470 



ENUMEEATION OF GENERA AND SPECIES. 



Order VERBENACE^, p. 332, 458. 



1 . Phryma 1 



2. Priva 1 



3. Stachytarpheta . . 1 



4. Bouchea .... 3 



5. Verbena . . , (2) 18 



6. Lippia 7 



7. Lautana .... 4 



8. Citharexylum . . 2 



9. Duranta . 



10. CiiUicarpa 



11. AvicenDia 



Genera, 11. Indigenous species, 38 ; Naturalized, 2 = 40. 



Order LABIATJE, p. 341, 459. 



Order PLANTAGINACE^, p. 388. 



1. Plantago ... (1) 16 2. Littorella . . . 



Genera, 2. Indigenous species, 16 ; Naturalized, 1 = 17. 



Genera of the Gamopetalae of the North American Flora 567 



Represented by indigenous species 525 



Represented only by introduced species 42 



Species 3521 



Indigenous 3359 



Introduced, mainly from the Old World 162 



