272 Obdbe 26.— TILIACE^. 



stigmas aa many aa oarpels. J^. dl^ or sucoulent, many-celiod, or l-celled by abor- 

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



Genera -38, speci&ft 350, native in all regions, but especially %yithin tlio tropica. Liico tlio Mal- 

 low.% the Lindenblootna abound in a wholesome mucilaginous juice, and a tough, stringy barX. 

 Of the liber of the European Lindens the celebrated Eussia matting is manufactured, and Ih 

 India various species of Corchorns yield a good substitute for hemp, used fur fishing-lines, neta, 

 rice-bags, etc. 



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

 as few as the petals; style very short, deciduous, stigmas 2 to 5 ; caf>- 

 sule roundish orsiliquose, 2 to 5-cellcd, many-seeded. — Herbs or shrubs 

 with yellow flowers. 



C. sillqndsus L. Branching, minut9ly hispid; Ivs. ovate-lanceolate, acuminat*, 

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

 — About N. Orleans (Hale). St. slender. Lva. 2 to 3' long, i aa wide, the vein- 

 lets running to the points of the serraturea. Fig. i-mekua, with 12 or 16 sta- 

 mens. Pod nearly 2' long, the numerous seeds iu 2 rowa. 



2. TILIA, L. LiNDBN OR Limb Tree. Calyx of 5, united sepals, 

 colored ; corolla of 5, oblong, obtuse petals, crenato at ape.x ; stamens 



CO, somewhat polyadelphous, each set (iu the N. American species) 

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

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

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

 vein of a large leaf-like bract. 



5 Staminodia 5, petaloid, opposite the petals Nos. 1, 2 



S Staminodia none. Stamens scarcely cohering No. 3 



1 T. Americana L. Bass-wood. Lvs. )>road 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 iu the 

 Northern and Mid. States. It often grows to the height of 801) 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, lineai- 

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

 Fruit woody, greenish, of the size of peaa. Jn. — The inner bark ia very strong, 

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

 in cabinet work and in the paneling of carriages. 



Waltem. Lvs. pubescent (buj; green) beneath. — A large tree, Va. to Fla' 

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

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

 cena Ait. T. lasiflora Mx. T. Americana Walt). 



2 T. heterophylla Vent. WraTE Bass-wood. Lvs. obliquely subcordate, 

 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. (Purah.) Not common. Trees 20 to 50f high. Lvs. very oblique at 

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

 with tho purple veins. Bract Unear-oblong. Gal. hoary, gradually pointed. IV. 



' globular. 



a ALBA. Lvs. whitish and minutely tomentous beneath, serraturea lino and 

 long-mucronate. — ]<ry. and southward along the mts. Tree of great si;;e. 

 One specimen (Rock Castle Oo.) I judged to bo 90f in hight, with wide-spread 

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



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

 abruptly acuminate, serrulate, twice aa long as the petioles, glabrous except .i 

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

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

 crophylla^ etc.) 



