742 



TREES OF NORTH AMERICA 



hoary-tomentose pedicels, in wide thin-branched pubescent many-flowered (sometimes 

 50) cymes; peduncle thickly covered with fascicled hairs, the free portion \ f long, its bract 

 oblong, unequally rounded at base, rounded at apex, glabrous on the upper surface, pubes- 

 cent on the lower surface, 4 '-6' long, l'-2' wide, usually shorter than and decurrent nearly 

 to the base of the peduncle; sepals acuminate, coated on the outer surface with pale or 

 slightly rusty pubescence, villose and furnished at base on the inner surface with tufts of 

 long hairs; petals lanceolate, acuminate and ciliate at apex, about a third longer than the 

 sepals; staminodia spatulate, acute, about half the length of the petals; style coated at 

 base with long white hairs. Fruit subglobose, covered with rusty tomentum, about $' in 

 diameter. 



A tree with slender branchlets thickly coated during their first year w 7 ith pale pubes- 

 cence, dark red-brown or gray and puberulous during their second season. Winter-buds 

 covered with pale pubescence. 



Distribution. Western Louisiana. (Calcasieu and Jefferson Davis Parishes) to Hemp- 

 stead County, Arkansas, and through eastern Texas to the valley of the upper Guadalupe 

 River, Kerr County. 



10. Tilia texana Sarg. 



Leaves thin, oblong-ovate, abruptly contracted into a long slender acuminate point, cor- 

 date or obliquely cordate at base, finely dentate with broad apiculate teeth, early in the 



Fig. 668 



season pubescent above with scattered fascicled hairs and covered below with brownish 

 slightly attached pubescence, and in the autumn light yellow-green, lustrous and nearly 

 glabrous on the upper surface, slightly pubescent on the lower surface, 4'-5|' long and 

 3j'-5' wide, with a slender midrib and primary veins sparingly villose on the upper side and 

 nearly glabrous on the lower side, and small axillary tufts of brownish hairs; petioles 

 slender, pubescent W 7 ith fascicled hairs, l'-l|' in length; leaves on vigorous shoots often 

 furnished with one or two large lateral acuminate serrate lobes, more coarsely dentate 

 and more thickly covered on the lower surface with pubescence, often 5^'-6' long and 3|'-6' 

 wide. Flowers opening the middle of June, \' long, on slender tomentose pedicels, in small 

 villose-pubescent mostly 7-1 0-fl owe red cymes; peduncle slender, slightly villose-pubescent, 

 the free portion \\'-\\' in length, its bract oblong-ovate to slightly obovate, unsymmetri- 

 cally cuneate at base, rounded and occasionally lobed at apex, glabrous on the upper sur- 



