-2 LINDEN FAMILY 



with the petal scales in 5 groups; ovary 5-celled, with 2 ovules in each 

 cell, style simple, stigma 5-toothed ; fruit dry, indehiscent, 1-2-seeded, 

 drupe-like, more or less globose. 



Propagated from stratified seed, though these often fail .to germinate 

 until the second year; also from cuttings grown in a solar pit. 



A genus of 12 species, all native to the north temperate zone. 



Key to the Species 



1. Petioles smooth; leaves 8-10 cm. and more 



long T . americana 



2. Petioles hairy, especially at the blade; leaves 



5-8 cm. long T. eurofiaea 



Tilia americana Linne 1753 Basswood, American Linden, 



Bee Tree 



Medium or tall tree, 30-75 ft. high, 1-3 ft. diam. ; bark smooth for a 

 long time, reddish grey, and with shallow ridges; leaves broadly ovate, or 

 rounded, deeply and sharply toothed, tip abruptly sharp-pointed, base 

 irregular, one side 2-5 cm. longer than the other, smooth above and be- 

 low, prominently veined, 8-25 cm. long, 6-15 cm. wide, petioles smooth. 

 4-8 cm. long; flower bract oblong, veiny. 6-15 cm. long, 1-3 cm. wide 

 clusters 8-20-flowered, flowers 1 cm. wide, fragrant, nectar-bearing: 

 petals creamy or yellowish, oblong, narrow, longer than the lanceolate 

 hairy sepals; fruit globose, hairy. 6-8 mm. diam., often persisting all 

 winter ; a m e r i c a n a, American, referring to its native home. 



In rich soil, common through the central and southern portions, 

 especially dominant in the "Big Woods," rare northward ; New Bruns- 

 wick- (la-Tex-N ebr- Manitoba. 



Wood light brown, soft, weight 28 pounds per cubic foot: used for 

 carriages, furniture, panels, inner soles of slioi-s. paper pulp, wooden 

 ware, and the tough bark for mat fiber, cordage, etc. 



Tilia europaea Linne 1753 Lime Tree, European Linden 



Tall tree, 40-80 ft. high, 1-3 ft. diam.; bark dark, ridged, leaves 

 obliquely and broadly ovate or rounded, finely and sharply toothed, 

 abruptly pointed, very oblique and irregular at the base, smooth above. 

 more or less hairy below, especially on the veins and at the angles, and 

 usually with a characteristic weft of hairs at the base, 5-8 cm. long. 



