io8 



LABIATAE. 



[Vol. III. 



2-lippe(l, naked or villous in the throat, the upper lip 3-toothed, the lower 2-cleft. Corolla 

 usuallj' expanded at the throat, the tube straight, mostly longer than the calyx, the limb 

 2-lippcd; upper lip erect, entire or cmarginatc; lower lip spreading, 3-cleft. Stamens 4, all 

 anther-bearing, didynamous, ascending under the upper lip of the corolla, somewhat con- 

 uivent in pairs, the longer mosth' exscrted; anthers 2-cellcd, the sacs divergent or divaricate. 

 Ovary deeply 4-parted; style glabrous, 2-cleft at the summit. Nutlets ovoid, smooth. 

 [Greek, bed-foot, the flowers likened to a bed-castor.] 



About 50 species, natives of the north temperate zone. Besides the following, 3 others occur 

 in the southeastern United States and in California. Tlie genus has recently been included in 

 Salureia by Briiiuet ( Knulcr & Prantl, Nat. Pll. Fani. 4: Abt. 3a, 296). 



■K- Flower-clusters dense, axillary and terminal, setaceous-bracted. i. C. vulgare. 



^ -X- Flower-clusters loose, axillary, or forming terminal thyrses ; bracts small. 



Plants pubescent: introduced species. 



Clu.sters pedunclcd; calyx not gibbous; upper leaves very small; perennials. 



Leaves '/-i' long; corolla somewhat exceeding tlie calyx. 2. C. Nepela. 



Leaves I'-a' long; corolla at least twice as long as the calyx. 3. C. Calaminlha. 



Clusters sessile; calyx very gibbous; plant leafy, annual. 4« C. Actnos. 

 Platits glabrous; native species. 



Leaves linear or the lower spatulate, entire; corolla 4" long. 5. C. glabrum. 



Leaves oblong or oblong-lanceolate, serrate; corolla 6"-7" long. 6. C. glabellum. 



I. Clinopodium vulgare I^. Field or Wild Basil. Basil-weed. (Fig. 3146.) 



Clino/'Oiiiiivi :'ii!i;an: L. Sp. PI. 5S7. 175,5. 



Melissa Cti>iof>(nliti»i Bentli. Lab. Gen. & Sp. 393. 1834. 



Calaminlha Clinopodium Benth. in DC. Prodr. 12: 235. 



1848. 



Perennial by short creeping stolons, hirsute; 

 stem slender, erect from an ascending base, usually 

 branched, sometimes simple, i°-2° high. Leaves 

 ovate or ovate-lanceolate, petioled, obtuse or acut- 

 ish, entire, undulate or crenate dentate, rounded, 

 truncate or sometimes narrowed at the base, thin, 

 i'-2}'i' long; flowers in dense axillary and terminal 

 capitate clusters about i' in diameter; bracts seta- 

 ceous, hirsutc-ciliate, usually as long as the calyx- 

 tube; calyx pubescent, somewhat gibbous, the 

 setaceous teeth of its lower lip rather longer than 

 the broader ones of the upper; corolla purple, pink, 

 or white, little exceeding the calyx-teeth. 



In woods and thickets, Nova Scotia to West Virginia, 

 Minnesota and Manitoba, south in the Rocky Moun- 

 tains to Colorado. Ascends to 4000 ft. in Virginia. Per- 

 haps introduced eastward. Native of Europe and Asia. 

 Called Stone Basil, Bed's-foot, Horse Thyme. June-Oct. 



Clinopodium Nepeta (L.) Kuntze. Field Balm. 



(Fig. 3147.) 



Lesser Calamint. 



jtfelissa Nepela L. Sp. PI. 593. 1753. 



Calaminlha Nepela Link & HofTmansg. Fl. Port, i: 14. 



1809. 

 Clinopodium Nepela Kuntze, Rev. Gen. PI. 515. 1891. 



Perennial from a woody root and short rootstocks, 

 villous or pubescent; stem rather stout, at length 

 much branched, the branches nearly straight, 

 ascending. Leaves broadly ovate, petioled, obtuse 

 or acute, crenulate with few low teeth, rounded 

 or narrowed at the base, the lower 'i'-i' long, the 

 upper much smaller and bract-like; flowers few in 

 the numerous loose pcduncled axillary cymes, 

 forming an almost naked elongated thyrsus; bracts 

 very small, linear; calyx not gibbous, villous in 

 the throat, about 1^2" long, the teeth of its lower 

 lip twice as long as those of the upper; corolla 

 light purple or almost white, about 4" long. 



In fields and waste places. Marj-land to North Caro- 

 lina, west to Kentucky and .\rkansas. Naturalized 

 from Europe. Native also of Asia. June-Sept. 



