85] 



Perovskia, Karel. Labiatae. 



P. atriplicifolia, Bvnth. Himalaya. 



Persicarm, Tourn. See Polygonum. 



Petalostemon, Micluc. Leguminosae. 

 " Prairie Clover." 



P. candidus, Michx. North America. Michx. Fl. 

 Bor. Am. ii. t. 37. 



P. violaceus, Mich.r. North-western America. Bot. 

 Mag. t. 1707. 



Petasites, L. Compositae. 



" Butter Burr." 

 africana, Hern. See Gunnera perpensa. 



P. albus, Gaertn. Europe, &c. Eng. Bot. ed. 3, 



t. 782. 



P. alpimis, Baumg. See Homogyne alpina. 

 P. discolor, Bauing. See Homogyne discolor. 



P. fragrans, Preal. Mediterranean region. Eng. Bot. 

 ed. 3, t. 781. 



' 4 Winter Heliotrope." 



P. niveus, Baumg. Europe. Reichb. Ic. Fl. Germ, 

 xvi. t. 898. 



P. officinalis, Moench. Europe. Eng. Bot. ed. 3, 

 tt, 783-4. 



" Common Butter Burr." 



P. spurius, Reichb. f. Europe. Ic. Fl. Germ. xvi. 



t. 897. 



P. tomentosm. DC. See spurius. 

 P. vulgar is, Desf. See officinalis. 



