148 



LEGUMINOSAE. 



LABURNUM. Golden chain. 

 (Family Leguminosae). 



Shrub or small tree: deciduous. 

 Wood somewhat ring-porous with 

 tangential wood-parenchyma pat- 

 tern. Twigs rather slender, te- 

 rete or slightly fluted: pith mod- 

 erate, roundish, continuous, white. 

 Buds moderate, solitary, sessile, 

 ovoid, with about 4 exposed sil- 

 very-haired scales scarred at top. 

 Leaf-scars alternate or rarely op- 

 posite, transversely elliptical, 

 small, elevated: bundle-traces 3, 

 more or less confluent or indis- 

 tinct: stipules persistent on the 

 leaf-cushion. 



Winter-character references : 

 Laburnum anagyroides (common- 

 ly called Cytisus Laburnum). 

 Bosemann, 54; Schneider, f. 140; 

 Willkomm, 42, f. 70; Zuccarini, 

 32, pi. 18. 



Not weeping. L. anagyroides. 



Weeping. L. anagyroides pendulum. 



Winter-character references to Cytisus: C. alpinus. 

 Schneider, f. 68; Willkomm, 4, 42, f. 71; Zuccarini, pi. 18. 

 0. austriacus [f. 6]. Schneider, f. 177. C. Mrsutus. Bose- 

 mann, 54; Schneider, f. 76; Willkomm, 42, f. 69. C. nigricans. 

 Bosemann, 54. C. purpureus. Schneider, f. 75. C. ratisbo- 

 nensis. Schneider, f. 76. C. scoparius (often referred to 

 Sarothamnus or Spartium). Bosemann, 38; Fant, 30, f. 32; 

 Schneider, f. 75; Willkomm, 43, f. 73. C. sessilifolius. Schnei- 

 der, f. 76. 8. supinus. Schneider, f. 177. 



