No. 14.] FLOWERING PLANTS AND FERNS. 435 



Galium Wirtgenii F. Schultz. 



Valerianella Loctista (L.) Betcke. 



Knautia arvensis (L.) T. Coulter. 



Momordica Charantia L. 



Campanula patula L. 



Campanula carpatica Jacq. 



Jasione montana L. 



Grindelia squarrosa (Pursh) Dunal. 



Ambrosia bidendata Michx. 



Lepachys pinnata (Vent.) Torr. & Gray. 



Helianthus debilis Nutt. 



Helianthus debilis Nutt., var. cucumerifolius (Torr. & Gray) 



Gray. 

 Helianthus Maximiliani Schrad. 

 Bidens leucantha Willd. 

 Bidens aristosa (Michx.) Britton. 

 Matricaria inodora L. 

 Matricaria Chamomilla L. 

 Matricaria suaveolens (Pursh) Buchenau. 

 Artemisia campestris L., var. pubescens (Jord. & Fourr.) 



Rouy & Foucaud. 

 Artemisia Dracunculus L. 

 Artemisia annua L. 

 Artemisia frigida Willd. 

 Petasites vulgaris Hill. 

 Carduus acanthoides L. 

 Centaurea nigra L., var. radiata DC. 

 Picris echioides L. 



Total number of fugitive species and varieties listed 169. 



STATISTICAL SUMMARIES. 

 Tabular List of Families. 



Genera. Species. Varieties and 



Families. Named Forms. 



Native. Introd. Native. Introd. Native. Introd. 



ITERIDOPHYTA 



Polypodiaceae 16 ... Z7 ■ ■ ■ 10 



Schizaeaceae i ... i 



Osmundaceae i ... 3 ... 3 



