Botany by Robert Bentley

Author:Robert Bentley
Language: eng
Format: epub, pdf
Published: 1875-03-25T05:00:00+00:00

Fig. 83.—Salyer-8haped corolla. Fig. 84.—Flower of a Heath c, calyx; t, I, IJrceolate corolla. Fig. 85.—^Labiate corolla of the Dead-nettle. Fig, 86.—Personate corolla of the Toadflax, spurred at the base.

JB. Irregular Monopetalous Corollas. —The principal are the labiate, personate, and liguHate,

1. LaMate.-^HMs is a kind of corolla in which the limb is divided into two portions, called lips, which are placed posteriorly and anteriorly, the former overhanging the latter, and each portion so arranged as not to close the throat or orifice of the tube (fig. 85). When the npper lip is much arched, this form of labiate corolla is termed ringent or gaping. 2, jP^sonate or Masked, —^This ia essentially a labiate

corolla, but distiiigciished by its Iav«r lip fonmog a projeetioD, called Uts palate, t^puIlst the upper lip, so as to olora the thn>at (fig. 86).

8. LigulateaiStrap'iha^d. —^If what vonld be otherwise a tabular corolla is split open on one side, so as to become fiattened above like a strap (fig. 87). it is called ligviaU or »tTap-»haped,

Fig.vr. Fig.es. Fig.Bt.

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