Vol. III.] 



MINT FAMILY. 



95 



3. Lamium maculatum L. Spotted Dead Nettle. Variegated Dead Nettle. 



(Fig. 31 13.) 



Lamium maculalum L. Sp. PI. Ed. 2, Sog. 

 1760- 



Perennial, somewhat pubescent; stems 

 mostl}' slender, commonly branched, de- 

 cumbent or ascending, S'-i>^° long. 

 Leaves crenatc or incised-crenate, all 

 peliolcd, usually longitudinally blotched 

 along the midrib, broadly ovate or trian- 

 gular-ovate, acute or obtuse, truncate or 

 cordate at the base, i'-2' long, or some of 

 the lower ones much smaller and nearly 

 orbicular; clusters few- flowered, mainly 

 axillary; caly.x-teeth lanceolate-subulate, 

 as long as or longer than the tube, spread- 

 ing; corolla io"-i2" long, purple-red, its 

 tube short, contracted near the base, with 

 a transverse ring of hairs within, the lat- 

 eral lobes of its lower lip very small. 



Alon^ roadsides, escaped from gardens. 

 Maine to Virginia. Native of Europe and 

 Asia. May-Oct. 



4. Lamium album L. White Dead Nettle. (Fig. 3114.) 



Lamium album L- Sp. PI. 579. 1753. 



Perennial, pubescent; stems decumbent 

 or ascending, rather stout, simple or 

 branched, i°-i^° long. Leaves ovate, 

 crenate, dentate or incised, all petioled, 

 acute or acuminate at the apex, cordate or 

 truncate at the base, i'~2>' long, or the 

 lower shorter and obtuse; clusters mostly 

 axillary; calyx-teeth very slender, subu- 

 late, spreading, usually longer than the 

 tube; corolla white, about 1' long, its tube 

 short, stout, contracted near the base, with 

 an oblique ring of hairs within, the lateral 

 lobes of its lower lip each with a slender 

 tooth. 



In waste places, Ontario to Virginia. Also 

 in ballast about the northern seaports. Natu- 

 ralized or adventi ve from Europe. Old names. 

 White Archangel, Day-, Blind-, Dumb-, or 

 Bee-nettle, Snake-flower, Suck-bottle. April- 

 Oct. 



19. BALLOTA L. Sp. PL 582. 1753. 



Perennial pubescent or tomentose herbs, some species shrubby, with dentate or crenate 

 leaves, and small bracted flowers in axillary clusters. Calyx tubular-fuunelform, lo-nerved, 

 5-10-toothed, the teeth dilated at the base, or sometimes connate into a spreading limb. 

 Corolla-tube about as long as the calyx, provided with a ring of hairs within, the limb 

 strongly 2-lipped; upper lip erect, concave, eniarginate, lower lip spreading, 3-lobcd, the 

 middle lobe eniarginate or obcordate. Stamens 4, didynamous, ascending under the upper lip 

 of the corolla, the anterior pair the longer; anther-sacs divergent at maturity. Ovary deeply 

 4-lobed; style 2-cle(t at the summit. Nutlets ovoid, smooth. [The Greek name.] 



About 30 species, natives of the Old World, most numerous in the Mediterranean region. 



