174. 
14, Plant annual, without a rootstock; 
calyx villous; corolla purple (at 
Chesapeake Bay Center) or white; stamens 
4. (Also, leaves purple beneath).......... Perilla 
14, Plant perennial, with large woody rootstock; 
calyx nearly glabrous, minutely glandular; 
corolla pale yellow; stamens 2. (Also, one 
of the 5 corolla lobes much enlarged and 
deeply fringed; stamens and style long- 
EXSEEEEd) pce eeeer ceee come om eens ceeds oo COLMinsonia 
13. Flowers in spikes or clusters, terminal 
or axillary. 
15. Stemens 2. 
16. Flowers axillary, in dense clusters. 
17. Corolla regular, 4-lobed. 
(Also, leaves coarsely dentate, 
acuminate at both ends; strong 
Mint Odor) 0% Tee. eee bee aee Lycopus 
17. Corolla irregular, 2-lipped. 
Expected (Hedeoma, Monarda, and 
Blephilia). 
16. Flowers in an interrupted spike. 
(Also, in species collected, leaves 
basal, lyrate-pinnatifid)............. Salvia 
15. Stamens 4. 
18. Corolla regular, 4-lobed. (Also, 
in species collected, flowers in 
an interrupted spike; strong 
MIME MOA OM) errr ics ectele «ere eteke ereletetetetternt ce) Mentha 
18. Corolla irregular, 2-lipped. 
(Also, flowers axillary). 
Expected (Melissa, Satureja). 
Trichostema 
Trichostema dichotomum L. Bluecurls, 
Bastard Pennyroyal 
Java Farm. Infrequent in old fields, more abundant near young 
Pinus virginiana stands invading these fields. Hectares 3513, 3535. 
Associate species: Solidago juncea, Solidago nemoralis. Higman 378, 462. 
