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, 
52; DLN 16. 
Not weeping. L. anagyroides. 
Weeping. L. anagyroides pendulum. 
Winter-character references to Oytisus:—C. alpinus. 
Schneider, f. 68; Willkomm, 4, 42, f. 71; Zuccarini, pl. 18. 
C. austriacus [f. 6]. Schneider, f. 177. C. hirsutus. Bose- 
mann, 54; Schneider, f. 76; Willkomm, 42, f. 69. OC. nigricans. 
Bosemann, 54. C. purpureus. Schneider, f. 75. C. ratisbo- 
nensis. Schneider, f. 76. OC. scoparius (often referred to 
Sarothamnus or Spartium). Bosemann, 38; Fant, 30, f. 32; 
Schneider, f. 75; Willkomm, 438, f. 73. C. sessilifolius. Schnei- 
der, f. 76. S. supinus. Schneider, f. 177. 
