class xiv. xliii 



TA.GZ. 



LiaiODSTDROX.— EHpals 3, caducous. Petals 6, in 2 rows, forming a ball-shape I 



corolla. Carpels imbricated in a coac. — Large tr ess, vjith showy jhwors. 1 1 



Bsassmia.— Calyx of 3 or 4 sepals. Petals 3 or 4. Carpel* oblong, acuminate 

 1 to 2-seeded. — Aquatic herb*, with flatting centrally peltate leaves, and 

 solitary axillary Jiowzrs. IT' 



Nzltjmbium. — Calyx petaloid, of 4 to B sepals. Petals nu nitrous. Carpels nu- 

 merous. Seels large, round. — A/uxtic herb-, wilhpeltat-: Jl-.shy radical 

 leaves, and very large yellowish-white Jlowers. 13 



CLASS XIV:. DIDYNAMIA.-4 Stamens, 2 longer ihan< 



the other 2. 



O'RDER I. Gymnospermta. — Seeds apparently naked. 



f LABIATJE.— Herbs, with square stems, opposite aromatic or strong-scented 



leaves, aud a more or le<s 2-lipped corolla. 243 - 



* Corolla with the border nearly equally -i or b-chft. 



1. Lsaxtiios. — Stamins 4, nearly equal. Corolla 5-lobcd.— A clammy herb, 



with pale blue Jlowers. 243 



2. Msjcma.— Stamens 4, distant. Corolla 4 lobed; lobes spreading.— Aromatic 



herbs, and small pale-purplish flowers in close axillary whorls. 250 



3." Ltcopus.— Stamens 2. Corolla 4-Iobed : lobes spreading.— Leaves tharply 



toothed or pinnxijld. F lowers white, whirled. 251- 



4. Origanum. — Stamens 4, Corolla 4-lobed, the uppsr lobe or lip erect.— 



Flower's purplish, crowded in cylindrical or oblong spikes. 251 



** Corolla evidently 2-lipped. 



5. Colunsoxia.— Calyx 2 lipped. Corolla elongated, the pendent middle lobo 



of the lower lip much longer than the others, lacerat .-fringed. Stamens 



2, much exserted. — Flowers yellowish. 252 



5. H^dsomv.— Calyx 2 lipped; tbo lower lip 2 cleft: Upppr lip of the corolla 

 flat, the lower equally 3-lobed. Stamens 2, erect, exserted. — Leaves 

 small. F low srs pale blue. 252- 



T. Cuxila.— Calyx .equally 5-toothed. Upper corolla lip nattisb, the lower 

 somewhat unequally 3-lobed. Stamens erect, exserted.— Flowers small 

 white or purplish, in corymbed clusters. 252- 



S. Blephilia.— Calyx short 2-lipped, the 3 teeth of the upper lip awncd. Cor- 

 olla dilat-d at the throat, the lips oblong. Stamens 2.— Flowers pale 

 bluish-purple, crowded in axillary and termin d globose whorls. 253 



9. Moxarpa.— Calyx tubular, 5-toothed. Corolla-lips linear, the upper invol- 



ving the filaments. Stamens 2.— Flowers large, showy, in a few capitate 

 whorls. 253 : 



10. Salvia.— Calyx and corolla strongly 2-lipped. Stamens 2.— Flowers usually 



Urge and showy. 254 



* * * Stamens 4, the upper pair longer. 



11. Cetidroxella. — Stam?ns all ascending. Upper lip of tho corolla flattish , 



the threat much enlarged. — Sweet-scented herbs, with pale purplish Jlowers. 255 



If. Nepeta. — Stamens all ascending. Upper corolla-lip more or less concave 



or vaulted. Anthers mostly approximate. 255 > 



13. Dr.ACOCEPHAi.CM. — Stamens all ascending under the upper lip. Upper calyx- 



tooth largest, ovate. Bracts awn-toothed. 256 • 



14. Lophanthus.— Stamens diverging, exserted, tho upper pair curved down- 



ward, tho lower ascending. — Flowers small, crowded in terminal spikes. 256 



'* • * Stamens 4, the lower pair longer, 



