XXIV SYNOPSIS OF GENERA. 



Trollius. Cal. 0. Pet. 5— 15, deciduous. Nect. flattened. Follicles 

 numerous. Ranunculacecc, p. 9. 



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

 their claws. Seeck numerous, naked. Hanuncnlacew, 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. Labiata, p. 211. 



Glechoma. Anth. converging cross-wise in pairs. Upper lip cloven. 

 Labiata, p. 211. 



Mentha. Filam. spreading widely, straight. Corolla nearly "equal. 

 Labiata, p. 212. 



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

 lobes. Labiata, p. 210. 



Ajuga. Upper lip minute, abrupt, notched. Labiata, 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. Labiata, p. 216. 



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

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



Galeobdolon. Lower lip in 3 acute, undivided segments. Labiata, 

 p. 216. 



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

 outwards at each side. Labiata, p. 215. 



Nepeta. Lower Up numerously notched; throat bordered and reflexed at 

 each side. Labiata, p. 217- 



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

 Labiata, p. 214. 



Marrubium. Cal. with 10 furrows. Upper Up of the cor. straight, 

 linear, cloven. Labiata, p. 214. 



* * Calyx 2 -lipped. 



Scutellaria. Cal. when in fruit closed by a dorsal lid. Labiata, 

 p. 218. 



Thymus. Cal. closed with dense converging hairs. Labiata, p. 218. 



Clinopodtum. Cal. many-ribbed. Involucrum of numerous taper 

 leaves under the flowers. Labiata, p. 220. 



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

 1 to each flower, collected into a spurious catkin. Labiate, p. 220. 



Prunella. Filaments forked, 1 of the points bearing the anther. La- 

 biata, p. 219. 



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

 * Caiyx 4-cteJi. 



Lathr^a, Caps, of 1 cell. A gland undei the germen. Orobanchea 

 p 207. 



