PLATE XLV. 



1. PHLOX PANICULATA, 



PANICLED LYCHNIDEA. 



This genus comprises plants of the herbaceous, tibrous-rooted, 

 flowery, perennial kind. 



It belongs to the class and order Pentandria Monogynia, and ranks 

 in the natural order of Rotacea. 



The characters are: that the calyx is a one-leafed penanthium, 

 cylindrical, ten-cornered, five-toothed, acute, permanent: the co- 

 rolla one-petalled, salver-shaped : tube cylindrical, longer than the 

 calyx, narrower below, curved in: border flat, five-parted: seg- 

 ments equal, blunt, shorter than the tube: the stamina have five 

 filaments, within the tube of the corolla, two longer, one shorter: 

 anthers in the throat of the corolla: the pistillum is a conical germ: 

 style filiform, the length of the stamens: stigma trifid, acute: the 

 pericarpiuni is an ovate capsule, three-cornered, three-celled, three- 

 valved: the seeds solitary, ovate. 



The species are: 1. P. paniculata, Panicled Lychnidea; 2. P. 

 suaveolens, White-flowered Lychnidea; 3. P. maculata. Spotted- 

 stalked Lycljnidea; 4. P. pilosa, Hairy-leaved Lychnidea; 5. P. 

 Carolina, Carolina Lychniclea; 6. P. glaberrima, Smooth Lychnidea; 

 7. P. divaricata. Early-flowering Lychnidea. 



The first has the stalk smooth, of a light green, about two feet 

 hio-h. sendino- out a few side branches: the leaves are near three 

 inches long, and one broad in the middle, of a dark green, and 

 sessile: the flowers in a terminating corymb, composed of many 

 smaller bunches, which have each a distinct footstalk, and support 

 a o-reat number of flowers, which stand on short slender pedicels: 



