1018 LAMIACEAE 



lanceolate, or those of the branches elliptic-lanceokite to ovate, all acute or acuminate, 3-8 

 cm. long, serrate, rounded or subcordate at the base ; petioles 1-3 mm. long : clusters soli- 

 tary or few, terminal, dense, 1-2 em. broad : bracts narrowly linear or slightly broadened 

 at the middle : calyx puberulcnt, 4-5 mm. long ; tube finely ribbed ; lobes triangular- 

 lanceolate, with subulate tips barely i as long as the tube : corolla 6-7 mm. long ; tube not 

 surjiassing the calyx, the upper lip oblong, obtuse, the lower lip 3-lobed, its middle lobe 

 oblong, notched, its lateral lobes rounded : filaments and style glabrous. 

 On rocks, mountains of North Carolina. Summer and fall. 



36. CUNILA L. 



Perennial caulescent herbs or shrubby plants, with aromatic herbage. Leaves 

 opposite : blades flat, entire or toothed, sometimes punctate. Flowers in axillary clusters. 

 Calyx slender : tube relatively short, pubescent in the throat, 10-13-ribbed : lobes 5, 

 equal, shorter than the tube. Corolla surpassing the calyx, 2-lii3ped : upper lip erect : 

 lower lip larger, spreading, 3-lobed. Stamens exserted : filaments various, 2 anther-bear- 

 ing, 2 much reduced or obsolete : anthers short ; sacs parallel. Nutlets smooth. Dittaxy. 



1. Cunila origanoides ( L. ) Britton. Foliage glabrous or nearly so. Stems 2-4 dm. 

 tall, wire-like, more or less branched : leaf -blades ovate to ovate-lanceolate, 1.5-2.5 cm. 

 long, acute or obtusish, serrate, rounded or subcordate at the base, sessile or nearly so : 

 cymes loosely flowered, short-peduncled : calyx narrowly campanulate, 2 mm. long ; tube 

 finely ribbed ; lobes ovate acutish, jiilose within : corolla 4-5 mm. long ; tube surpassing 

 the calyx, pubescent, the upper lip rounded or notched, the middle lobe of the lower lip 

 deeply notched. [C. Mariana L.J 



In dry soil, New York and Ohio to Florida. Summer and fall. Stone Mint. 



37. LYCOPUS L. 



Perennial caulescent nearly odorless herbs. Stems often producing stolons or suckers. 

 Leaves opposite : blades entire, toothed, incised or pinnatifid. Flowers in remote axillary 

 clusters. Calyx regular or nearly so : lobes 4-5, equal or very slightly unequal. Corolla 

 equalling the calyx or surpassing it, white or purplish : tube cylindric to funnelform : 

 lol)es 4, equal or one broader than the rest and often emarginate. Anther-bearing stamens 

 2, included : filaments 4, or the posterior pair reduced or wanting : anthers 2-celled ; sacs 

 l)iirallel. Nutlets 3-angled, truncate, smooth. Bugle-weed. Water Hoariiound. 



Calyx-lobes ovate to oblong or oblong-lanceolate, 4-5 : nutlets longer than the calyx-lobes. 



Corollas 1.5-2 mm. long : style included : calyx-lobes rather acute. " 1. L. Virginicus. 



Corollas 2-3 mm. long : style exserted : calyx-lobes rather obtuse. 2. L. communis. 



Calyx-lobes subulate to lanceolate, mostly 5 : nutlets shorter than the calyx-lobes. 

 Corolla twice as long as the calyx : bracts minute : blades of the lower leaves 

 merely toothed. 

 Leaf-l)lades sessile, sometimes partly clasping. 



Stems glabrous.'at least below : bracts subtending the cymes gradually^nar- 



rowed at the base. 3. L. sessilifolius. 



Stems densely puberulent or finely pubescent : bracts subtending the cymes 



truncate" at the base. ' 4. L. puhens. 



Leaf-blades manifestly petioled or with petiole-like bases. 



Stem glabrous or merely puberulent : calyx glabrous or nearly so ; lobes 



straight: corolla sparingly punctate. 5. L. rubelhis. 



Stem copiously pubescent : calyx closely pubescent ; lobes, at least the upper 



ones, recurved : corolla copiously punctate. 6. L. vdulinus. 



Corolla but little longer than the calyx : blades of the lower leaves pinnatifid. 7. L. Americamis. 



1. Lycopus Virginicus L. Purplish or green-purple, puberulent. Stems 1-8 dm. 

 tall, obtusely angled, not tuberous at the base, but with tuber-bearing stolons : leaf-blades 

 ovate to oblong-ovate or elliptic, 2-14 cm. long, usually acuminate at both ends, coarsely 

 toothed, manifestly petioled : calyx tubtdar ; lobes erect, oblong or oblong-lanceolate, 

 acutish : corolla 2 mm. long, or shorter, less than twice as long as the calyx ; lol)es almost 

 equal, erect or nearly so : stamens and style included : staminodia manifest : nutlets 1.5-2 

 mm. long, transversely notched and denticulate. 



In moist soil, New York to Nebraska, Georgia, Alabama and Arkansas. Summer and fall. 



2. Lycopus communis Bicknell. Green or sometimes purplish, less puberulent than 

 L. Virr/inicm. Stems 1-8 dm. tall, rather acutely angled, tuberous at the base, the stolons 

 rarely tuber-bearing : leaf-blades olilong or ol)long-lanceolate, 2-8 cm. long, serrate, sessile 

 or nearly so : calyx campanulate ; lobes ovate to ovate-oblong, rather obtuse : corolla 2-3 



