252 MINT FAMILY. 



29. BRUN^LLA, SELF-HEAL or HEAL-ALL. (Latinized from the 

 old German name.) Fl. all summer. ^ 



B. VUlgaris. Low fields and copses low, spreading, with ovate or oblong 

 petioled leaves, and 3 flowers under each of the broad and round purplish bracts 

 of the head ; corolla bluish-purple or rarely white. 



30. SCTJTELlARIA, SKULLCAP. (Name from Latin scutellum, a 

 dish.) Fl. in summer, in species ours blue or violet. 2/ 



1. Flowers in racemes or spikes terminating the stem and brandies. 



S. versicolor. River-banks, from Penn. W. & S. : stem stout, l-3 high, 

 soft-pubescent, as are the heart-shaped very veiny and rugose eremite and blunt- 

 ish long-petioled leaves; spike-like racemes clammy -pubescent ; corolla almost 

 1' long, the lower lip purple-spotted. 



S. can6scens. From Perm. S. & W. : stems branching, 2 - 4 high ; 

 leaves petioled, ovate or lance-ovate, or some of them heart-shaped at base, the 

 lower surface as also the racemes and flowers whitish with very fiue soft down, 

 otherwise smoothish ; corolla 1' long. 



S. pilbsa. Pubescent with spreading hairs; stem nearly simple, l-3 

 high, bearing rather distant pairs of roundish or oblong-ovate veiny leaves, the 

 lower sometimes heart-shaped, upper on short-margined petioles ; racemes 

 short, the bracts spatulatc ; corolla |' long. 



S. integrif61ia. Along thickets: minutely hoary, l-2 high; leaves 

 lance-oblong or linear, obtuse, nearly entire, very short-pctioled ; raceme short; 

 corolla 1' long, much enlarged upwards. 



2. Flowers short-pedunded in the axils of some of the sessile leaves. 



S. nerv6sa. Moist ground from New York S. W. : smooth, 1- 2 high, 

 slender; leaves roundish or bvate, sparingly toothed, 1' long, those subtending 

 the flowers ovate-lanceolate and entire, the nerve-like main veins prominent 

 beneath ; flowers 4' long. 



S. parvula. Dry banks and shores, commoner W. & S. : low and spread- 

 ing, 3' - 6' high ; with round-ovate or lance-ovate and slightly heart-shaped 

 leaves ' or more long, and flowers ' long. 



S. galericulata. Wet ground N. : smoothish ; the slender simple stems 

 l-2 high ; leaves ovate-lanceolate, sometimes with a heart-shaped base, acute, 

 serrate ; flowers if' long, with arched upper lip. 



3. Flowers in axillary or some terminal one-sided racemes. 

 S. lateriflbra. Wet shady places : smooth, branching, 1 -2 high, with 

 lance-ovate or oblong acute coarsely serrate leaves on slender petioles ; racemes 

 rather leafy-bracted ; flowers \' long. 



31. MARRITBITJM, HOREHOUND. (Late Latin name, from Hebrew 

 word for oitter.) Fl. late summer. ^ 



M. VUlgare, COMMON H., from Europe, in gardens and waste places : 

 branching, spreading, hoary-downy, with round-ovate crenate-rugose leaves on 

 petioles, and small white corolla. 



BLACK HOREHOUND, BALL<">TA N!GRA, of Europe, and naturalized in a 

 few places E., is not hoary, and has purplish flowers with a spreading 5-toothed 

 border to the calyx. 



32. GALEOPSIS, HEMP-NETTLE. (Name in Greek means like a 

 weasel; the likeness not at all obvious.) Fl. summer. 



G. Tetrahit, COMMON H. Damp waste and cult, grounds, nat. from Eu. : 

 a common weed, rather bristly-hairy, with stem swollen below each joint, leaves 

 ovate and coarsely serrate, and corolla purplish or variegated. 



33. LAMIUM, DEAD-NETTLE. (Name from Greek word for throat.) 

 Low spreading herbs from Old World : 11. spring and summer. 



