6 KEY AND FLORA 
Styles or stigmas 3, separate. Petals 3, lasting 
FAMILY 
PAGE 
several days. Leaves netted-veined . . 10. (Trillium) Lily . 
Style 1, stigma 3-lobed or 6toothed. 
Corolla not actinomorphic. Aquatic herbs 
with parallel-veined leaves . 
ttt Perianth actinomorphic, its divisions all alike 
or nearly so, petal-like . . . . . . 10. Lily 
** Perianth not hypogynous. 
Anthers6 . . . . . . . . . . 11 Amaryllis 
Anthers3 . . . . . . . . . . 12Trs . 
Anthers 1 or 2 eae Br ot ee a AB Orchis 
8. Pickerel Weed . 
30 
28 
SUBCLASS II. —DICOTYLEDONS. Flowers usually with their parts in 
tives or fours. Leaves netted-veined. Cotyledons 2. 
I. Apetalous Division. Flowers without a corolla or without either calyx or 
corolla.t 
7 A 
Flowers moncecious or dioecious, one or both 
sorts in catkins. 
(1) Staminate flowers in catkins, the pistillate ones 
solitary or clustered, 
Leaves pinnately compound . . . . . 16. Walnut 
Leavessimple. . . . . . . . . . 18. Beech. 
(2) Both kinds of flowers in catkins. 
(a) Leaves alternate. 
Ovaries in fruit becoming fleshy and com- 
bining into an aggregate fruit . . . 20. Mulberry 
Fruit 1-seeded, a drupe or minute nut. 
Aromati¢ shrubs... . . . 15. Bayberry 
Fruit a capsule, seeds with silky hairs. . 14. Willow 
Fruit 2 minute nut or akene, Mostly large 
shrubs or trees, not very aromatic . . 17. Birch . 
(6) Leaves opposite, small parasitic shrubs . . 23. Mistletoe. 
B 
Flowers not in catkins, both calyx and co- 
rolla wanting . . . . . . . . 45, Sycamore 
52 
58 
64 
61 
48 
54 
68 
118 
1 When only one floral envelope is present, this is said to be the calyx and 
the corolla is considered to be missing. 
