: “verticillate plant, used. in 
warm to 
No, 379.—MENTHA VIRIDIS. oie U. 
Synonym—Mentha sativa. Dub. ‘a. 
Cabinet specimen, Jeff. Coll, Nos. 454 a 45. 
‘ the plant, No. 456. 
“orrsctwat. Herba. Spear-mint—the herb ; 
yields the following : 
Orric. Prev. Aqua Monin siti, Ie D. 
comp. D. Ol, Menthe virid, L. 
o, 380-—-Mentaa PIPERITA. . E. D. & 
Mentha piperitis. D. ee 
OrricinaL. dies, bce beri ioe 
. U. Be 
“The genus is didynamous and ate 
of the other species will yield an essential oil. ‘h 
are important ad, juvants to practice in | 
on oils. the pe babies will 
