512 



VITACEAE. 



Vol. II. 



Tilia americana L. Bass-wood. Ameiican Linden. White- wood. Fig. 2843. 



Tilia emericana L. Sp. PI. 514. 1753. 



T. glabra Vent. Mem. Acad. Paris 4 : 9. pi. 2. 1802. 



TiVia canadensis Michx. Fl. Bor. Am. 2: 306. 1803. 



A large forest tree, 6o°-i2S° high, with spread- 

 ing branches ; trunk 2°-5° in diameter. Leaves 

 obliquely ovate, cordate or sometimes truncate at 

 the base, 2'-$' wide, coriaceous, glabrous on both 

 sides, or with some pubescence on the veins of the 

 lower surface, sharply serrate with glandular teeth, 

 abruptly acuminate or acute; petioles I'-zf long; 

 floral bract 2-4' long, often narrowed at the base, 

 strongly veined; cymes drooping, 6-20-flowered; 

 flowers 5"-7" broad, fragrant; petals yellowish- 

 white, crenate, slightly longer than the pubescent 

 sepals; scales similar to the petals, but smaller; fruit 

 globose-ovoid, 4"-5" in diameter. 



In rich woods and along river-bottoms, New Bruns- 

 wick to Georgia, especially along the mountains, west 

 to Manitoba, Nebraska and Texas. Wood soft, weak, 

 light brown or reddish ; weight per cubic foot 28 lbs. 

 Used for cabinet work and for paper pulp. Bast-, lin-, 

 lime-, bee-, black-lime- or monkey-nut-tree. White-lind. 

 Southern linn. Yellow bass-wood. Wickup. Daddy- 

 nuts. Spoon-wood. Whistle-wood. May-June. 



2. Tilia pubescens Ait. Southern Bass-wood or 

 White-wood. Fig. 2844. 



Tilia pubescens Ait. Hort. Kew. 2; 229. 1789. 



T, americana var. pubescens Loud. Arb. Brit, i : 374. 1838. 



A small tree, 40°-50° high, with a trunk 1° in diam- 

 eter. Leaves generally smaller than those of T. amer- 

 icana, glabrous above, brown-pubescent, or sometimes 

 densely woolly beneath; floral bracts commonly broader 

 and shorter, narrowed or rounded at the base; fruit 

 globose, 2j"-3" in diameter. 



In moist woods, Virginia to Florida, west to Texas. Er- 

 roneously reported from farther north. Wood as in T. 

 americana, but lighter in weight, about 24 lbs. to the cubic 

 foot. May-June. 



Tilia leptoph^Ua (Vent.) Small, ranging from Missouri 

 to Texas, differs in its thinner, less hairy leaves, but is prob- 

 ably a race of this species. 



3. Tilia heterophylla Vent. 

 Bee-tree. Linden. 



White Bass-wood. 

 Fig. 2845- 



T. heterophylla Vent. Mem. Acad. Paris 4: 16. pi. 5- 1802. 



A forest tree, 4S°-7o'' high, with a trunk ll'-ai". in 

 diameter. Leaves larger than in either of the preceding 

 species (often 6'-8' long), inequilateral, cordate or trun- 

 cate, glabrous and dark green above, white beneath with 

 a fine downy pubescence, acute or acuminate; floral 

 bracts 3-5' long, narrowed at the base; flowers slightly 

 larger and often fewer than those of T. americana; 

 fruit globose, about s" in diameter. 



In woods. New York and Pennsylvania, south along the 

 Alleghanies and Blue Ridge to Florida and Alabama, west 

 to central Illinois, Kentucky and Tennessee. White linn. 

 Tell- or tile-tree. Cottonwood. Silver-leaf poplar. Wahoo. 

 Wood weak, light brown ; weight per cubic foot 26 lbs. 

 June-July. 



The European linden or lime-tree, Tilia europaea L., is planted as an ornamental tree in parks 

 and on lawns. It may be distinguished from any of our species by the absence of scales at the base 

 of the petals. Its name, Lin, was the origin of the family name of Linnaeus. 



