180 
POPULAR FLORA. 
Calyx not 2-lipped, 10-toothed. Clusters axillary, head-like, ( Marviibium ) Horetiotjnt>. 
Calyx not 2-lipped and only 5-toothed, 
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, ( Galedpsis) Hemp-Nettle. 
Anthers opening lengthwise. 
Corolla not enlarged in the throat: stamens turned down after shed- 
ding their pollen, ( Stachys ) Hedge-Nettle. 
Corolla enlarged in the throat: calyx-teeth not spiny, ( Lamkm ) Dead-Nettle. 
Corolla not enlarged in the throat: calyx top-shaped with spiny 
teeth. Akenes 3-angled. Leaves cleft and cut, ( Leonuvus ) Motherwort. 
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 Mint. Flowers in head-like clusters around the stem in the axils of the petioled leaves; 
plant hairy, or in one variety smoothish. Wet places. M. Canadensis. 
2. Peppermint. Smooth; clusters of flowers crowded in short spikes; leaves petioled, oblong or 
ovate. J/. piperita. 
3. Spearmint. Nearly smooth ,■ spikes panicled ; leaves lance-ovate, almost sessile. M. viridis. 
IIorsc-Mint. 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. Balm H. or Oswego Tea. Green, rather hairy; corolla long, bright red; uppermost leaves and 
bracts tinged with red. Moist banks, N., and in gardens. M. didyma. 
2. Common H. Pale, smoothish or soft downy ; flowers purplish or whitish, smaller. M.fistulbsa. 
* * Root annual : upper lip of the corolla notched : stamens not projecting. 
3. Dotted H. Leaves lance-shaped ; bracts yellowish and purple; corolla yellowish, purple-spotted. 
Sandy soil, S. M. punctata. 
Scullcap. Scutellaria. 
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. FI. summer. 
* Flowers small, in axillary one-sided racemes. 
1. Mad-dog S. Smooth, branched, slender; leaves lance-ovate or oblong, pointed, serrate, on slender 
stalks. Wet places. S. lateriflora. 
* * Flowers in terminal racemes. 
2. Larger S. Hairy and rather clammy, 1° to 3° high; leaves heart-shaped or ovate, wrinkled- 
veiny; upper lip of the corolla blue, the lower pale and purple-spotted. S. and W. S. versicolor. 
8. Hairy S. Hairy, 1° to 3° high, slender; leaves ovate, crenate, obtuse, veiny. S. pilosa. 
