CHAP. CV. 



COR\'LA\;Em.. QVF/ncus. 



1945 



above, covered with fine yellow tomentum beneath. Male catkins aggregate, situated beneath the 

 female flowers. Male flower: calyx ."j-toothed, 5;tamens fi, antliers ovate, pollen yellow. Fe- 

 male flowers 4-f), sessile, on the apex of a peduncle about ^ in. long. Female flower : ovarv globose ; 

 styles or stigmas 5, red, thick. A native of New Spain, between Moran and Pachuca. t/. chryso- 

 phylla, as well as the preceding species, is found forming entire forests between Moran and Pa- 



1865 



chuca, at an elevation of 8400 ft. (1400 toises). It is re- 

 markable, on account of the position of its female flowers, 

 which are placed under the male flowers ; and al.so for the 

 beautiful golden colour of the under surface of the leaves ; 

 a peculiarity which distinguishes it from every other de- 

 scribed species of oak. Michaux mentions that this tree 

 is remarkable for the thinness of its foliage. 



Q. pulchHla Humb. et Bonp. PI. ^quin., t. 88., and 

 our Jig. 186ti., Michx. N. Amer. Syl., 1. p. 110. Leaves 

 oblong, obtuse; emarginate at the base; covered with 

 white down beneath; teeth short, mucronate. Fruit ses- 

 sile, almost solitary. {Hvmb. et Bonp.) A shrub from 12 ft. 

 to IH ft. high, with a trunk about 2 ft. in circumference, and a smooth bark. Branches alternate, 

 round, covered with tubercles, or callous dots. Leaves crowded towards the tips of the branches ; 

 1^ in. to 2 in. long, on longish footstalks, leathery, wavy on the margin ; shining above, reticu- 



lately veined and co- 

 vcrtd with white 

 down beneath. Fe- 

 male flowers axil- 

 ^ K'r),solitary,or twin. 

 '^.^^ Cup spherical. Scales 

 roundish-oval, close- 

 ly imbricated; ex- 

 ttrnally downy on 

 the back, membrana- 

 ceous. Nut ovate, 

 -( arcely longer than 

 the cup. A native of 

 the mountainous re- 

 gion of New Spain, 

 between Guanajuato 

 and Santa Rosa, at 

 an ilcvation of 8400 

 tt , J400 toises). It 

 has considerable af.. 

 tnnty with Q. side- 

 rowla (p. 1913.); but 

 It diflers in its height 

 and habit of growth; inihe form and consi-tency of its leaves ; 

 in their being cut in their petioles, and, la.-tly, in the size of 

 its fruit, which are larger than in Q. sidcruxyla. lR(i7 



Q. spicata Humb. et Bonp. PI. .SEquin., t. Sa, and our Jig. •"'"' 

 18G7., Michx. N. Amer., 1. p. 111. Leaves elliptic or 

 obovate, emarginate at the base, remotely toothed, downy be- 

 neath. Female sj)ike on a long footstalk. {Humb. et Buiip.) 

 A tall tree, from 30 ft. to 40 ft. high. Branches and younf; t^-"^' 

 leaves covered with clusters of down. Leaves on short foot- ' 

 stalks, somewhat wedge-shaped, oboval, or for the most part 

 elliptic; roundish. obtuse ; glaucous and shining above, to- 

 ™!"I:°!! ''Sl'^fi''.' ''i'.''' 'V ^''""^■, reticulatolyveined, downy. Female flowers in spikes or sessile 



1860 



in the upper halt: they are furnished with short thick footstalk.s membranaceous, and not cori 

 aceous ; and, instead of being almost sessile, they are supported on long footstalks 



Q.jUpularis Humb. et Bonp. PI. ^qnin., t. 90., and our fig. 181.8., Michx.' N. Amer. Syl. 

 p. 109. Leaves oboval, sharply toothed towards the point; teeth terminated by raucros ; covered 



