376 LAMIACEAE. 



parted ovary, 2-lobed at the summit. Fruit of 4, 1-seeded nutlets. Seed 

 erect (transverse in Scutellaria); endosperm scanty, or none; embryo 

 mostly straight; radicle short, inferior. About 160 genera and 3,200 

 species, of wide distribution. 



Ovary of 4 united carpels, 4-lobed ; style not basal. 1. Melosmon. 



Ovary of 4 distinct or nearly distinct carpels ; style basal. 



Calyx witb a crest on the upper side. 2. Scutellaria. 



Calys without a crest. 



Corolla distinctly 2-lipped, the lips different, the upper one 

 concave. 

 Anther-bearing stamens 4. 



Calyx-lobes 5. 3. Leonurus. 



Calyx-lobes 8-10. 4. Leonotia. 



Anther-bearing stamens 2. 5. Salvia. 



Corolla nearly regular, or if 2-lipped, the upper lip not con- 

 cave. 

 Filaments converging under the upper lip of the corolla. 6. Micromeria. 

 Lower pair of filaments appressed to the lower lip of the 

 corolla. 

 Lobes of the calyx nearly equal. 7. Byptis. 



Upper lobe of the calyx broad, decurrent. 8. Ocimum. 



1. MELOSMON Eaf . PL Tell. 3 : 85. 1837. 



Herbs with incised or pinnatifid leaves, the white or blue pedieelled 

 flowers solitary in the axils of leaf -like bracts. Calyx with a short, 10-ribbed 

 tube and 5 long nearly equal lobes. Corolla irregular, the upper lip small, 

 the lower lip 3-lobed, its middle lobe much longer than the lateral ones. 

 Stamens 4, esserted. Ovary 4-lobed, of 4 partly united carpels; style not 

 basal. Nutlets laterally attached, roughened or smooth. [Greek, of uncertain 

 application.] A few species, natives of temperate and tropical America. 

 Type species: Melosmon hicolor Eaf. 



1. Melosmon cubense (Jacq.) Small, M. SE. TJ. S. 1019, 1337. 1903. 



Teucrium cubense Jacq. Entrni. 25. 1760. 



Annual (?); sparingly pubescent or glabrate; stems often branched near 

 the base, slender, 2-5 dm. high, the branches ascending. Leaves ovate to 

 spatulate in outline, 1-3 cm. long, incised, the lobes mostly entire; bracts simi- 

 lar to the leaves; pedicels '2-5 mm. long; calyx 4-5.5 mm. long, its linear- 

 lanceolate pubescent acuminate lobes several times longer than the tube; 

 corolla bluish-white, 11-14 mm. long; nutlets about 2 mm. long, irregularly 

 roughened. 



Waste places and cultivated soils, Great Bahama, New Providence. Bleuthera to 

 Long Island, Inagua : — Alabama, Texas and Mexico ; Cuba. West I^"DIA^' Geemande'K. 



2. SCUTELLABIA I,. Sp. PI. 598. 1753. 



Bitter herbs, some species shrubby. Flowers blue to violet, in bracted, 

 mostly seeund, spike-like racemes, or solitary or 2-3 together in the axils. 

 Calyx campanulate, gibbous, 2-lipped, the lips entire, the upper one with a 

 crest or protuberance upon its back and often deciduous. in fruit. Corolla 

 recurved-asoending, dilated above into the throat, glabrous within, the Umb 

 2-lipped; upper lip arched, entire or emarginate; lower lip spreading or de- 

 flexed, its lateral lobes small and somewhat connected with the upper, its 

 middle lobe broad. Stamens 4, didynamous, all anther-bearing, ascending 

 under the upper lip, the upper pair somewhat the shorter, their anthers 2- 



