360 ASHE: NOTES ON TREES AND SHRUBS 
to be sufficiently different from that species to be treated as a. 
species. C. pumila never has small glabrous interior leaves; 
the pubescence is soft and velvety. The spines on its involucre 
are usually densely set, straight, and the tips are quite glabrate. 
The foliage of C. idem is densely pubescent wry at the 
tips of the shoots and the I set with canescent 
spines. Its pubescence is invariably ‘hort : and close. C. Mar- 
garetta has the same type of involucre as C. floridana and its 
leaves at the ends of vigorous shoots have much the same kind 
of very close white pubescence and are often glaucescent. It 
differs from C. floridana in having far longer and stouter aments 
in its much larger leaves which are relatively broader while the 
interior leaves are soft pubescent and green beneath or glabrate 
and glaucescent. In C. floridana the pubescent leaves are nar- 
rowly lanceolate and the interior and glabrate leaves are pre- 
vailingly lanceolate. In C. Margaretta the leaves which are 
white pubescent beneath are lanceolate and the interior leaves 
are broadly oblanceolate or oblong obovate. 
So far as is known C. floridana is confined to the immediate 
coast region of the southeastern states. C. Margaretta is con- 
fined to the section from north central Alabama (a doubtful 
specimen from Augusta, Georgia) and northeastern Texas to. 
middle Arkansas. 
During the past two years Mr. J. H. Johnson of the Forest 
Service has furnished material from different parts of Arkansas. 
which seems to show that to the north of the Arkansas River 
and within the Ozark Mountain region Castanea Margaretta is. 
replaced by two other chinquepins, the descriptions of which 
follow: 
/ Castanea ozarkensis sp. nov. 
ee becoming 12 m. high. Leaves spreading, coarsely 
ae teeth about 5 mm. long, often mucronate; sun leaves. 
arentite. 12-20 cm. long, bright green above, closely yellowish 
or tawny pubescent beneath; shade leaves much broader, 
Staminate aments 12-15 em. long, 7-8 mm. thick. — be 
large almost sessile spikes, at times 1.2 dm. long, is 2.7 to 3.2 
thick, the densely set sae I.~1.3 cm. long; nut, jc as 
1.5 cm. long, dull bro 
Common north of pe Arkansas River from Center Ridge,. 
Arkansas, northward to southwestern Missouri and westwar 
