330 LABIATE. [Lamium. 



Waste places England, Scotland, not indigenous ; fl. June-Sept. — Very closely 

 allied to L. al'bum, but the calyx and corolla are different ; flowers fewer, 

 rarely white; leaves more wrinkled, and almost always with a median 

 white stripe, and corolla-throat suddenly dilated. — Distrib. Europe, N. 

 Africa, N. and "W. Asia. 



Section 3. Galeob'dolon, Huds. (gen.). Perennial. Corolla-tube 

 curved, ascending, with a ring of hairs inside, constricted below the ring ; 

 upper lip stipitate. Anthers glabrous. Nutlets without scales. 



5. Ij. Galeob'dolon, Crantz ; leaves petioled ovate acuminate doubly- 

 crenate or -serrate, calyx-teeth shorter than the oblique tube, corolla yellow, 

 ring of hairs oblique. Galeob'dolon luteum, Huds. Yellow Archangel. 



Hedges and copses, from Cumberland southd., local ; E. Ireland, local ; fl. 

 May-June. — Hispid or subglabrous, hairs often reflexed. Bootstock short, 

 stoloniferous. Stems 6-18 in., flowering erect ; barren, elongate, prostrate. 

 Leaves 1-2 in., petioles variable. Whorls remote, 6-10-fld. ; upper bracts 

 sometimes lanceolate. Calyx-teeth mucronate. Corolla f-1 in., tube short, 

 gibbous at the base below ; lips long, lower spotted red-brown. — Distrib. 

 Europe, W. Siberia. 



15. BALliO'TA, L. Black Horehound. 



Perennial, hairy or woolly herbs or undershrubs. Whorls axillary, 

 dense-fld. ; bracts subulate ; flowers small, proterandrous. Calyx tubular 

 or funnel-shaped, 10-nerved ; teeth 5-10, dilated at the base or connate 

 into a spreading limb. Corolla-tube with a ring of hairs inside ; upper 

 lip erect, concave ; lower as long, 3-lobed, spreading. Stamens 4, as- 

 cending under the upper lip ; anthers conniving in pairs, cells at 

 length diverging. Style-lobes subulate. Nutlets obtuse. — Distrib. 

 Europe, N. and S. Africa, temp. Asia ; species 25. — Etym. The Greek 

 name. 



B. ni'gra, L. ; ereet, hairy, calyx-teeth exceeding the corolla-tube. 



Hedgebanks, &c, from the Forth and Clyde southd. ; rare and seldom indige- 

 nous in Scotland and Ireland ; Channel Islands ; fl. July-Aug. — Dull green, 

 hoary or woolly, foetid. Rootstock stout, short. Stem 2-3 ft., stout, erect, 

 much branched, hairs usually reflexed. Leaves 1-2 in., petioled, ovate- or 

 orbicular-cordate, crenate or almost lobnlate. Whorls many ; cymes 

 peduncled, 3-6-fld. ; bracts leaf-like, bracteolee small ; flowers sessile. 

 Calyx % in., slightly enlarged in fruit; tube cylindric, strongly ribbed ; limb 

 short, expanded ; teeth 5, very variable, nerved, spinescent. Corolla |-| in., 

 pale red-purple ; upper lip hairy outside and in ; mid-lobe of lower ob- 

 cordate. Nutlets obtusely 3-gonous, brown, smooth, shining. — Distrib. 

 Europe, N. Africa, "W. Asia ; iutrod. in N. America. 



B. ni'yra proper (B. rudera'lis, Sw.) ; calyx-teeth ovate-lanceolate, tips 

 ascending. Northumbd., Oxford, Hereford.— Var. B. al'ba, L. (B.foj'tida, 

 Lamk.); stouter, calyx-teeth deltoid, tips spinous spreading or reflexed. 



