844 



LABIATE. LXXXVII. BALLOTA. 



255. Molucella microphylla, Delile, fragm. fl. arab. petr. 10. f. 

 2. Stems woody at the base. Branches divaricate or procum- 

 bent. Corollas smaller than in B. rugbsa. 



Rock Stinking Horehound. Shrub procumbent. 



11 B. RUSSELLIA'NA (Benth. lab. p. 597.) stems scarcely pu- 

 bescent ; leaves ovate, obtuse, quite entire, wrinkled, green 

 above, and white beneath ; whorls few-flowered ; limb of calyx 

 short, spreading a little, with 6-10 acute or shortly mucronate 

 teeth. Tj . ? F. Native of Syria, Near Aleppo, Russell. Allied 

 to B. sax&lilis, but the leaves are all quite entire, and the 

 branches less hairy. Leaves hardly half an inch long, cordate 

 at the base, pubescent above. 



Russell's Stinking Horehound. Shrub. 



12 B. HISPA'NICUM (Benth. lab. p. 597.) hairy ; leaves ovate- 

 cordate : upper ones usually acute, or all are obtuse, rarely 

 rounded, hairy on both surfaces, green or canescent beneath ; 

 limb of calyx short, spreading a little, with 10 setaceously mu- 

 cronate teeth. If.. ? H. Native of Spain, Sicily, and South of 

 Italy. Marrubium Hispanicum, Lin. spec. 816. Marrubium 

 rupestre, Biv. manip. 2. t. 1. Marrubium scrophulariaefolium, 

 Lag. Pseudodictamnus acutus, Mcench, meth. p. 399. Mar- 

 rubium saxatile, Rafn. Bocc. mus. 2. p. 167. t. 122. Barrel, 

 icon. t. 797. Herm. par. t. 201. Leaves usually 2 inches long, 

 exactly cordate, crenated. Whorls 20-50-flowered, dense. Brae- 

 teas and calyxes very hairy. Corollas like those of B. acetabu- 

 losa. 



Spanish Stinking Horehound. Fl. July, Aug. Clt. 1714. 

 PI. 2 feet. 



SECT. II. BALLOTA (see genus for derivation.) Benth. lab. p. 

 597. Bracteas linear-subulate, soft. Limb of calyx 5-toothed. 



13 B. NIGRA (Lin. spec. 814.) hairy or glabrous; leaves 

 ovate, truncate at the base, green on both surfaces, more or less 

 hairy ; limb of calyx erectish : teeth dilated at the base and 

 subulately mucronate at the apex. If. . H. Native throughout 

 the whole of Europe, in waste places, in hedges, and by way- 

 sides ; also of Tauria and Caucasus ; plentiful in Britain. Rchb. 

 icon. bot. eur. 8. p. 30. t. 1773. Smith, engl. bot. t. 46. B. 

 alba, Lin. spec. 814. B. foe'tida, Lam. fl. fr. 2. p. 281. Rchb. 

 icon. bot. eur. 8. p. 30. t. 775. B. vulgaris, Link. B. borealis, 

 Schweigg. Rchb. icon. bot. eur. 8. p. 30. t. 776. B. ruderalis, 

 Spreng. fl. hal. p. 101. B. sepium, Paulet, in Pers. ench. 2. p. 

 125. B. rubra, Schrad. Marrubium nlgrum, Ger. emac. 701. 

 f. 1. Crantz, stirp. austr. p. 272. Marrubiastrum, Riv. mon. 

 irr. t. 65. Sabb. hort. rom. 3. t. 35. Blackw. 136 Mor. 

 hist. 3. p. 377. sect. 11. t. 9. f. 14. Stems, leaves, and calyxes 

 green, sometimes nearly glabrous, but usually pubescent, rarely 

 hairy. Whorls many-flowered, rather loose, the lower cymes on 

 short peduncles. Limb of calyx very variable in form. In the 

 species the stems are brown, and corollas purple ; but in that 

 variety called B. alba the whole plant is pale green, and the 

 corollas white. The plant is recommended in hysterical cases. 

 In Gotland it is an universal remedy in disorders incident to 

 cattle. 



Black or Common Stinking Horehound. Fl. July, Sept. Bri- 

 tain. PI. 2 to 3 feet. 



14 B. URTiOiEFOLiA (Ostm. ex Rchb. icon. bot. eur. 8. p. 30. 

 t. 774.) slender ; leaves ovate, sharply and deeply serrated ; 

 teeth of calyx erect, linear-setaceous, equalling the tube. T4-. 

 H. Native of Bohemia and Saxony, in waste places and on 

 walls. Plant slender, green, less pubescent than B. nlgra. 

 Leaves exactly of Urtica urens, the first ones cordate, ex Rchb. 

 fl. germ. exc. p. 325. Perhaps only a variety of B. nigra. 



