XXIV SYNOPSIS OF GENERA. 



TROLLIUS. Cal. 0. Pet. 5 15, deciduous. Nect. flattened. Follicles 

 numerous. Hanunculacece, p. 9. 



RANUNCULUS. Cal. of 5 leaves. Fet. 5, or more, with nectaries in 

 their claws. Seeds numerous, naked. Ranunculacece, p. 6. 



Class XIV. DIDYNAMIA. Stamens 4, 2 outermost longest. 



Order I. GYMNOSPERMIA. Seeds naked, 4 at most. 



* Calyx in 5 segments, nearly regular. 



LEONURUS. Anth. incumbent, besprinkled : with hard granulations. 

 Upper lip of the corolla shaggy. Labiate, p. 211. 



GLECHOMA. Anth. converging cross-wise in pairs. Upper lip cloven, 

 Labiate, p. 211. 



MENTHA. Filam. spreading widely, straight. Corolla nearly equal. 

 Labiate, p. 212. 



TEUCRIUM. Upper lip of the corolla in 2 very deep, remote, lateral 

 lobes. Labiate, p. 210. 



AJUGA. Upper lip minute, abrupt, notched. Labiate, p. 210. 



BETONICA. Upper lip nearly flat, ascending; tube cylindrical, incurved 

 Stam. not longer than the throat. Labiata, p. 215. 



LAMIUM. Corolla toothed at each side of the throat. Labiate, p. 216. 



GALEOPSIS. Lower lip of the corolla with a pair of hollow prominences 

 at the base in front. Labiate, p. 217. 



GALEOBDOLON. Lower lip in 3 acute, undivided segments. Labiat<* 

 p. 216. 



STACHYS. Lower lip with reflexed lateral lobes. Stam. finally spreading 

 outwards at each side. Labiate, p. 215. 



NEPETA. Lower lip numerously notched ; throat bordered and reflexed a 

 each side. Labiate, p. 217- 



BALLOTA. Cal. with 10 furrows. Upper lip of the cor. vaulted, shaggy 

 Labiate, p. 214. 



MARRUBIUM. Cal. with 10 furrows. Upper lip of the cor. straight 

 linear, cloven. Labiate, p. 214. 



* * Calyx 2-lipped. 



SCUTELLARIA. Cal. when in fruit closed by a dorsal lid. Labiate 

 p. 218. 



THYMUS. Cal. closed with dense converging hairs. Labiate, p. 218. 



CLINOPODIUM. Cal. many-ribbed. Involucrum of numerous tape 

 leaves under the flowers. Labiate, p. 220. 



ORIGANUM. Cal. without ribs. Jnvol. of numerous, dilated, flat leaves 

 1 to each Jlower, collected into a spurious catkin. Labiata, p. 220. 



PRUNELLA. Filaments forked, I of the points bearing the anther. La 

 biate, p. 219. 



Order II. ANGIOSPERMIA. Seeds in a capsule, generally numerous. 

 * Calyx 4-cieJt. 



LATHRJEA. Caps, of 1 cell, A gland under the germen. Orobanchea 

 p 207. 



