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3. MONARDA DIDYMA. 



SCARLET MONAKDA. 



This genus contains j)lanls of the ribrous-K)oted herbaceoi 

 flowery biennial and perennial kinds. 



It belongs to the class and order Diandria Mo/iogijnia, and ranks 

 in the natural order of Verticillata. 



The characters are: that the calyx is a one-leafed tubular peri- 

 anthiuni, cylindric, striated, with a five-toothed equal mouth, per- 

 manent: the corolla unequal: tube cylindiic, longer than the calyx: 

 border ringent: upper lip straight, narrow, linear, entire; lower lip 

 retlex, broader, trifid ; middle segment longer, narrower, emarginate; 

 lateral blunf: the stamina have two bristle-shaped filaments, the 

 lenglh of the upper lip, in which they are iinolved: anthers com- 

 pressed, truncate at to]), convex below, creel: ihc pistillum is a 

 four-cleft germ-: style filiform, involved with the stamens: stigma 

 liifid, acute: there is no pericarpium: calyx conlaining the seeds at 

 the bottom: (he seeds four, roundish. 



The species cultivated arc: 1. M. Jlsiu/osa, Purple Monarda ; 

 2. M. oblongata. Long-leafed Monarda ; '3. M. didyma. Scarlet Mo- 

 narda, or Oswego 7'ea; 4. M. rugom, White Monarda; 5. M. punctata. 

 Spotted Monarda. 



The first has a perennial root, conqjosed of many strong fibres, 

 and spreading far on every side: the stems, near three feet high, are 

 hairy and obtuse-angled; they send out two or tour small side 

 branches towards the top: the leaves oblong, broad at the base, but 

 terminating in acute i)oints. hairy, a little indented on their edges, 

 on short hairy foot-stalks: the stem and branches terminatiu" bv 

 heads of purple flowers, which have a long involucre, conq^osed of 



