Vol. III.] 



MINT FAMILY 



2. Stachys ambigua (A. Gray) Britton. 

 Dense-flowered Hedge Nettle. (Fig. 31 17. ) 



Stachys hyssopifolia var. ambigua A. Gray, Syn. Fl. 



2: Part i, 387. 1878. 

 3". ambigua Britton, Mern. Torr. Club, 5: 285. 1894. 



Perennial; stem slender, erect, retrorsely his- 

 pid, at least below, simple or sparingly branched, 

 i-2 high. Leaves oblong, oblong-lanceolate, 

 or linear, pubescent or glabrate, acuminate or 

 acute at the apex, narrowed at the base, 2 // -io // 

 wide, if-jf long, serrulate; clusters in a terminal 

 rather dense spike, and usually also in the upper 

 axils; calyx more or less hirsute, 2/^ // long, its 

 lanceolate-subulate teeth more than one-half as 

 long as the tube; corolla as in the preceding. 



In moist soil, eastern Pennsylvania to Georgia, 

 west to Illinois and Kentucky. July-Aug. 



3. Stachys tenuifolia Willd. Smooth 

 Hedge Nettle. (Fig. 3118.) 



Stachys tenuifolia Willd. Sp. PI. 3: 100. 1801. 

 S. glabra Ridd. Suppl. Cat. Ohio PL 16. 1836. 

 3". Cincifmaiensis Kuntze,~Rev.Gen.'Pl. 531. 1891? 



Perennial; stem quite smooth, or slightly 

 scabrous on the angles, slender, erect or as- 

 cending, usually branched, i-2^ high. 

 Leaves lanceolate, oblong, or ovate-lanceo- 

 late, slender-petioled, thin, acuminate at the 

 apex, obtuse or subcordate at the base, sharp- 

 ly dentate or denticulate, dark green, 2 / -5 / 

 long, )4 / -2 / wide; clusters several or numer- 

 ous in terminal spikes, or also in the upper 

 axils; calyx glabrous, or sparingly hirsute, 2 // 

 long, its teeth triangular-ovate to lanceolate, 

 acute, one-half as long as the tube or more; 

 corolla about 6'' / -8 // long, pale red and purple. 



In moist fields and thickets, New York to Illi- 

 nois, North Carolina and Louisiana. Ascends to 

 4000 ft. in North Carolina. June-Aug. 



4. Stachys palustris L,. Hedge Nettle. Marsh or Clown's Woundwort. 



(Fig. 31 19.) 



Stachys palustris L- Sp. PI. 580. 1753. 



Perennial, hirsute or pubescent all over; 

 stem erect, strict, simple or somewhat branch- 

 ed, commonly slender, and retrorse-hispid on 

 the angles, i-4 high. Leaves firm, lanceo- 

 late, oblong, or oblong-lanceolate, sessile, or 

 very short-petioled, acuminate or acute at the 

 apex, truncate, cordate or subcordate at the 

 base, 2 / ~5 / long, %f\ f wide, crenulate or 

 dentate; flowe&clusters forming an elongated 

 interrupted spike, sometimes also in the upper 

 axils; flowers 6-10 in a whorl; calyx pubescent, 

 its subulate teeth more than one-half as long 

 as the tube; corolla purplish to pale red, purple 

 spotted, 6 // -8 // long, its upper lip pubescent. 



p " In moist soil, Newfoundland to the Northwest 

 Territory and Oregon, south to southern New j 

 York, Illinois, Michigan, and in the Rocky Moun- ; 

 tains to New Mexico. Also in Europe and Asia, j 

 June-Sept. Old names, Clown's Heal or All-heal, : 

 Cock-head, Dead Nettle, Rough Weed. June-Sept. ! 



