35 l] FLORA OF COLUMBIA AND VICINITY 2O9 



Europe and Asia: South America: Labrador to Alaska; 

 Georgia to California. 



843. V. arvensis L. Corn speedwell. 

 Common in fields and waste places. 

 Europe and Asia, thence to North America. 



844. V. peregrina L. Purslane speedwell. 

 Very common in waste places and fields. 

 South America, now almost cosmopolitan. 



845. V. Americana Schwein. Brooklime. 

 Rare along streams. 



Anticosti to Alaska; Pennsylvania to New Mexico and 

 California. 



361. SEYMERIA Pursh [AFZEL/A Gmel.: 

 BRACHYGYNE Small]. Mullein foxglove. 



846. S. macrophylla Nutt. \A. macrophylla (HmH.) Kuntze: 

 B. macrophylla (Nutt.) Small]. 



Rich thickets along streams; common. 

 Ohio to Nebraska; Kentucky to Texas. 



362. GERARDIA L. IDASYSTOMA Raf.]. False 

 foxglove. 



847. G.asperula (Gray) Small [G.tenuifoliaaspcrulaGrsLy']. 

 Sterile hills and red clay barrens. 



Michigan to Minnesota; Indiana to Missouri and Arkan- 

 sas. 



84S. G. Besseyana Britton [C teniiifolia macrophylla 

 Benth.]. Purple false foxglove. 

 Dry thickets and barren hilltops; common. 

 Iowa and South Dakota to Colorado; Ohio to Louisiana. 



849. G. grandiflora Benth. [D. grandiflora (Benth.) Wood]. 

 Western false foxglove. 

 Common in dry thickets and woodlands. 

 Wisconsin to Minnesota; Tennessee to Texas. 



