LAMIACEAE K)43 



** Calyx over 1.5 cm. long: corolla 4-5 cm. long. 5. C. macrocalyx. 

 b. Leaf-blades tootbed : corolla less than 15 mm. long. 



Clusters 5-6-tlowered : leaf-blades broadest below the middle, sessile or 



nearly so. 6. C. CaroUnianuin. 



Clusters 1-3-fiowered : leaf-blades broadest above the middle, petioled. 7. C. dentatum. 



B. Plants herbaceous : corolla less than 10 mm. long. 8. C. Nepeta. 



1. Clinopodium viilgare L. Perennial, hirsute. Stems erect or ascendinpj, 1-5 dm. 

 tall, simple or sparingly branched : leaf-blades oval to ovate or ovate-lanceolate, 1-4 era. 

 long, obtuse, undulate or crenate, narrowed into slender petioles : clusters dense, 1-3 cm. in 

 diameter : bracts linear-tiliform, bristly : calyx 8-9 mm. long, villous-hirsute ; tube strongly 

 ribbed ; lobes of both lips subulate-tipped, the lower lip barely surpassing the upper : 

 corolla white or purple ; tube dilated from near the base, the upper lip notched, the lower 

 lip witli 3 obtuse lobes. [Calanuntha Clinopodium Benth.] 



In thickets and copses. Nova Scotia to Manitoba, North Carolina and Colorado. Summer and fall. 



2. Clinopodium glabrum (Nutt. ) Kuntze. Perennial, stoloniferous, glabrous. Stems 

 erect, often tufted, 1-3 dm. tall, simple or branched : leaves of stolons with obovate or oval 

 blades, those of lower part of stem spatulate ; upper stem-leaves numerous ; blades linear, 

 obtuse or acutish, entire or sparingly toothed: clusters 2-6-flowered : pedicel longer than 

 calyx : calyx 4-5 mm. long ; tube strongly ribbed ; lobes lanceolate-subulate or the upper 3 

 narrowly triangular, the lower narrower and a little longer than upper: corolla 8-9 mm. 

 long, puberulent, the upper lip notched, 1 mm. long. [Calnmintha Nuttallii Benth.] 



On rocks and rocky banks, Ontario to Minnesota, New York and Texas. Spring and summer. 



3. Clinopodium glab611um ( Michx. ) Kuntze. Perennial, lax, nearly glabrous. 

 vStems weak, ascending, or decumbent, 1-4 dm. long, simple or branched : leaf-blades ob- 

 long or elliptic, 1-4 cm. long, obtuse, sparingly serrate, short-petioled : clusters 2-10-flow- 

 ered : pedicel as long as the calyx or longer : calyx 5-(5 mm. long ; tube strongly ribbed, 

 the upper lobes lanceolate-subulate, upcurved ; the lower lobes subulate, nearly straight, I as 

 long as the tube : corolla 12-14 mm. long ; tube pubescent, the upper lip notched, the lower 

 lip with a rather .square middle lobe : nutlets 0.8 mm. long, granular. \ Calamintha qlabella 

 (Michx.) Benth.] 



On limestone banks, Kentucky and Tennessee. Spring and summer. 



4. Clinopodium coccineum (Xutt.) Kuntze. A branching shrub 3-9 dm. tall, the 

 foliage cinereous-puberulent or glaln-ate : leaf-blades leathery, obovate, spatulate to linear- 

 spatulate or linear-oblong, 0.5-2 cm. long, obtuse or acutish, entire, sessile or nearly so : 

 pedicels 2-4 mm. long : calyx 8-11 mm. long ; tube nearly cylindric, puberulent, the upper 

 lip mucronate, the lobes of the lower lip lanceolate-acuminate, 1.2-2.5 mm. long : corolla 

 scarlet, puberulent, 3-4 cm. long, the upper lip deeply notched ; nutlets barely 1.5 mm. 

 long. [Calamintha cocci)iea CNutt.) Benth.] 



In sandy soil. Florida to Alabama. Summer and fall. 



5. Clinopodium macrocdlyx Small. Similar to C. coccineum in habit : leaf-blades 

 broadly spatulate, 1-1.5 cm. long, obtuse or slightly apiculate, somewhat revolute, copiously 

 punctate, contracted to the narrow base: pedicels 2-4 mm. long: calyx 16-18 mm. long ; 

 tube striate, puberulent, the upper lip acute, the lobes of the lower lip subulate, 4.5-6 mm. 

 long : corolla scarlet, minutely pubescent, 4-5 cm. long, the upper lip notched. 



In pine lands, Indian River region, Florida. Summer. 



6. Clinopodium Carolinianum (Michx.) Heller. A branching shrub 2-6 dm. tall, 

 the branches finely pubescent : leaf-blades lirni, ovate, oval or oblong, obtuse, 1-3 cm. long, 

 shallowly serrate, narrowed into short petioles : clusters few-flowered, sometimes peduncled : 

 calyx 5-6 mm. long, glandular-dotted ; tube strongly ribbed, villous in the throat ; upper 

 lip carving upward, 2-3-toothed, the lower lip of 2 lanceolate lobes : corolla white or pink- 

 purple, and purple spotted, 10-13 mm. long, minutely pubescent, the upper lip notched, 

 the lower lip 3-lobed : filaments and style glabrous : nutlets about 1 mm. long, granular. 

 \_Calamintha Caroliniana (Michx.) Benth.] 



In dry soil. North Carolina to Florida. Summer and fall. 



7. Clinopodium dentktum (Chapm. ) Kuntze. A diffusely branched shrub, 

 cinereous-tomentulose. Stems 3-7 dm. tall : leaf-blades leathery, obovate to oblong- 

 cuneate, 5-12 mm. long, entire or 2-4-toothed at the apex, sessile or "nearly so : clusters 2-6- 

 flowered : pedicels shorter than calyx : calyx 6-7 mm. long ; tube strongly ribbed, the 

 upper lip 2-.3-toothed, upcurved, the lower lip of 2 subulate-lanceolate ciliate lobes : corolla 

 white or purplish, 11-13 mm. long. [Calamintha dentata Chapm.] 



In sand, Florida. Spring to fall. 



8. Clinopodium N6peta (L. ) Kuntze. Perennial, villous-hirsute or cinereous. 

 Stems simple or branched at the base, the branches erect or ascending, 2-9 dm. tall, more 



