396 SUMMER FLOWERS. 



royal. — Wet ditches, and marshy places. Fl. August, Sep- 

 tember. 



(223) Origanum. Marjoram. 



O. vulgare : stems erect, 1-2 feet high, hairy ; leaves 

 stalked, ovate or ovate-lanceolate, slightly toothed ; flowers 

 purplish, rarely white, in globular compact heads, forming a 

 terminal trichotomous panicle. — Edges of woods, and hilly 

 pastures, especially in limestone districts. Fl. July, August. 



(224) Thymus. Thyme. 



T. Serpyllujn : stems procumbent, slender, much branched, 

 perennial, scarcely woody at the base, forming low dense tufts, 

 almost covered with the purple flowers; leaves very small, 

 ovate or oblong, fringed at the base, the floral leaves similar 

 but smaller ; flowers in short, terminal, loose, leafy spikes. — 

 Dry hilly pastures. Fl. July, August. 



(225) Marrubium. Horehound. 



M. vulgare : stem 1^ foot high, with spreading branches, 

 thickly covered with white cottony wool ; leaves stalked, or- 

 bicular, soft, much wrinkled ; flowers in dense whorls or clus- 

 ters in the axils of the upper leaves, small, dirty white. — 

 Roadsides and waste places. Fl. July. 



(226) Galeopsis. Hemp-nettle. 

 * Calyx-teeth not longer than the tube. 

 G. Ladanum : annual ; stems 6-8 inches high, with spread- 

 ing, almost decumbent branches, covered with short soft down, 

 not swollen under the nodes ; leaves narrow-ovate or lanceolate. 



