272 Order 26.— TILIACE^E. 



Btigmas as many as carpels. Fr. dry or succulent, many-celled, or 1-celled by abor- 

 tion. Embryo in the axis of fleshy albumen. (Fig. 185.) 



Genera 3S, species "50, native in all regions but especially within the tropics. Like the Mal- 

 lows, the Lindeiiblooms abound in a wholesome mucilaginous juice, and a tough, stringy bark. 

 Of the liber of the European Lindens the celebrated Russia matting is manufactured, and in 

 India various species of Corchorus yield a good substitute for hemp, used for fishing-lines, nets, 

 rice-bags, etc. 



1. CORCHORUS, L. Sepals and petals 4 or 5 ; stamens oo, rarely 

 as tew as the petals; style very short, deciduous, stigmas 2 to 5 ; cap- 

 sule roundish or siliquose, 2 to 5-celled, mauy-seeded. — Herbs or shrubs 

 with yellow flowers, 



C. siliquosus L. Branching, minutely hispid; lvs. ovate-lanceolate, acuminate, 

 equally serrate, 4 times longer than the petioles; caps, siliquose, linear, 2-valved. 

 — About N. Orleans (Hale). St. slender. Lvs. 2 to 3' long, £ as wide, the vein- 

 lets running to the points of the serratures. Fls. 4-merous, with 12 or 16 sta- 

 mens. Pod nearly 2' long, tho numerous seed3 in 2 rows. 



2. TILIA, L. Linden or Lime Tree. Calyx of 5, united sepals, 

 colored ; corolla of 5, oblong, obtuse petals, crenate at apex ; stamens 



oo, somewhat polyadelphous, each set (in the N. American species) 

 with a petaloid scale (staminodium) attached at base ; ovary superior, 

 5-celled, 2-ovuled; capsules globous, by abortion 1-celled, 1 to 2-seeded. 

 — Trees, Lvs, cordate. Fls. cymous, with the peduncle adnate to the 

 vein of a large leaf-like bract. 



$ Stiminodia 5, petaloid, opposite the petals Nos. 1, 2 



$ Staminodia none. Stamens scarcely cohering No. 8 



1 T. Americana L. Bass-wood. Lvs. broad cordate, unequal at base, mucro- 

 nate-serrate, acuminate, coriaceous, smooth and green on both sides ; petals trun- 

 cate or obtuse at apex ; sty. as long as the petals. — A common forest tree in tho 

 Northern and Mid. States. It often grows to the height of 80f, the trunk straight, 

 and naked more than half this hight, and 3 to 4f diam. Lvs. 4 to 5' by 3 to 4', 

 those of the young shoots often twice these dimensions. Bracts yellowish, linear- 

 oblong. Petals yellowish white, larger than the staminodia opposite them. 

 Fruit woody, greenish, of tho size of pe'as. Jn. — Tho inner bark is very strong, 

 and is manufactured into ropes. The wood is white, soft, and clear, much used 

 in cabinet work and in tho paneling of carriages. 



/3 "Walteri. Lvs. pubescent (but green) beneath. — A largo tree, Ya. to Fla., 

 low country, in woods and along rivers. It takes the place of tho smooth var- 

 iety (a), which is common northward and along the Sits, to Ga. (T. pubes- 

 cen3 Ait. T. laxiflora Ms. T. Americana Walt). 



2 T. heterophylla Vent. "White Bass-wood. Los. obliquely subcordaie, 

 scarcely acuminate, white and velvety beneath, with darker veins, glabrous, shin- 

 ing, and dark green above, mucronately serrate ; petals obtuse, crenulate; stam- 

 inodia spatulate ; sty. hairy at base, longer than the petals. — Banks of the Ohio 

 and Miss. (Pursh.) Not common. Trees 20 to 50f high. Lvs. very oblique at 

 base, 3 to 5' diam., well distinguished by tho white surface beneath, contrasted 

 with tho purplo veins. Bract linear-oblong. Cal. hoary, gradually pointed. Fr. 

 globular. 



/? alba. Lvs. whitish and minutely tomentous beneath, serratures fine and 

 long-mucronate. — Ky. and southward along the mts. Tree of great size. 

 One specimen (Rock Castlo Co.) I judged to be 90f in hight, with wide-spread 

 branches, in open space. Reddish hairs in tho axils of the veins beneath. 



3 T. Europrea L. Lime Tree. Lvs. suborbicular, obliquely cordate, 

 abruptly acuminate, serrulate, twice as long as the petioles, glabrous except a 

 woolly-tuft in the axils of the veins beneath.— A highly ornamental tree with 

 very dense foliage, cultivated in parks. Bracts rhombic-oblong, f Eur. (T. mi- 

 crophylla, etc.) 



