3. Nothofagus pumilio Krasser. Shrub or low tree, S. America. Not introduced. Leaves ovate, 1 to 1¼ inch long; lateral nerves five to seven pairs ; regularly bicrenate in margin, with two teeth between the ends of each adjacent pair of nerves. Young branchlets clothed with dense yellow pubescence.
4. Nothofagus obligua, Blume. Large tree, S. America. Introduced. Leaves, 1 to 24 inches long, ovate-oblong, glaucous beneath ; lateral nerves seven to eleven pairs; lobulate and serrate in margin.
5. Nothofagus procera, Oerstedt. Large tree, S. America. Not introduced. Leaves, 2 to 34 inches long, oblong; lateral nerves fifteen to sixteen pairs ; doubly serrate in margin.
6. Nothofagus Gunnii,’ Oerstedt. Shrub, Tasmania. Not introduced. Leaves, 4 inch long, ovate; lateral nerves six pairs, prominent beneath; margin regularly crenate, with one tooth between the ends of each adjacent pair of nerves.
II. Leaves evergreen, margin not entire. In this section, the leaves are usually very coriaceous, and glabrous, or with only slight pubescence.
A. Leaves minutely crenulate in margin.
7. Nothofagus apiculata,s Krasser. Tree attaining 40 feet in height, New Zealand. Not introduced. Leaves 1 inch long, elliptical, conspicuously mucronate at the apex.
B. Leaves crenate in margin.
8. Nothofagus Menziesiz, Oerstedt. Large tree, New Zealand. Introduced. Leaves, ½ inch long, ovate, rhomboid or orbicular, doubly crenate, with two pubescent pits on each side of the midrib near the base on the lower surface.
9. Nothofagus Cunninghami, Oerstedt. Large tree, Australia, Tasmania. Introduced. Leaves, 4 inch long, ovate, deltoid or rhomboid, simply crenate ; lower surface without pits or resinous papille.
10. Nothofagus betuloides, Blume. Large tree, S. America. Introduced. Leaves, $ to 1 inch long, ovate, crenate or obtusely dentate; lower surface dotted with resinous papillz.
C. Leaves serrate in margin.
11. Nothofagus Dombeyi,° Blume. Large tree, S. America. Not introduced. Leaves, 1 inch long, lanceolate ; nerves six pairs; lower surface dotted with resinous papille.
12. Nothofagus nitida,’ Krasser. Large tree, S. America. Not introduced. Leaves, 1 to 1% inch long, trapezoid-ovate, acuminate; nerves six pairs; lower surface not dotted,
13. Nothofagus fusca, Oerstedt. Large tree, New Zealand. Introduced.
1 Fagus pumilio, Poeppig et Endlicher Nov. Gen. et Sp. ii. 68 t. 195 (1835). Fagus antarctica, var. bicrenata, DC. Prod. xvi. 2, p. 120 (1864).
2 Fagus procera, Poeppig et Endlicher, Nov. Gen. et Sp. ii. 69, t. 197 (1835).
3 Fagus Gunnii, Hooker, Icon. Plant. t. 881 (1852).
4 Fagus apiculata, Colenso, Trans. N. Zeal. Instit. xvi. 335 (1884).
5 Fagus Dombeyi, Mirbel, Mém. Mus. Paris. xiv. 467, t. 24 (1827).
6 Fagus nitida, Philippi, Linnæa, xxix. 44 ( 1857).
