1918] SARGENT—TILIA 509 
coated on the lower surface with hoary tomentum, 10-17 cm. long 
and 8-12 cm. wide; petioles slender, glabrous, 4-7 cm. in length. 
Flowers 10-12 mm. long, on stout sparingly pubescent pedicels in 
mostly 7—10-flowered, thin-branched, glabrous corymbs; peduncle 
slender, glabrous, the free portion 3.5~4 cm. in length, the bract 
gradually narrowed and cuneate or rounded at base, narrowed and 
rounded at apex, glabrous, 10-14 cm. long and 2-2.5 cm. wide, 
its stalk varying in length from 1 to 2.5 mm.; sepals ovate, acute, 
ciliate on the margins, covered on the outer surface with short 
pale pubescence and with silky white hairs on the inner surface; 
petals lanceolate, acuminate, twice longer than the sepals; stami- 
nodia oblong-lanceolate, rounded at the narrowed apex, as long or 
nearly as long as the petals; style clothed at the base with long 
white hairs. Fruit ovate to ellipsoidal, covered with pale rusty 
tomentum, 7-8 mm. long and 6-7 mm. in diameter. 
A tree rarely exceeding 20 m. in height with a trunk 1-1.10 m. in diameter, 
slender branches forming a narrow rather pyramidal head, and stout glabrous 
branchlets usually bright red during their first year, becoming brown in their 
second season. Winter-buds compressed, ovate, acute or rounded at apex, 
light red, covered with a glaucous bloom, 7-10 mm. long. Bark of the trunk 
1.5 cm. in thickness, deeply furrowed, the surface broken into small, thin, 
light brown scales. Flowers from July 12 to July 25. Fruit ripens in 
September. 
Nort Carorina.—Highlands, Macon County, at an altitude of about 
600 m., 7. G. Harbison (many specimens), June, July, and September rors; 
Busbee Mountain, near Biltmore, July 5 and September 16, 1897 (ex herb. 
Biltmore 1030 B). 
TENNESSEE.—Johnson City, Washington County, Gray, Sargent, Redfield, 
and Canby, June 21, 1877. 
ViRGINIA.—Farmer Mountain, on New River, Cornell County, J. K. 
Small, July 12, 1892, “‘altitude 2200 feet.” 
This tree has long been confounded with T. heterophylla and its variety 
Michauxii. From these trees it differs in its larger leaves generally more ob- 
lique at base, covered below with a denser, always silvery white, tomentum, 
its longer petioles, its fewer flowered corymbs and in its larger flowers which are 
larger than those of the other American lindens. It differs, too, in its stouter 
branchlets, and in the winter-buds which are red, compressed, and much larger 
than those of other American lindens. At Highlands, North Carolina, where 
this and T. heterophylla var. Michauxii are common at altitudes between 400 - 
and 600 m., T. monticola flowers 10 or 12 days later than the other tree. The 
specimen from Johnson City, Tennessee, although it is from a much lower 
