PARTICULAR STRUCTURE OF THE FLOWERS. 87 



merits, usually placed within them, a little exceeding them in 

 length, and slightly curved towards the summit. The stigma 

 for the most part ernarginate. 



Pericarpium — Either wanting (see the first order), or, if pre- 

 sent, usually bilocular (see the second order). 



Seeds — If no pericarpium, four seeds, lodged within the 

 hollow of the calyx, as in a capsule ; but if there be a pericar- 

 pium, more numerous, and fastened to a receptacle placed in the 

 middle of the pericarpium. 



The flowers of this class are for the most part almost upright, 

 but inclining a little at an acute angle from the stem, that the 

 corolla may more easily cover the anthers, and that the pollen 

 may fall on the stigma, and not be injured with the rain. The 

 essential character is in the four stamina ; of which the two near- 

 est are shorter, and all four close to each other, and transmitted 

 with the single style of the pistillum, through a corolla that is 

 unequal. 



The orders of this class are two, comprehending one hundred 

 and twenty-five genera, viz. 



Order 1. Gymnospermia*, includes such plants as have naked 

 seeds. This order has these farther characters, viz. the seeds 

 four (excepting Phryma, which is monospermous) ; and the stig- 

 ma bipartite, and acute, with the lower lacinia reflexed. It con- 

 tains tlx irty -nine genera, distinguished into, ]. Such as have the 

 calyx quinquefid, and nearly equal, of which there are twenty-three 

 genera, viz. Ajuga (bugle)... Teucrium (germander) ... Sat u re i a 

 (savory) ... Hyssopus (hyssop)... Nepeta (cat mint)... Lavandula 

 (lavender)... Betonic a (betony) . . .Siwritis (tronwort)... Mentha 

 (mint)... Glechom a (ground ivy) . . .Perilla . . . Lami um (archangel) 



* The plants of this order are scented, and are accounted cephalic and resolvent. 

 The virtue is in the leaves. They are the labiati (lipped plants) of Toiirnefort, and 

 verticillati (plants that flower at the joints, in whirls of Ray's Hist. Plant. 508. 



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