84 



LABIATAE. 



[Vol.. III. 



I. Marrubium vulgare L. White 

 Hoarhound. (Fig. 3089.) 



Marrubium vulgare L. Sp. PI. 583. 1753. 



Stem erect, stout, woolly, especially be- 

 low, 1°-^° high, the branches ascending. 

 Leaves oval, broadly ovale or nearly orbicu- 

 lar, rugose-veined, obtuse at the apex, cren- 

 atc-dcntate, rounded, narrowed or subcor- 

 date at the base, i'-2' long, rough, whitish 

 above, woolly beneath; petioles !i'-i' long, 

 usually exceeding the flowers; clusters all ax- 

 illary, densely uiauy-fiowered; flowers whit- 

 ish; calyx-teeth usually 10, subulate, more or 

 less recurved, glabrous above, woolly below. 



In waste places, Maine and Ontario to Minne- 

 sota and British Coltnnbia, North Carolina, Ten- 

 nessee, Texas and Mexico. Naturalized from 

 Kurope. Native also of Asia. Old names, 

 Houndbene, Marrube, Marvel. 



AGASTACHE Clayt. ; Gron. Fl. Virg. 88. 1762. 

 [Yi.KCKiA Raf. Med. Rep. (II.) 5: 308. 1808.] 

 [LOPHANTHUS Bcnth. Bot. Reg. 15: under />/. J3S2. 1S29. Not Adans. 1763.] 

 Tall erect perennial herbs, with serrate, mainly ovate, petioled leaves, and yellowish pur- 

 plish or blue flowers, verticillate-clustered in thick dense or interrupted bracted terminal 

 spikes. Calyx narrowly campanulatc, somewhat oblique, slightly 2-lipped, 5-toothed, the 

 teeth of the upper lip somewhat larger than those of the lower, or all about equal. Corolla 

 strongly 2-lipped, the tube as long as the calyx; upper lip erect, 2-lobed; lower lip spreading, 

 3-lobcd, its middle lobe broader than the lateral ones and crenulate. Stamens 4, all anther- 

 bearing, didynamous, the upper pair the longer; anthers 2-cellcd, their sacs nearly parallel. 

 Ovary dccpl)' 4-parted; style 2-cleft at the summit. Nutlets ovoid, smooth. [Greek, many 

 spikes.] 



About 4 species, natives of North America. ■ Besides the following, another occurs in the western 

 part of the United States. 



Glabrous or very nearly so, stout; corolla greenish-yellow. i. A. nepetoides. 



Pubescent, stout; corolla purplish; leaves green both sides. 2. A. scrofhulariaefolia. 



Glabrous or slightly pubescent, slender; corolla blue; leaves pale beneath. 3. A. anethiodora. 



I. Agastache nepetoides (L. ) 



Kuntze. Catnep Giant-Hyssop. 

 (Fig. 3090-) 



Hyssopus nepcloides L. Sp. PI. 569. 1753. 

 Lophanlhus nepetoides Benth. Bot. Reg. 



under pi. I2S2. 1829. 

 J'leckia nepetoides Raf. Fl. Tell. 3: 89. 1836. 

 A. nepetoides Kuntze, Rev. Gen. PI. 511. 1891. 



Glabrous, or slightly puberulent; stem 

 stout, 2°-5° high, branched, at least above. 

 Leaves ovate or ovate-oblong, acuminate or 

 acute at the apex, rounded, cordate or the 

 upper narrowed at the base, mostly thin, 

 coarsely dentate, 2'-6' long; spikes 3'-iS' 

 long, usually very dense; petioles of the 

 lowest leaves often 1' long; bracts ovate, 

 acute or acuminate; caly.x-teeth oblong or 

 ovate-oblong, obtuse or subacute, some- 

 times purplish; corolla greenish yellow, 

 about 4" long, scarcely exceeding the 

 calyx. 



In woods and thickets. Vermont and On- 

 tario to Wisconsin, south to Georgia and 

 Kentucky. July-Sept. 



