Vol. III.] 



VERVAIN FAMILY. 



73 



i. Lippia cuneifolia (Torr.) Steud. 

 Wedge-leaved Fog-fruit. (Fig. 3065.) 



Zapania cuneifolia Torr. Ann. Lvc. N. Y. 2: 234. 



1S27. 

 Lippia cuneifolia Steud.; Torr. in Maud's Rep. 



293. pi. 17. 1853. 



Pale, minutely puberuleut with forked hairs 

 or glabrous, diffusely branched from the woody 

 base; branches terete, slender, rigid, procum- 

 bent, somewhat zigzag, with short erect branch- 

 lets at the nodes. Leaves linear-cuneate, ses- 

 sile, obscurely veined, rigid, i / -i}4 / long, 2 // ~y / 

 wide, with 2-8 sharp teeth above the middle or 

 rarely entire, acutish at the apex; peduncles 

 shorter than or somewhat exceeding the leaves; 

 head at first globose, becoming cvlindric and 

 6 // -S // long; bracts cuneate, abruptly acuminate 

 from the truncate or retuse summit; calyx flat- 

 tened, 2-cleft, the lobes 2 toothed or emarginate; 

 corolla-tube longer than the calyx ; fruit oblong. 



On plains, Nebraska and Colorado to Texas> 

 Mexico and Arizona. May-Aug. 



2. Lippia lanceolata Michx. Fog- 

 fruit. (Fig. 3066.) 



L. lanceolata Michx. Fl. Bor. Am. 2: 15. 1803. 



Green, glabrous, or very sparingly pubes- 

 cent with forked hairs; stems slender, weak, 

 procumbent or ascending, sometimes rooting 

 at the nodes, simple, or little branched, i-2 

 long. Leaves thin, oblong, ovate, or oblong- 

 lanceolate, pinnately veined, short-petioled, 

 acute or subacute at the apex, sharply serrate 

 to below the middle, narrowed to the some- 

 what cuneate base, i / -3 / long, 3 // -i5 // wide; 

 peduncles slender, some or all of them longer 

 than the leaves; heads at first globose, be- 

 coming cylindric and about y 2 ' long in fruit; 

 bracts acute; calyx flattened, 2-cleft; corolla 

 pale blue, scarcely longer than the calyx; 

 fruit globose. 



In moist soil, New Jersey to Illinois and Kan- 

 sas, south to Florida, Texas and northern Mexico. 

 Also in California. June-Aug. 



3. Lippia nodiflora (L.) Michx. Spat- 

 ulate-leaved Fog-fruit. (Fig. 3067.) 



Verbena nodiflora L- Sp. PI. 20. 1753. 



Lippia nodiflora Michx. Fl. Bor. Am. 2: 15. 1803. 



Minutely and rather densely puberulent 

 with short appressed hairs, creeping, or some 

 of the branches ascending, i-3 long. Leaves 

 thickish, spatulate, oblanceolate, or obovate, 

 6"-2%' long, 3 // -i2 // wide, mostly obtuse at 

 the apex, narrowed into a long or short cune- 

 ate entire base, sharply serrate above the mid- 

 dle ; peduncles slender, \'-W long, much 

 longer than the leaves; heads at length cylin- 

 dric and 5 // -i2 // long, 3 // -4 // thick; calyx 

 flattened, 2-cleft; corolla purple to white. 



In wet or moist soil, Georgia to southern Mis- 

 souri, Florida and Texas. Also in California, 

 Central America, the West Indies, and apparently 

 the same species in the warmer regions of the 

 Old World May-Sept. 



