APPENDIX ON PRACTICAL WORK. 167 
Exs.—Clematis, anemone, buttercup, lesser celandine, Christ- 
mas rose, marsh mazigold, larkspur, monk’s-hood, peony. 
Order 2.—Papaveraces.—Herbs with milky juice. Leaves, scattered, 
exstipulate. Flowers, regular. Sepals, 2, usually caducous. 
Petals, 4. Stamens, indefinite, arranged in alternating whorls. 
Gynactum, synearpous. Placentation, parietal (fig. 67, B). 
Exs.—Poppy, greater celandine, Californian poppy (Esch- 
scholtzia). 
Order 3.—Cruciferse.—Herbs. Leaves, scattered, exstipulate. In- 
florescence, a raceme without bracts. Flowers, generally regular. 
Sepals, 4,in two whorls. Corolla, cruciform. Petals, 4, alternating 
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Fic. 67.—Floral Viagrams of: A. a buttercup; B. a poppy; C. crucifere ; 
D. violacez ; E. caryophyllacee. 
with sepals, and placed obliquely (see fig. 38). Stamens, tetrady- 
namous, in two whorls, Gynecium, syncarpous. Carpels, 2, 
lateral. Fruit, a siliqua (fig. 67, C). 
Lxs.— Wallflower, stock, watercress, cabbage, turnip, horse- 
radish, radish, shepherd’s purse, candytuft. 
Order 4.—Violaces.—Herbs. Leaves, scattered, stipulate. lowers, 
irregular. Floral formula, Ca 5, Co 5, An 5, Gn ®. Petals, the 
odd anterior (lower) one with aspur. Stamens, two lower ones 
with nectaries. Placentation, parietal. Fruit, a loculicidal 
capsule (fig. 67, D). 
Exs.—Violet, pansy. 
Order 5.—Caryophyllacee.—Herbs. Stem, usually swollen at the 
nodes. Leaves, decussate. Inflorescence,cymose. lowers, regular, 
