DIV. n 



AXGIOSPERMAE 



695 



hairs. Flowers solitary in the axils 

 of the leaves, or forming apparent 

 whorls. The small inflorescences 

 are dichasia or double cincinni, 

 and are often united in larger 

 spike- or capitulum-like inflores- 

 cences. Flower zygomorphic (Fig. 

 751). Calyx gamosepalous, with 

 five teeth ; corolla two-lipped, the 

 upper lip consisting of two, the 

 lower of three petals ; stamens in 

 two pairs, two long and two short, 

 rarely only two (Salvia, Ros- 

 marinus). ThS ovary (Fig. 751) 

 corresponds to that of the Bora- 

 ginaceae ; it has a ring-shaped 

 nectary at the base. 



The Labiatae include a considerable 

 proportion of our commonest native 

 spring and summer flowers ; Lamium, 

 Galeopsis (Fig. 752), and Stachys have 

 the upper lip helmet-shaped, Ajuga has 

 it very short, while in Teucriwn the 



FIG. 752. Galeopsis ocliroleuca. a, Flower ; b, the 

 same with calyx removed ; c, corolla cut open. 

 showing stamens and style ; d, cnlyx and 

 gynaeceum ; e, fruit. (a, b, nat. size ; c, d, 

 e x 2.) 



FIG. 753. Lavandula vera (i nat. size). 

 OFFICIAL. 



