KEY TO THE GENERA OF TREES 55 
V. Leaves evergreen, small, 2-3 in, long, thick, with revolute mar- 
< 
gins, Fruit anacotns os aad eave vege ecdeeesk 88. Quercus. 
Hruitited ‘berries: + sediwaenerdawesies mces soeeicac aes 18. Ilex. 
. Leaves evergreen, oval to lance-oval, usually large; small trees, 
almost shrubs. (d.) page 56. 
V. Leaves deciduous (some are evergreen in Southern States). (W.) 
MM NM OM 
N NNN 
W. Plant more or less spiny. (c.) 
W. Plant not at all spiny. (X.) 
. Leaf-blade thin, ae pointed, with curved parallel veins or 
FDS) oye hi yenaswe Dearest reac er cdaoMaenee waded 45. Cornus. 
. Leaf-blade thin, circular or broadly oval in outline, with blunt, 
almost rounded apex; veins not regularly parallel ..27. Rhus. 
. Leaf quite elongated, 5 or more times as long as wide. (b.) 
. Leaves with nono of the above peculiarities. (Y.) 
Y. Deciduous bud-seales (stipules), leaving a sear or mark com- 
pletely around the stem at the base of the leaves. 1. Magnolia. 
Y. Leaves covered on one or both sides with silvery scales .... 
shisetltid te aE acs ECM RI bay Be esatlertide WAAR Sins ina at 8 Are cuamed 71. Eleagnus. 
Y. No such ring around the stem, or silvery scales on the leaves. 
(Z.) 
. Leaves distinctly straight-veined, thin............. 90. Fagus. 
. Leaves thick, obtuse; fruit an acorn .. ......... 88. Quercus. 
. Leaves 6 in. or more long; crushed leaves with a rank, fetid 
GAOT 6 nscidgata teh Deee ar weaiekegenate: RESSKas 5. Asinina. 
. Leaves 3-5 in. long; twigs and leaves very spicy; tree or 
SHIUDs ss ssees0e-daad auaemeeces 69. Sassafras 70. Lindera. 
. Leaves about 2 in. long, oval, on twigs which have ridges extend- 
ing down from the sides of the leafstalk; small tree, almost 
a shrub, with large beautiful flowers ......... 43. Lagerstremia. 
. Leaves not as above. (a.) 
a. Fruit a large (14-114 in.) rounded pulpy berry with a heavy 
calyx at the base... i.cessaceciadaesnssecnoin 55. Diospyros. 
a. Fruit small (1% in.), fleshy, drupe-like, with a striate stone; 
limbs branching horizontally, often descending ...46. Nyssa. 
a. Fruit a black, juicy berry (44-44 in.), with about 3 seeds 
Higlas Madah_ ohn lestsey shaven tgoiednaen tar coahog wloaeltpinatal se - ....20. Rhamnus. 
a. Fruit an ovoid dry drupe (14 in.); leaves sweet-tasting 
praca, “1 aahaunteertiaiy a, Saas bbisnataccry ah ariweitvehsicedesaMce . 59. Symplocos. 
a. Fruit an apple-like pome (Quinee)................ 37. Pyrus. 
pb. Wood soft; both kinds of flowers in catkins in spring; with 
either stipules or stipular sears..................464. 91. Salix. 
b.. Wood hard; leaves thick; fruit an acorn.......... 88. Quercus. 
c. Fruit a 2-4-seeded small berry; juice not milky...... .. 
enone, enn accel ae or 20. Rhamnus. 
