MINT FAMILY. 353 



27. CEDRONELLA. (From Ccdnis, the cedar tree, referring to the 



fragrance of one spfcies.) 2/ 



C. cord^ta, Htnth. Shaily grounds from W. Penn. S., but rare ; low, 

 hairy, with Imii' h'afy runners, heart-sha]>C(l h'aves, and scattered ilowers, 

 the iitu-pli.sli ce>rolhi \\' long, its tliroat intlated. 



C.cana, Hook. Mexico, and cult.; pale or ashy; leaves ovate-lanceo- 

 late, somewhat toothed ; corolla an inch or less long, pink, the flowers in 

 clo.su clusters ; l"-;i^. 



28. BRUNELLA, SELF-HEAL or HFALALL. (Latinized from the 

 old Gernuiu name.) Flowers all summer. 21 



B. vulgaris, Linn. Low, spreading, with ovate or oblong petioled 

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

 of the head; corolla bluish-purple or rarely white. \Voods and moist 

 grouiuls ; common in thin lawns. 



29. SCUTELLARIA, SKULLCAP. (Latin sc((^'//«, a dish.) Flowers 

 in .summer, in our .species blue or violet. 11 



* Floice.rs small in axillary or some terminal one-sided racemes. 



S. Iaterifl6ra, Linn. Mad- dog Sklllcap from the shape of the 

 fruiting calyx ; smooth, branching, l"-2° high, with lance-ovate or oblong 

 acute coarsely serrate leaves on slender petioles ; lacemes rather leafy- 

 bracted ; flowers \' long. Shady wet places ; common. 



* * Flowers large, in racemes or spikes terminating the stem and hranrlips. 



H- Stem leaves all cordate ; lateral lobes of the corolla about equaling the 

 upper lip. 



S. versicolor, Nutt. Stem stout, l°-.3° high, soft-pubescent, as are 

 the heart-shaped, very veiny and rugose, crenate and bluntish long-peti- 

 oled leaves; spike-like racemes clammy-pubescent; corolla almo.st 1' 

 long, the lower lip purple-spotted. Banks, Penn. to Minn., and S. 



S. saxatilis, Hiddell. Glabrous or only slightly hairy ; stem 6'-18', 

 weak, often producing runners; leaves ovate or oblong, obtuse, crenate. 

 Moist banks, Del., W. and S. 



•*- ^- Stem leaves not cordate (sare occasionally the lowermost) ; lateral 

 lobes of corolla shorter than upper lip. 



*+ Green, nearly ylabrons. 



S. serrata, xVndr. 1°-:]°, the raceme single and loo.sely flowered ; 

 leaves ovate to ovate-oblong, tapering at both ends, serrate ; corolla 1' 

 long and narrow, its lips of equal length. Woods, Penn., W. and S. 



■*->■ *+ Grayish, pubescent to tomentose. 



S. canescens, Nutt. Ontario, S.; stems branching, 2°-4° high ; leaves 

 petioled, ovate or lance-ovate, or some of them heart-shaped at ba.sc, tho 

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

 down, otlierwise smoothish ; C(n-olla 1' long. 



S. pil6sa, Mich.v. Pubescent with spreading hairs ; stem nearly 

 simple, I'^-^o high, bearing rather distant pairs of roundish or oblong- 

 ovate veiny leaves, the lower sometimes heart-shaped, upper on short- 

 margined ]H'tioles; racemes short, the bracts spatulate ; corolla »' long. 

 N. v., W. and S.; variable. 



S. integrif6lia, Linn. Minutely honry, 1^-2^ high ; leaves lance-oblong 

 or linear, oi)tu,se, nearly entire, very short-pet ioled ; raceme short ; corolla 

 1' long, much enlarged upwards. Dry places, N. Eng., S. 

 (iKAv's r, 1-. & r. . HOT. — 2'5 