Nettle-leaved Stinking Horehound. PI. 3 to 4 feet. 



SECT. III. ACANTHOPRA V SIUM (from cocavflof, acanthos, a spine ; 



and irpaoiov, prasion, one of the Greek names of Horehound ; 

 so called in allusion to the subulate spine-formed bracteas.) 

 Benth. lab. p. 598. Bracteas subulate, stiff, spine-formed. 

 Limb of calyx 5-10-toothed. 



15 B. PE'RSICA (Benth. lab. p. 598.) leaves cuneiform, toothed ; 

 bracteas spine-formed ; limb of calyx membranous, dilated, 

 shortly 5-10-toothed. fj . G. Native of Persia. Molucella 

 Persica, Burm. fl. ind. p. 128. t. 38. f. 2. Branches simple, 

 glabrous, whitish, with a single spine at each joint. Serratures 

 of leaves spiny. Calyx regular, 5 cleft; segments obovate, sca- 

 rious, with 3 mucrones. Corolla flattish, glabrous. 



Persian Stinking Horehound. Shrub. 



16 B. LIMBA'TA (Benth. lab. p. 743.) canescent ; leaves oblong, 

 quite entire, cuneated at the base ; bracteas spine-formed ; limb 

 of calyx unequally and mernbranaceously dilated, somewhat 5- 

 toothed. f; . G. Native of the North East of India, on the 

 mountains, in gravelly places near Pindaden Khan. Shrub much 

 branched, younger branches villous. Leaves 5 to 1 inch long. 

 Whorls distant, 6-flowered. Calyx very villous ; limb with 5 

 angles, and as many teeth between the angles. 



Limbate-ca\yx.ed Stinking Horehound. Shrub 2 feet. 



17 B. SPINOSA (Link, handb. p. 475.) leaves ovate, quite en- 

 tire or deeply toothed, green on both surfaces ; whorls few-flow- 

 ered ; bracteas spine-formed, straight ; calyxes hairy : limb 

 erectish, with 5-10 teeth, which are dilated at the base, subulate, 

 and subspinose ; galea of corolla very hairy. I? . F. Native 

 of Piedmont and Provence. Molucella frutescens, Lin. spec. p. 

 821. Beringeria frutescens, Rchb. fl. germ. exc. p. 325. Shrub 

 branched ; branches villous. Leaves scarcely an inch long. 

 Whorls about 6-flowered, distant. 



Spinose Stinking Horehound. Shrub 1 foot. 



18 B. INTEGRIFOLIA (Benth. lab. p. 599.) shrubby, pubes- 

 cent ; leaves ovate, quite entire, rarely with a few crenatures, 

 green on both surfaces ; bracteas spine-formed, spreadingly re- 

 flexed ; limb of calyx dilated, spreading a little, 5-toothed ; 

 galea of corolla nearly glabrous. Jj . F. Native of the island 

 of Cyprus. Molucella frutescens, Sibth. et Smith, fl. graec. 6. 

 p. 568. Habit of B. spinbsa, but the branches are longer, and 

 the leaves usually entire, the spines stronger and usually re- 

 curved. Corolla white, lined with purple. 



Entire-leaved Stinking Horehound. Shrub 1 to 2 feet. 



19 B. FORSKA V HLEI (Benth. lab. p. 599.) leaves ovate, ser- 

 rated ; calyx campanulate, pubescent, with 5 subulate unequal 

 unarmed teeth ; whorls remote, 10-12-flowered, involucra qua- 

 drifid, with setaceous segments. I? . F. Native of Arabia 

 Felix. Phlomis alba, Forsk. fl. aegypt. p. 107. Corolla white; 

 upper lip hairy. Habit of B. spindsa. 



ForskahPs Stinking Horehound. Shrub. 



f Doubtful species. 



20 B. ORIENTALS (Presl. del. prag. p. 80.) stem branched ; 

 villous ; leaves cordate-roundish, toothed, wrinkled, clothed with 

 hoary tomentum beneath ; bracteas linear ; calyx stiff, with 10 

 spinose teeth ; galea of corolla arched, crenulated. If. . H. Na- 

 tive of Asia Minor. Marrubium orientate, Spreng. syst. 



Eastern Stinking Horehound. PI. 



21 B. PILOSA (Lour. coch. p. 364.) leaves ovate, crenated, to- 

 mentose ; whorls pilose ; calyx 10- toothed. Tf. . H. Native of 

 Cochinchina. Stem pilose, branched. Corolla white. Teeth of 

 calyx reflexed. Upper lip of corolla entire, arched. Perhaps 

 a species of Leucas. 



Pilose Stinking Horehound. PI. ? 



22 B. DISCOLOR (Desf. ex Steud. nom. p. 99.) and 23. B. 

 PARVIFOLIA (Desf. 1. c.) Nothing is known of these two plants 

 but the names. 



