100 COMMON CANADIAN WILD PLANTS. 



1. VK K UK v \ , L. VERVAIN. 



1. V. hasta'ta, L. (Bu i; YKKVAIN.) Stem 3-5 feet high. 

 Leaves oblong-lanceolate, taper-pointed, serrate. Spikes of purple 

 flowers dense, erect, corymbed or panicled. Low meadows and 

 fields. 



2. V. urticifo'lia, L. (NETTLE-LEAVED V.) Stem tall. Leaves 

 oblong-ovate, acute, coarsely serrate. Spikes of small white 

 flowers very slender, loosely panicled. Fields and roadsides. 



3. V. angUStifo'lia, Michx. Stem low. Leaves narrowly 

 lanceolate, tapering at the base, sessile, roughish, slightly toothed. 

 Flowers purple, in a crowded spike. Dry soil. 



a. PHRY'MA, L. LOPSEED. 



P. Leptostach'ya, L. Corolla purplish or pale rose-coloured. 

 Stem slender and branching, 1-2 feet high. Leaves ovate, 

 coarsely toothed. Woods and thickets. 



ORDER LX. LABIATJE. (Mmx FAMILY.) 



Herbs with square stems, opposite leaves (mostly aromatic), 

 didynamous (or in one or two genera diandrou*) stamens, a 2- 

 lipped or irregularly 4- or 5-lobed corolla, and a deeply 4-lohed 

 ovary, forming in fruit 4 nutlets or achenes. (See Part I., Sec- 

 tion 65, for description of a typical plant. ) 



Synopsis of the Genera. 



* Stamens A, curved upwards, parallel, exsertedfrom a deep notch on the upper 

 side of the 5-lobed corolla. 



1. Teu'crium. Calyx 5-toothed. The four upper lobes of the corolla nearly 



equal, with a deep notch between the upper 2 ; the lower lobe much 

 larger. Flowers pale purple. 



2. Isan'thus. Calyx bell-shaped, 5-cleft, almost equalling the small pale-blue 



corolla. Lobes of the corolla almost equally spreading. Stamens only 

 slightly exserted. 



" * Stamens /+, the outer or lower pair longer, or only 2 with anthfrx, xtrt' : i/tt 

 and not converging in pairs ! Anthers %-celled ! 



-i- Corolla almost equally globed, quite small. 



'.i. Men'tlia. Calyx equally 5-toothed. Upper lobe of the corolla rather the 

 broadest, arid sometimes notched. Stamens k t of equal length, not con- 

 vergent. Flowers either hi terminal spikes or in hund-liku whorlnl 

 clusters, often forming interrupted spikes. Corolla purplish or whitish. 



