ALNUS.—CORYLUS. 299 
3. B. nana (L.); 1. roundish crenate glabrous, crenations ob- 
tuse, scales of the fem. catkin digitate-trifid, lobes equal, fr. or- 
bicular with a very narrow membranous margin. —E. B. 2326.— 
A small procumbent shrub with minute leaves and little catkins. 
—Turfy places in the Highlands. Sh. V. Dwarf Birch. s. 
5. Aunus Tourn. Alder. 
1. A. glutinosa (Gaert.); 1. roundish obtuse wavy serrated 
glutinous rather abrupt ‘vith a wedgeshaped base, axils of the 
veins beneath downy.—E. B. 1508. R. xu. 631. S¢.29. 15.— 
Trunk and branches crooked. Male catkins long and pendent ; 
fem. ones short, ovate or oblong, very persistent. A moderately 
large tree.—8. incisa; leaves deeply cut.—Wet places and river- 
banks. 8. Galloway. S. Dr. Balfour. T. III. 
Tribe IV. Cupulifere. 
6. Fagus Linn. Beech. 
1. F. sylwatica (L.); 1. ovate glabrous obsoletely dentate ciliate 
on the edges.— E. B. 1846. R. xii. 639.—A large tree.— Woods, 
particularly on calcareous soils. T. III. IV. 
7. Castanea Tourn. Chestnut. 
Tl. C. vulgaris (Lam.); 1. oblong-lanceolate acuminate mu- 
cronate-serrate glabrous on each side.—Fagus Sm., E. B. 886. 
R. xii. 640.— Height 50—80 feet. A magnificent tree. A doubtful 
native, often planted. T.V. Sweet Chestnut. E. 
8. Quercus Linn. Oak. 
1. Q. Robur (L.) ; 1. deciduous stalked obovate-oblong sinuate, 
lobes blunt, inv. much shorter than the ripe nut its scales ad- 
pressed.—a. Q. pedunculata (Ehrh.); young branches glabrous, 
petioles short, fr.-catkins long-stalked, fr. scattered. E. B. 1342. 
—B. Q. intermedia (D. Don); young branches glabrous, petioles 
short, 1. stellate-downy beneath, fr.-catkins shortly stalked, fr. 
approximate. Mart. Rust. 11.—y. Q. sessiliflora (Sm.); young 
branches downy, petioles long, 1. glabrous beneath, fr.-catkins 
subsessile, fr. approximate. . B. 1845.—Woods. T. IV. V. 
9. Coryius Linn. Hazel. 
1. C. Avellana (L.); stip. oblong obtuse, 1. roundish-cordate 
acuminate, involucre of the ovoid fr. bellshaped spreading torn 
at the margin.—E. B.723.—A shrubby tree. Young twigs hairy 
and glandular. L. downy beneath. Male catkins long, pendu- 
lous. Fem. fl. in ovate buds. Stigmas bright crimson.—Hedges 
and copses. Sh. TI. IV. Hazel Nut. 
