BORAGE FAMILY 201 



17. ONOSMODIUM Michx. False Gromwell. l. O. occidentale. 



18. ANCHUSA L. Alkanbt. l. A. officinalis. 



19. SYMPHYTUM (Tour.) L. CoMrREY. l. S. officinale. 



Family 114. VERBENACEAE. Vervain Family. 



Corolla-limb 5-lobed; nutlets 4; flowers in terminal spikes. 1. Verbena. 



Corolla 4-lobed: nutlets 2; flowers in short dense axillary spikes. 2. Fhtla. 



1. VERBENA (Tourn.) L. Vervain, Verbena. 



Anthers not appendaged; flowers in elongate spikes, less than 8 mm. long. 



Leave.s not piunatifld, sometime.s merely lobed at the base in the first species; plant 

 tall, erect, strict. 

 Bracts shorter than the calyx, or barely equalling it. 



Spike peduncled; coroUa-Umb 3-6 mm. broad; pubescence sparse, coarse. 



1. V. hastata. 

 Spike sessile; corolla-Umb 8-9 mm. broad; pubescence dense, soft. 



2. V. stricta. 

 Bractson6-thirdlongerthanthecalyx;pubescence dense, soft. 3. V. MacDougalii. 



Leaves more or less pinuatifld, at least incised; bracts much longer than the calyx. 



Spike dense; nutlets muriculate on the commissural faces. 4. V. bracteosa. 



Spike lax: nutlets nearly smooth on the conmiissural faces. 5. V. remota. 

 Anthers of the longer stamens appendaged by a gland on the connective; corolla 8 mm. 



long or more. 

 Calyx-lobes subulate or lance-subulate. 



LeavestwiceS-partedintoUnear-oblongorlanceolatedivisions. 6. V. ciliaia. 



Leaves once 3-parted, with toothed or sflghtly lobed divisions. 7. V. Gooddingii. 

 Caljrx-lobes setaceous. 



Bracts narrowly lanceolate, shorter than the calyx; leaf-segments oblaiiCeolate. 



8. V. ambrosifolia. 



Bractssetaceous, longer than the calyx; leaf-segments linear. 9. V. bipinnatifida. 



2. PHYLA Lour. 



Leaves from linear-oblanceolate to cuneate, 2-8-toothed above; peduncles slightly if any 



exceeding the leaves. I. P. cuneifolia. 



Leaves lanceolate, oblong, or oval, sharply serrate; peduncles much exceeding the leaves. 



2. P. lanceolata. 



Family 115. LAMIACEAE. Mint Family. 



Ovary of 4 tmited nutlets; style not basal; nutlets laterally attached. 

 Corolla strongly bilateral, the upper Up very small, the lower large. 



Flowers in small congested cymes, axillary to small bracts, and forming a raceme- 

 like panicle; calyx-lobes shorter than the tube; leaves toothed. 



1. Teuchium. 

 Flowers solitary in the axils of bracts similar to the leaves ; calyic-lobes longer 

 than the tube; leaves laciniate. 2. Mblosmon. 



Corolla almost regularly 5-lobed, but lobes declined; stamens long-exserted and 

 coiled. 3. Trichos'Tema. 



Ovary of 4 distinct or nearly distinct nutlets ; styles basal; nutlets basally attached. 

 Corolla bilabiate. 



Calyx 2-lipped ; both lips entire ; stamens 4. 



Calyx not inflated, the upper Up with a crest on the upper side. 



4. Scutellaria. 

 Calyx inflated, without a crest. 5. Salazaria 



Calyx either 2-Upped and at least one of the Ups toothed, or regularly 4-5-toothed. 

 Stamens included in the coroUa-tube. 6. Marrubium. 



Stamens exserted from the tube. 

 Upper Up of the coroUa concave. 

 Anther-bearing stamens 4. 



Upper stamens longer than the lower. 

 Calyx 5-toothed. 



AntBer-sacs parallel or nearly so; stamens divergent. 



7. Agastache. 

 Anther-sacs divaricate; anther approximate in pairs. 



Flowers in terminal spikes; floral leaves reduced; plant 



erect. 8. Nepeta. 



Flowers in axiUary verticUs; floral leaves Uke the rest; 

 plant spreading. 9. Glecoma. 



Calyx distinctly 2-Upped. 10. Moldavica. 



Upper stamens shorter than the lower. 



Calyx distinctly 2-Upped, closed in fruit. II. Prunella. 

 Calyx 5-toothed, not 2-lipped, open in fruit. 



Calyx membranous, inflated in fruit, faintly nerved. 



12. Dracocephalum. 

 Calyx not membranous, not inflated in fruit, strongly 5-10- 

 nerved. 



Anther-sacs not transversely 2-valved. 

 Nutlets 3-sided, truncate above. 



