Chlora.} octandria — monogynia. 157 



ORD. II. TRIGYNIA. 3 Stales. 



10. Polygonum. Perianth single, inferior, in 5 deep, co- 

 loured, persistent segments. Stam. 5 — 8. Sti/Ies 2, 3. Fruit 

 a one-seeded, compressed or trigonous nut. — Nut. Orel. Poly- 

 gone^, Juss. — Named from to.Xj,, many, and yoyj, a knee or 



joint; from the numerous joints of the stem. 



ORD. III. TETRAGYNIA. 4 Styles. 



11. Paris. Ca/." of 4 leaves. Pet, 4. Cells o? t\\e anthers 

 fixed one on each side the middle of a ?,v\\i\\\'Aie filament. Berry 

 4-celIed ; each cell witli several seeds in two rows — Nat. Ord. 

 Smilace.e, Br. — Named, it is said, fvom par, parts, (equal), on 

 account of the regularity of its leaves and flowers. 



12. Adoxa. Cal. half-inferior, 3-cleft. Cor. superior, 4 — 5- 

 cleft. ^wMer terminal, 1-celled. Berry 4 — 5-celied. The side 

 flowers have the corolla 5-cleft, the terminal one 4-cleft. — Nat. 

 Ord. Araliace.^, Juss. — Named a, without, and bo^a, glory ; 

 from the humble and insignificant aspect of this little flower. 



13. El ATTN E. Cal. inferior, 3 — 4-partite, persistent. Pet. 

 3 — 4. Stam. 3 — 4? or 6 — 8. Styles 4 or 3, very short. Cops. 

 3 — 4-valved, 3 — 4-celled, many-seeded. Seeds cylindrical, fur- 

 rowed and transversely striated, attached to a central free recep- 

 tacle. — Nat. Ord. Elatine^e, Camb. — Name said to be derived 

 from tXarri, a pine, from which nothing can be more dissimilar 

 than our present plant. 



(See Sagina in Cl. IV.) 



OCTANDRIA— MONOGYNIA. 



1. Acer. Linn. Maple. 



1. A. * Pseudo-pldtanus, Linn, (greater Maple or Sycamore) ; 

 leaves 5-lobed unequally serrated, racemes pendulous, E. Bot. 

 t. 303. E. Fl. V. ii. p. 230. 



In hedges, plantations, and about houses. Fl. May, June. Tj . — A 

 large tree, with spreading branches and ample leaves. Flowers greenish. 

 Fruit with two long membranaceous wings, which greatly aid in its dis- 

 persion. The ivood is used for bowls and trenchers and other turner}'. 

 From an allied species, A. saccharinum, the Canadians extract a valu- 

 able sugar. 



2. A. campestre, L. {common Maple); lobes of the leaves 

 mostly 5 inciso-crenate, racemes upright subtoraentose. E. 

 Bot. t. 304. 



Woods and thickets ; not common in Scotland, and perhaps neither 

 indigenous there nor in Ireland. Fl. May, June. Tj . — A small tree with 

 rough bajk, full of deep fissures. Leaves small. Wood often beautifully 

 veined, and then much valued. 



2. Chlora. Linn. Yellow-wort. 

 1. C perfulidta, L. (perfoliate Yellow-ivort) ; leaves connato- 

 perfoliate ovate glaucous. E. Bot. t. 60. 



