228 WEEDS AND USEFUL PLANTS. 
Orper XLVIII. VEBBENA’CEA. (Vervain Famtty.) 
Herbs (shrubs, and even trees within the tropics), having opposite leaves without stipules, 
and atubular corolla with the —- 4—5-lobed, more or — 2 ee as and didynamous 
mens. Ovary free, entire, 2-4-celled. F rucit dry (or sometim: Sodrpapeanis 
4 
splitting into 2- 4 indehiscent 1 -seeded nui utle ets. Seeds with | li ttle or no acho ‘ 
‘interesting to the florist. “The tree which furnishes _the “ey er- during Teak’? er ie 
(Tectona grandis, L.) 
5 is VERBENA, LT. Vervain. 
[The Latin name for the leaves of any sacred herb ; etymology obscure.] 
tubular, 5-toothed,—one of the teeth often shorter. Corolla tub- 
ular, somewhat salver-form, with the limb rather unequally 5-lobed. 
Stamens included, the upper pair ee without anthers. - 
celled, with 1 ovule in eac 1 oe ener into 2-4 nutlets. 
Flowers mostly in spikes 
Len SB urticefo'lia, L. Leaves ovate ad poche acute, serrate, pe- 
- ind Pc filiform. » terminal an axillary, somewhat paniculate ; 
NETTLE-LEAVED VERBENA. Common Vervain. 
Roet perennial. Stem erect, 2-3 or 4 feet high, hice 4 quadrangular, hirsutely pu- 
bescent, with, “mide axillary spreading branches aboy 2-4 inches long, ab- 
ruptly narrowed at base to a ae petiole. Spikes lor 2- i" or 6 inches Pair green, very 
slender, Flowers di sile inu 
at base. Corolla white,—the throat closed by a delicate white villus. Fruit separating 
into 4 nucules, which are oblong ai se triquetrous, with the outer side convex. 
eeaer’ road-sides s, &c.: throughout the United States. Fl. July-August. Fr. 
Obs. This is not a very pernicious or ish —— beg Boh — it is 
altogether worthless, and often so abundant in pas 
oda to attract the notice ot the observing farmer, T eam it might 
be admitted into the present work. 
r. ee lis, anothy introduced meee with Mocalition or Bele 
of jeuimiaive pide i Sola hybrid spon taneously. 
and varieties of V. ausLe’t1a, V. CHAMzDRIFO’LIA, and then peers 
now among the most common and deservedly popular ornaments of the 
wer garden. The varieties are almost innumerable and are yearly in- 
ereased by the florists. 
Orver XLIX. LABIA’T A. (Mint Famty.) 
ee herbs with q or sometimes yerticillate leaves withou' 
and Jiowers in allary oppoeite eymules or greg ia terminal spikes bi 
4, didynamous, or or sometimes 25; am- 
ther- ; parallel, or a ofa cvarieat emt sy Separated ree a long filiform 
Ovary deeply 4-1bed, es Biren Ali like nadlets, surrounding the base of 
pe ) sty in the bottom of the rng each lobe iutlet, 
feat with little or no a v4 eac ri ni eens ee 
