128 BRITISH BOTANY. 



subcordate-ovate, subacute. Cymes few -flowered ; sepals broad, 

 unequal, half as long as the petals. Styles exceeding the stamens. 

 Capsule ovate. — (See ' Phytologist,^ N. S. vol. i. p. 117.) A loca- 

 lity for this plant, especially if accompanied with a specimen, 

 would much oblige the Editor. 



Sect. III. Stamensuot numerous, in tliree parcels. Capsules l-celled, 3-valved. 



H. elodes, Lin. Marsh St. John's-worf. — e.b. 109. l.b.s. 

 223. 



A. 14. C. 40. Lat. 50-60°. Alt. 0-350 yds. Tern. 52-45°. 



Stems prostrate (often floating), erect at the summit,- roo/iw^ 

 at the base, white-tomentose. Leaves ovate or roundish, slightly 

 cordate at the base. Sepals five, united at their base, ovate, with 

 glandular fringes. Styles three. Capsule l-celled, with three 

 valves. 



In turfy bogs. Perennial ; July, August. 



ACERACEiE, DC. The Maple-tree Family. 



Trees with aqueous, saccharine sap. Leaves opposite, lobed 

 or palmate. Flowers regular, in corymbs or in pendulous clus- 

 tered panicles. Sepals five, rarely 4-9, united at the base, cadu- 

 cous, often coloured. Petals as many as the sepals, inserted on 

 the edge of a thick, annular disc, rarely wanting. Stamens usually 

 eight, inserted on the disc. Anthers 2-lobed, introrse. Ovary 

 free, composed of two carpels. Ovules attached to the inner angle. 

 Style simple; stigmas two. Fruit dry, dividing into two one- 

 seeded, winged, indehiscent carpels. Seed ascending. Perisperm 

 none. Embryo plicate, with leafy, involute cotyledons. Radicle 

 approaching the hilum. 



Acer, Lin. — Usually large trees, with polygamous flowers (per- 

 fect, and male and female) . Calyx 5 -parted. Petals five. Anthers 

 on subulate filaments. 



A. Pseudo-platanus, Lin. Sycamore. — e.b. 303. l.b.s. 226. 



Alien. Reported from fourteen counties. Is there a county 

 within the four seas where this tree does not grow ? A large tree, 

 with spreading branches and smooth bark. Leaves notched or 

 cordate at the base in five acute lobes, shining and leathery above, 

 whitish and pubescent on the under side. Flowers yellowish- 

 green, in elongated, pendulous clusters. Fruit convex on both 

 sides, with broad, nervous, membranous wings, which taper at 



