MINT FAMILY 



445 



thickened. Nutlets with thickened margins. — Species 10, all continents except 

 South America. (Greek lukos, wolf, and pous, foot, perhaps on account of the 

 shape of the leaves iu the original species.) 



Stems arising from non-tuberous rootstocks ; calyx-teeth longer than nutlets. 



Leaf -blades with uneven or salient teeth or incisely lobed; nutlets V2 line long, with thick 

 entire margin 1. L- americanus. 



Leaf -blades evenly serrate ; nutlets % line long, with thin undulate margin 2. L. lucidus. 



Stems arising from tuberous rootstocks; calyx-teeth about as long as nutlets 3. L. unifiorus. 



1. L. americanus Muhl. Gipsy Hoarhound. (Fig. 444.) Stem branching 

 above, 2 to 4 feet high ; herbage nearly glabrous; leaf -blades broadly or narrowly 

 lanceolate, incisely toothed or laciniate-pinna- 

 tifid (the upper with few scattered teeth), 1 to 

 2 inches long, narrowed at the euneate base into 

 a short petiole; calyx-teeth narrowly ovate, 

 acuminate; inner angle of nutlets granulose 

 at apex. 



Swamps or river bottoms, 10 to 1500 feet : 

 Los Angeles and San Bernardino Cos. ; lower 

 San Joaquin Valley; Sacramento Valley; 

 northern Humboldt Co. North to British Co- 

 lumbia, east to Newfoundland. Aug.-Sept. 



Locs. — San Bernardino Valley, Parish 11,636; 

 Santa Ana River bottom, e. of Anaheim, Howell 3120; 

 Ballona, Los Angeles Co., Braunton 688; Mountain 

 Lake, San Francisco (Zoe 2:368) ; Old Eiver, 4 mi. ne. 

 of Byron, Jepson 10,028 ; Tyler Isl., lower Sacramento 

 Eiver, Jepson 14,900; Marysville, Jepson 16,756; Oro- 

 ville, Jepson 19,460; Klamath Eiver at mouth of Bluff 

 Creek, Humboldt Co., Tracy 6853. 



Eefs. — Lycopds americanus Muhl.; Bart., Fl. 

 Phila. 15 (1815), type loc. Philadelphia, Pa.; Jepson, 

 Fl. W. Mid. Cal. 466 (1901), ed. 2, 364 (1911), Man. 

 885, fig. 830 (1925). L. sinuatus Ell., Bot. S. Car. and 

 Ga. 1:26 ( 1821 ) , type loc. Ogeechee Eiver, Ga. L. lace- 

 rus Greene, Pitt. 3:339 (1898), type loc. Elk Grove, 

 Sacramento Co., Brew. 



Fig. 444. Lycopus amekicanus 

 Muhl. a, fl. stem, X V" ; 6, fl., X 2% ; 

 c, fruit and calyx, X 10; d, nutlet, dor- 

 sal view, X 14 ; e, nutlet, ventral view, 

 X 14. 



2. L. lucidus Turcz. Benicia Hoar- 

 hound. Stem stoutish, 2 to 3 feet high ; herbage 

 puberulent; leaf -blades broadly or narrowly 

 oblong, coarsely but evenly toothed, sessile, the 



lower 3 to 4 inches long and % inch wide, the upper reduced ; calyx-teeth attenuate- 

 subulate; inner angle of nutlets granulose to the base. 



Salt marshes and freshwater swamps, 10 to 1000 feet : Solano Co. ; Shasta Co. 

 North to Washington, east to I\Iichigan. Northern Asia. Aug.-Sept. 



Locs. — Benicia, Solano Co., Jepson 14,901 ; Fall Eiver Lake, Shasta Co., M. S. Baker. 



Eefs. — Ltcophs lucidus Turcz.; Benth., in DC, Prodr. 12:178 (1848), type loc. Ircutia, 

 Siberia; Jepson, Fl. W. Mid. Cal. 466 (1901), ed. 2, 364 (1911), Man. 885 (1925); Piper, Contrib. 

 U. S. Nat. Herb. 11:491 (1906). L. maritimus Greene, Pitt. 3:340 (1898), type loc. Suisuu 

 Marshes, Greene. 



3. L. uniflorus Michx. Stem erect, 6 to 12 inches high, arising from a tuberous 

 rootstock, simple or with 2 or 3 branches from or near the base, microscopically 

 puberulent; leaf-blades oblong-ovate to ovate, serrate above the euneate base, 1 to 

 IV^ (or 2V2) inches long, borne on petioles Yo to 2 lines long; calyx-teeth ovate; 

 nutlets % line long, the flat back with a thickened entire margin. 



In boggy ground or borders of ponds, 5 to 20 feet : northern Humboldt coast. 

 North to Oregon, thence to British Columbia, Newfoundland and North Carolina. 

 June-July. 



