KOEBERLINIACEAE. 241 
KOEBERLINIA. All Thorn. 
(Family Koeberliniaceae). 
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Shrubs, horridly spiny by the 
ascending or horizontally spread- 
ing terete branchlets which taper 
somewhat acuminately into very 
sharp black spines: pith moder- 
ate, round, continuous. Buds soli- 
tary, sessile, not evidently scaly, 
very minute. Leaf-scars lacking, 
the minute scales which repre- 
sent the leaves drying on the 
twig. The branching is some- 
times alternate and very irregu- 
lar, and sometimes decussately 
opposite, as is the disposition of 
flower buds. 
Koeberlinia presents very much 
the appearance of some of the 
spiny Rhamnaceae, but differs 
from them in technical charac- 
ters. Only the one species is 
known. 
Velvety and minutely scabrous. K. spinosa. 
Winter-characters of Jdesia polycarpa, of the family Fla- 
courtiaceae, are given by Schneider, f. 84; and Shirasawa, 
283, pl. 13. 
