144 
LEGUMINOSAE. 
CLADRASTIS. Yellow-wood. 
(Family Leguminosae). 
Rather small trees: deciduous. 
Twigs moderate, terete, some- 
times zig-zag: pith moderate, 
round, continuous, usually pale. 
Buds sessile, either solitary and 
evidently scaly (1) or not dis- 
tinctly scaly and in superposed 
aggregates resembling single buds 
(2, 3), the end-bud lacking. Leaf- 
scars alternate, 2-ranked, half- 
round (1) or narrowly C-shaped 
and encircling the bud (2, 3), 
slightly raised: bundle-traces 3 or 
5: stipule-scars lacking. (Includes 
Maackia). 
Winter-character references:— 
C. amurensis. Schneider, f. 70. 
C. amurensis floribunda. Shira- 
sawa, 245, pl. 4. C. lutea. Blakes- 
lee & Jarvis, 331, 334, 520, pl.; 
Schneider, f. 4, 63, 70. 
The two groups represented respectively by Cladrastis 
(or Maackia) amurensis and by C. lutea and C. sinensis, show 
a very marked difference 
technical taxonomic grounds they are now united under a 
single generic name. : 
Buds with 2 exposed pale-margined scales. 
1. 
Buds not evidently scaly: 
. Twigs red-brown: buds short (scarcely 5 mm.). 
in winter-characters, though on 
(1). C. (Maackia) amurensis. 
leaf-scars narrow. 2. 
(2). C. lutea. 
Twigs buff: buds conical, 7-10 mm. long. (3). C. sinensis. 
