180 POPULAR FLORA. 



Culyx not 2-lippccl, 10-toothed. Clusters axillary, head-like, (Mcij^riiLuan) Honnrouxni 

 Calyx not 2-lipped and only 5-tootlied, 



Funnel-shaped and much larger than the corolla, {Moluccella) ^Molucca-Balm- 



Bell-shaped or top-shaped, much shorter than the corolla. 



Anthers opening crosswise: calyx-teeth spiny-pointed, {^GaleojJsls) HEMP-XiiXTHi. 

 Anthers opening lengthwise. 



Corolla not enlarged in the throat: stamens turned down after shed- 

 ding their pollen, {Slachys) Hkdge-Xettle. . 

 Corolla enlarged in the throat: calyx-teeth not spiny, {Lainium) Dkad-Nettle. ^rUf,SkC 

 Corolla not enlarged in the throat: calyx top-shaped with spiny * 

 teeth. Akenes 3-angled. Leaves cleft and cut, {Leonurus) 'i^loTWEiiwoixT. ^, ^^ . 



Mint. Mentha. 



Herbs with sharp-tasted leaves and small whitish or purplish flowers: upper lobe of the short co- 

 rolla either entire or notched. 



1, Wild ^Iixt. Flowers in head-like clusters around the stem in the axils of the petioled leaves; 



plant hairy, or iu one variety smoothish. Wet places. M. Canadensis. 



2. PErPEUMiXT. Smooth; clusters of flowers crowded in short spikes; leaves petioled, oblong or 



ovate. J/, piperita. 



8. Speakmixt. Nearly smooth ; spikes paniclcd ; leaves lance-ovate, almost sessile. M. vividis. 



Horse^Miiit. Mondrda. 



Herbs with mostly simple stems, and rather large flowers in close head-like clusters at the summit 

 of the stem, and around it in the axils of the upper leaves, surrounded by large bracts. 



* Root perennial : upper lip of the narrow corolla entire, the 2 stamens projecting from it: leaves 



lance-ovate or slightly heart-shaped. 



1. r)ALM H. or Oswego Tea. Green, rather hairy ; corolla long, bright red; uppermost leaves and 



bracts tinged with red. Moist banks, N., and in gardens. JA didyma. 



2. COMMOX n. Pale, smoothish or soft downy; flowers purplish or whitish, smaller. M.fstuldsn. 



■t * Root annual: upper lip of the corolla notched: stamens not projecting. 



S. Dotted H. Leaves lance-shaped; bracts yellowish and purple; corolla yellowish, purple-spotted. 

 Sandy soil, S. J/, punctata. 



Scuilcap. Scntellavia. 

 Well marked by the tubular ascending corolla (mostly blue or bluish-purple) with a strongly arched 

 upper lip; the calyx with two short entire lips, closed after the corolla falls, and having an enlargement 

 on the back, the whole becoming of the shape of a helmet. Fl. summer. 



* Flowers small, in axillary one-sided racemes. 



1. :^L\.D-DOG S. Smooth, branched, slender; leaves lance-ovate or oblong, pointed, serrate, on slender 



stalks. Wet places. S. laterijibra. 



* * Flowers in terminal racemes. 



2. Larger S. Hairy and rather clamm}', 1° to 3° high; leaves heart-shaped or ovate, wripkled- 



vciny ; upper lip of the corolla blue, the lower pale and purple-spotted. S. and W. S. versicolor. 

 8. Haiky S. Hairy, 1° to 3° high, slender; leaves ovate, crenate, obtuse, veiny. S.jjilosa. 



