LAMIACEAE 1025 



1. Marrubium vulgare L. Stems white-woolly, branched at the base and often 

 throughont, 2-9 dm. tall, usnally strict : leaf-bladessuborbicular, oval or ovate, 1-4 cm. long, 

 crenate, strongly rugose, broadly or narrowly cuneate at the base : flower-clusters 1-2 cm. 

 in diameter, not contiguous : bracts subulate, with hooked ends : calyx 4-5 mm. long ; tube 

 cylindric-prismatic, 10-ribbed ; lobes 10, shorter than the tube, rigid, hooked : corolla white, 

 5-6 mm. long, puberulent, the lips shorter than the tube : nutlets 2 mm. long, granular. 



In waste places and on roadsides, Maine, Ontario and British Columbia, Florida, Texas and Mexico. 

 Naturalized from Europe. Spring and summer. 



7. AGASTACHE Clayt. 



Perennial herb.s, with tall stems. Leaves opposite : blades broad, toothed, petioled. 



Flowers in dense terminal continuous or interrupted panicles. Calyx narrowly campanu- 



late or nearly tubular, often slightly 2-lipped : lobes about equal, or the upper one slightly 



larger. Corolla yellowish, purplish or blue, 2-lipped : upper lip erect, notched : lower lip 



with 2 lateral lobes and a larger often toothed or undulate middle lobe. Stamens 4, 



exserted : filaments all anther-bearing : anthers with almost parallel sacs. Nutlets smooth 



or merely granular. [Lophanthiis Benth., not Adans.] 



Foliage glabrous ornearlyso: calyx-lobes barely acute : corolla greenish yellow. 1. A. nepetoideg. 

 Foliage finely hirsute : calyx-lobes acuminate: corolla purplish. 2. A. soophulariaefolia. 



1. Agastache nepetoides (L. ) Kuntze. Stems glabrous or nearly so, 1-2 m. tall, 

 branching : leaf-blades ovate or ovate-lanceolate, 5-12 cm. long, acute or slightly acumi- 

 nate, serrate or crenate-serrate, truncate or cordate at the base : panicles 0.5-4 dm. long, 

 1.5-2 cm. thick, sometimes interrupted below, erect : calyx short-pedicelled, 5-6 mm. long ; 

 lobes ovate or oblong-ovate, barely acute, shorter than the tube : corolla greenish yellow, 

 7-9 mm. long, the lower lip with a broad undulate lip : nutlets 2 mm. long, granular and 

 minutely pubescent. 



On hillsides, Ontario to Wisconsin, Georgia and Kentucky. Summer. 



2. Agastache scrophulariaefolia (Willd.) Kuntze. Stems finely hirsute, 1-2 m. 



tall, branching, sharply angled : leaf-blades ovate, ovate-lanceolate or nearly elliptic above, 



acute or short-acuminate, coarsely serrate, rounded or subcordate at the base : panicles 



spike-like, 0.5-3 dm. long, 1-1.5 cm. thick or rarely thicker : pedicel shorter than the 



calyx : calyx 6-7 mm. long ; lobes lanceolate, acuminate : corolla purplish, 6-8 mm. long, 



the lower lip with broad middle lobe : nutlets barely 2 mm. long, hispidulous. 



On hillsides and in thickets, Connecticut to Wisconsin, North Carolina and Kentucky. Summer 

 and fall. 



8. MEEHANIA Britton. 



Perennial herbs, with pubescent foliage and decumbent and creeping stems. Leaves 

 opposite : blades broad, toothed, petioled. Flowers in terminal one-sided racemes. Calyx 

 campanulate : tube 15-ribbed : lobes 5, acute, the upper longer than the lower. Corolla blue 

 or sometimes white, puberulent without, with a wide throat and a 2-lipped limb : upper lip 

 arched, notched : lower lip spreading with 2 lateral lobes and a notched middle lobe. 

 Stamens 4, included : filaments all anther-bearing : anther-sacs almost parallel. Nutlets 

 smooth. 



1. Meehania cordata (Nutt. ) Britton. Stems sparingly hirsute, creeping or ascend- 

 ing, 1.5-11 dm. long, commonly branching, producing leafy runners at the base : leaf-blades 

 ovate or orbicular-ovate, 2-7 cm. long, obtuse, crenate, cordate : racemes 5-10 cm. long : 

 pedicels stout, 2-5 mm. long : bracts ovate to narrowly-elliptic : calyx puberulent, 18-14 

 mm. long ; tube campanulate ; lobes triangular, acute or slightly acuminate, h as long as 

 the tube : corolla blue or rarely white, 2.5-3 cm. long, the lower lip 3-lobed, the upper lip 

 3-lobed. [Cedronella cordata {^utt.) Benth.] 



In rich woods, Pennsylvania to North Carolina, Kentucky and Tennessee. Spring and summer. 



9. NEPETA L. 

 Annual or perennial caulescent herbs, with usually pubescent foliage. Leaves oppo- 

 site : blades broad, toothed or injcised. Flowers in clustered axillary cymes, sometimes 

 approximate or contiguous. Calyx often inflated at maturity : tube 15-ribbed, incurved : 

 lobes 5, the upper slightly longer than the lower. Corolla white or blue, 2-lipped : tube 

 enlarged above : upper lip entire or notched : lower lip larger, with two lateral lobes and 

 a larger middle lobe. Stamens 4, exserted : filaments all anther-bearing : anthers with 

 divergent sacs. Nutlets flattened, smooth. 

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