4— Carpetweed Family, fleshy plants, opposite or whorled 
leaves. Carpetweed {Mo l In go vet ticillata) Am. 
5— Pokeweed Family, carpels united in ring, becoming a 
berry. Pokeweed {Phytolacca decandra) Am. 
Polypetalae 
6— Pink Family, opposite leaves, swollen joints. Bouncing 
Bet {Saponaria officinalis) Eu.; Chickweed ( Stella t ia media ard 
graminea ) Eu.; Mouse-Ear Chickweed {Cerastium vu/gatum) Eu. 
7— Purslane Family, fleshy plants, sepals fewer than petals. 
Purslane {Portulacca oleracea) Eu. 
8— Buttercup Family, stamens numerous, all parts separate. 
Tall Buttercup {Ranunculus acris) Eu., Creeping Buttercup (/?. 
repetis) Eu. 
9— Mustard Family, 4 sepals, 4 petals, 4 long and 2 short sta- 
mens. Western Cress {Radicula sinuata ) Am.; Peppergrass 
{Lepidium virginicutn) Eu.; Shepherd’s Purse {Capsella Bntsa- 
pastoris) Eu.; Black Mustard (Brassica nigra ) Eu.; Hedge Mus- 
tard {Sisytnbrium officinale) Eu. 
10— Poppy Family, milky or colored juice, 2 sepals, fugacious. 
Celandine {Chelidonium majus) Eu. 
11— Mignonette Family, parts unsymmetrical, stamens on 
one-sided disk. Wild Mignonette {Reseda lutea ) Eu. 
12— Rose Family, numerous stamens on calyx, leaves with 
stipules. Cinquefoil {Potentilla canadensis) Eu. and Am. 
13 — Pea Family, corolla papilionaceous, leaves usually 
compound. Red Clover ( Trifolium pt a tense) Eu.; Alsike Clover 
{T. hybridum) Eu.; White Clover (7'. tepens) Eu.; Yellow Clover 
( T. agrari um) Eu.; Sweet Clover {Melilotus alba) Eu.; Yellow 
Sweet Clover {A/, officinalis) Eu ; Alfalfa {AJedicago sativa) Eu.; 
Tick Trefoil {Desmodium canaaense) Am. 
14— Geranium Family, 5-parted flowers. Small- flowered 
Cranesbill {Geranium pusillum) Eu. 
15— Wood Sorrel Family, 5-parted flowers, 3 leaflets. Wood 
Sorrel {Oxalis stricta) Eu. 
16 — Spurge Family, milky juice, usually apetalous, ovary 3- 
celled. Cypress Spurge {Euphorbia Cyparissias) Am.; Spotted 
Spurge {E. maculata) Am.; Three-seeded Mercury rf; - 
ginica) Am. 
17 — Sumach Family, shrubs, ovary 1-celled, 1 ovule. Poison 
Ivy {Rhus Toxicodendron) Am. 
