INTRODUCTION - TO BOTANY. 
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mopetalous corolla, are gamosepalous, and of course per- 
sistent. It is very rare that a calyx which is not gamo- 
sepalous is persistent. 
2. Regularity. 
Regular, Calyx regularis. When all its parts as taken 
from the centre of the flower are perfectly alike. Cucubalus, 
Adonis, Androsaemum, Tormentilla. 
Irregular, irregularis. When the several parts are not 
all alike. Salvia, Delphinium, Tropaeolum. 
3. Form. 
Tubular, Calyx tubulatus. In form of a tube. 
Pipelike, tubulosus . The tube very long, and narrow at 
top. Primula, Stramonium, Nepeta longiflora, Silene, 
Dianthus. 
Conical, conicus. In form of a cone. Stachys coccinea, 
and many labiatae. 
Topshape, pearshape, turbinqtus. Conical, but slightly 
contracted towards the orifice. Spiraea trifoliata. 
Swollen, injlatus. Membranous and dilated like a blad- 
der. Rhinanthus glaber, Cucubalus inflatus, Anthyllis 
leguminosa. 
Pitchershape, urceolatus , ventricosus. Swollen in the 
middle, contracted towards the top, the limb spread out. 
Hyoscyamus niger, Rosa. 
Cupsliape, cupular is. Very short and quite open. Citrus 
Medica, Verbena glomerata. 
Cylindrical, cylindricus. Forming a pipe which is nearly 
equal throughout its whole length. Dianthus. 
Clubshape, claviformis, clavatus. Tubular, long, and 
swollen at top. Silene latifolia. 
Bellshape, campanulatus. Hollow, and becoming more 
and more open from its bottom to the top. Statice pul- 
chella, Melittis grandiflora, Cucubalus bacciferus. 
Compressed, compressus. Large, and flat as if squeezed 
sideways. Rhinanthus glaber, Pedicularia palustris 
Prismatic, prismaticus. Having longitudinal angles and 
flat surfaces. Stramonium fcetidum, Pulmonaria officinalis. 
Angular, angulosus. Having longitudinal angles. Pe- 
dicularia sylvatica, Silene latifolia. 
Ribbed, costatus . With raised ribs. Pedicularia pa- 
lustris, Thymus campestris, Lychnis segetum, Silene co- 
nica, S. nutans, S. quinquevulnera. 
