

 stalked; lflts. oblanc, i^, silky below, stalkless. Fls. sulphur-yellow, in erect 

 terminal spikes. Pod 3, long and narrow, spirally twisted, hairy, 8-12-seeded. 

 California. (Fig. 5 K.) 



ONONIS. Shrubby Restharrow. Branchlets crooked. Ls. 3-fol., stipules 

 clasping stalk; lflts. toothed, stalkless. Pod swollen. 



O. aragonensis. 2. June. D. Young shoots pale grey. Lflts. roundish ov., \, 



green. Fls. \, yellow, in pairs on crooked terminal spike. Pod \, hairy. Pyrenees. 



O.fruticosa. 3. May-June. D. Lflts. oblanc, i, wrinkled. Fls, f, pale rose, 



three on a stalk. Pod i, bristly. Europe. (Fig. 3 G.) 

 O. spinosa. i. July-October. D. Spiny. Lflts. oblanc, f, hairy. Fls. |, pink, 

 solitary in 1-axils. Europe (including Britain). 



Petteria ramentacea (Cytisus FRAGRANs). Dalmatian Laburnum. 8. May- 

 June. D. Ls. 3-fol., slender-stalked; lflts. ov., 2, entire, very shortly stalked, blunt- 

 ended, hairless. Fls. f , yellow, in short, erect, dense racemes. Pod linear-oblong, 2, 

 flat, pointed, dark brown, splitting. East Europe. (Fig. 3 H.) 



Spartium junceum. Yellow Spanish Broom. 12. June-September. Stems 



erect, rush-like, green, cylindrical, nearly leafless. Ls. linear, i, bluish green. 



Fls. I, yellow, fragrant, in loose terminal racemes. Pod 3, linear, hairy. South 

 Europe. (Fig. 37 m.) 



Ulex europaeus. Gorse, Furze, Whin. 6. January-June. Dense, rigid, very 

 spiny. Branchlets groved, green, leafless or nearly so. Fls. f, yellow, solitary. 

 Pod \, hairy. Europe (including Britain). (Fig. 37 f.) 



