136 LABIATAE, Vor. III. 
1. Hedeoma pulegioides (L.) Pers. American Pennyroyal. Fig. 3647. 
Melissa pulegioides L. Sp. Pl. 593. 1753. 
Cunila pulegioides L. Sp. Pl. Ed. 2, 30. 1762. 
Hedeoma pulegioides Pers, Syn. 2: 131. 1807. 
Annual; stem very slender, erect, much branched, 
finely soft-pubescent, 6-18’ high, the branches ascend- 
ing. Leaves ovate to obovate-oblong, petioled, sparingly 
serrate, mostly obtuse at the apex and narrowed at the 
base, glabrous, or sparingly pubescent, thin, 4’-13’ long, 
2-8” wide, the upper smaller; clusters few-flowered, 
axillary, rather loose; pedicels pubescent, shorter than 
or equalling the calyx; calyx pubescent, gibbous, oblong- 
ovoid in fruit, its 3 upper teeth triangular, acute, not 
exceeding the 2 subulate hispid lower ones; corolla 
bluish-purple, about 3” long; rudimentary stamens 
manifest, capitate at the summit, or rarely anther- 
bearing. 
In dry fields, Cape Breton Island to Ontario and Minne- 
sota, Florida, Alabama, Arkansas and Nebraska. Also 
called tick-weed and squaw-mint. July—Sept. 
2. Hedeoma hispida Pursh. Rough Pennyroyal. Fig. 3648. 
Hedeoma hispida Pursh, Fl. Am. Sept. 414. 1814. 
Hedeoma hirta Nutt. Gen, 1: 16. 1818. 
Annual; stem erect, branched, slender, 3’-8’ high, 
pubescent, the branches erect-ascending, very leafy 
and copiously flowered. Leaves linear, entire, firm, 
sessile, or the lower short-petioled, blunt or subacute 
at the apex, narrowed at the base, more or less \W 
hispid-ciliate but otherwise mostly glabrous, 3’-1’ fe WW 
long, about 1” wide, the lower much shorter and Sf he 
smaller; clusters axillary, numerous, crowded, sev- WER 
eral-flowered; pedicels pubescent, shorter than the ee 
calyx; bracts subulate, very hispid, about equalling . tA. 
the calyx; calyx oblong, gibbous, hispid, its teeth 
all subulate, nearly equal in length, upwardly curved’ 
in fruit, about one-half as long as the tube, the 2 
lower ones somewhat narrower and more hispid 
than the upper; corolla about 3” long, bluish-purple; 
sterile stamens rudimentary or none. 
i 
Z ih 
We 
On dry plains, Ontario and New York to Saskatche- 
wan, Illinois, Louisiana, Arkansas and Colorado. May-'Aug. 
6'-18' high, the branches ascending. Leaves oblong or 
linear-oblong, entire, short-petioled or sessile, obtuse at 
the apex, narrowed at the base, spreading, 5-10" long, 
1-23” wide, the lowest shorter; clusters axillary, 
loosely few-flowered; pedicels puberulent, about one- 
half as long as the calyx and equalling or longer than 
the subulate bracts; calyx oblong, hirsute, slightly 
gibbous, its teeth all subulate, upwardly curved and 
connivent in fruit, the 2 lower nearly twice as long 
as the 3 upper; corolla purple, 4-6” long; sterile 
stamens rudimentary or none. 
3 In dry soil, South Dakota to Nebraska, Kansas and 
3 Texas. Included, in our first edition, in H,. Drummondit 
Benth. of the Southwest. April—Aug. 
3. Hedeoma longifléra Rydb. Long-flowered 
WV 
i Pennyroyal. Fig. 3649. 
aires EE WZ Hedeoma longiflora Rydb. Bull. Torr. Club 36: 685. 1909. 
QW ea * Perennial from a woody base, with an ashy down 
WM oI Rn 
Be. \ a Jen V4 nearly all over; stems much branched, slender, erect, 
hy YES 
YW 
SSH 
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