16. TILIACE^. 65 



2. Alth^'a Linn. 



1. A. officinalis (L.) ; 1. soft on both sides crenate or crenate- 

 serrate cordate or ovate 3 — 5-lobed, ped. axillary many-fl. 

 shorter than the leaves, st. downy.— i2. v. 173. — St. 2—3 feet 

 high. Covered with soft velvety pubescence. — Marshes, parti- 

 cularly near the sea. P. VIU. IXt Marsh Mallow. E. S. ? I. 



t2. A hirsuta (L.) ; 1. hispid cordate, lower 1. renifonn bluntly 

 o-lobed, upper 1. palmate with 5 or 3 acute lobes, ped. axillary 

 1-flowered longer than the leaves, st. hispid. — E. B. S. 2674. 

 -ffi. V. 172.— Stem and calvx very hispid. — ^Between Cobham and 

 Ouxton, Kent. A. VI. VU. E. 



3. Lavate'ea. Linn. Tree-Mallow. 



1. Z. arh&rea (L.) ; st. woody, 1. 7-angled plaited velvety, 



fed. axillary clustered 1-flowered shorter than the petioles. — 

 1. large, purplish rose-coloured vsdth darker veins. St. 3 — 8 

 feet high.— Maritime rocks, rare. B. Vll— IX. E. S. I. 



Order XVI. TILIACE^. 



Sep. 4 — 5, valvate in the bud. Pet. 4 — 5. Stam. many, 

 distinct, or slightly connected into bundles at the base ; anth. 

 2-ceUed, bursting longitudinally. Glands 4 — 5 at the base of 

 the petals. Fr. 4 — 10-celled, several seeds in each cell ; or by 

 abortion 1-ceUed 1-seeded. Embryo erect in the axis of fleshy 

 albumen; cotyledons flat, leafy. — L. alternate, with stipules. 



1. TiLiA. Sep. 5, deciduous. Pet. 5, with or without a scale 

 at the base. Stam. many, free or polyadelphous. Ovary 

 globose,, o-celled, cells 2-seeded. Style 1. Fr. 1-ceEed, 

 with 1 or 2 seeds. — No scale to the pet. in our plants. 



1. Til'ia lAnn. lime-tree. 



Jl. T. europce'a (L.) ; I. obliquely cordate glahrmis except 

 wooUy tufts at the branching of the veins beneath, ped. many- 

 flowered, ripe fr. not ribbed coriaceous downy. — Fl. in a naked 

 cyme springing from a lanceolate leaf like bract. L. thin, mem- 

 branous, light transparent green, twice the hngth of their petioles. 

 — ^In many old plantations. T. YII. E. S. 



2. T. parvifdlia (Ehrh.) ; I. obliquely cordate glabrous except 

 woolly tufts at the branching of the veins beneath, ped. many- 

 flowered, /r. oblique angular thin and brittle. — L. thick, coria- 



