fon) 
KEY AND FLORA 
FAMILY PAGE 
(Trillium) Lily. 8 
Styles or stigmas 3, separate. Petals 3, lasting 
several days. Leaves netted-veined .. 10. 
Style 1, stigma 3-lobed or 6-toothed. 
Corolla not actinomorphic, Aquatic herbs 
with parallel-veined leaves . 8. Pickerel Weed. 28 
+++ Perianth actinomorphic, its divisions all alike 
or nearly so, petal-like . . . . . . 10. Lily . . . . 8 
** Perianth not hypogynous. 
Anthers 6 ll. Amaryllis . . 48 
AHS ek we 4. ee wl A ec oe 
1 
Anthers 1 or 2 : Oyehig- . « 4 4% 
SUBCLASS II. —DICOTYLEDONS. Flowers usually with their parts in 
fives or fours, Leaves netted-veined. Cotyledons 2. 
I. Apetalous Division. Flowers without a corolla or without either calyx or 
corolla,.t 
A 
Flowers moncecious or dicecious, one or both 
sorts in catkins. 
(1) Staminate flowers in catkins, the pistillate ones 
solitary or clustered. 
Leaves pinnately compound . . . . . 16. Walnut 52 
Leavessimple. . . . «. . . « . . 18, Beech. 58 
(2) Both kinds of flowers in catkins. 
(a) Leaves alternate. 
Ovaries in fruit becoming fleshy and com- 
bining into an aggregate fruit . . . 20. Mulberry . . 64 
Fruit 1-seeded, a drupe or minute nut. 
Aromatic shrubs . . « . « . «» 15, Bayberry . . 61 
Fruit a capsule, seeds withsilky hairs. . 14. Willow . . . 48 
Fruit a minute nut or akene. Mostly large 
shrubs or trees, not very aromatic . . 17. Birch. . . . 54 
(b) Leaves opposite, small parasitic shrubs .  . 23. Mistletoe. . . 68 
B 
Flowers not in catkins, both calyx and co- 
volla wanting « < «2 & « « + 46) Sycamore... 113 
1 When only one floral envelope is present, this is said to be the calyx and 
the corolla is considered to be missing. 
