222 
Spring Flora of Oklahoma 
Androstephium __ 8 
Anemone _—_ 40 
Annonacese_ _ 43 
Antennaria _ 194 
Anticlea _ 4 
Aphanostephus — _—_ 189 
Apocynacese __ 134 
Apocynum __ 134 
Araceae_ _ 1 
Arabis __ _ _ _— _ 57 
Arenaria __ 42 
Argemone __ 48 
Arissema __ 1 
Arrow-leaved Violet _ 112 
Arum Family _ 1 
Aselepiadacese — --—_ 135 
Asclepias _____ _135 
Asclepiodora __ 137 
Asimina_ _ 44 
Astragalus __ 8 
Baby-blue-eyes __ 
Baccharis _ 
Baptisia -- 
Bass-wood __ _ 
Beaked Corn Salad- 
Bear-grass __ _ 
Beech, American - 
Beech Family _ 
Bedstraw Milkweed _ 
Bellflower Family _ 
Beilis — ___ 
Berlandiera _ 
Berlandier’s Yellow Flax 
Betulaceae __ 
Betula — - 
Bicknell’s Crane’s-bill _ 
Bignoniaceae __ 
Birch Family _ 
Bird’is-foot Violet _ 
Birch, Red _ 
Birch, River __ 
Bitter Dock _ 
Bitter Nightshade _ 
Bitter-nut __ 
Black Eyed Susan _ 
142 
193 
72 
107 
177 
6 
23 
22 
135 
178 
189 
195 
80 
21 
22 
82 
100 
21 
111 
22 
22 
3G 
159 
18 
100 
