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130 INTRODUCTION TO BOTANY. .
^ One-petaled, movopetala, unipetala. A single petal
not entirely surrounding the sexual organs, as in the gamopetalous
corollse. Amorpha.
4. Form.
Crosslike, Corolla cruciformis. Regular and composed
of four petals with long claws, and the expansion open,
disposed in a cross. Cruciferse.
Roselike, rosacea, roselata. Regular and composed of
three, four, or five petals, with short claws, and diverging
from one another. Rosacese, Dryadeae, Chelidonium,
Papaver.
Clovegilliflowerlike, caryophyllata. Regular and composed
of five petals, the claws being very long, but surrounded
and hidden by the calyx. Dianthus, Silene.
Butterflylike, papilionacea. Composed of five petals, of
three different forms and sizes, and to which peculiar
names have been assigned. Leffuminosae.
1. The standard, Vexillum. The large wide petal,
usually turned back, that overtops the others.
2. The two wings. Alee, Talarce. The two side petals.
3. The keel. Carina, Scaphium,— tropis. Formed of the
two lowermost petals usually turned up at their tip, and
either touching each other, or soldered together.
Irregularly many petaled, polypetala anomala. Composed
of irregular petals, but not buttei'flylike. Aconitum,
Delphinium, Tropaeolum, Viola.
Tubulate, tuhulaia. Monopetalous, regular, with a tube.
Many labiatse.
Tubulous, luhdosa. Monopetalous, regular, with a tube
longer than the diameter of the tube. Hamelia, Spigelia
Marylandica.
Bellshape, campanulata, campaniformis. Monopetalous,
regular, in form of a bell. Atropa lethalis, Pneumonanthe
vulgaris, Vitis-Ideea punctifolia, Campanula urticifolia.
Globular, globosa, glohidosa. Andromeda polifolia.
Eggshape, ovata. Arbutus, Eremocallis glomerata,
Menziesia polifolia.
Pitchershape, urceolata. Vaccinium montanum.
Clubshaped, clavijormis, clavata. Erica pinea, E. cerinthoides.
Funnelshape, infundihuliformis. Neriura Oleander, Nicotiana
Tabacum.