117 



ginia." Based upon Clayton n. 39 in the Gronovian 

 Herbarium. The Linnean characterization certainly de- 

 notes the plant here considered. 

 Penstemon hirsutus (L.) Willd., Sp. PI. 3: 227. 1800. 

 Flowering from late May to early July, fruiting from July on. 

 Dry fields, usually sandy, in potassic soil, occasional or local 

 through the area above the Fall-line. Ranges from southern 

 Vermont and southern Ontario to upland Virginia, Kentucky and 

 southern Michigan.* 



3. Cheloxe L., Sp. PI. 611. 1753 

 Type species, C. glabra L. 

 t^^i, Cheloxe glabra L., Sp. PI. 611. 1753. "Habitat in Vir- 

 ginia, Canada." Based upon a plant grown in the Clif- 

 ford garden in Holland. 

 Chlonanthes tomentosa Raf., Xew Fl. Am. 2: 20. 1837. "In 

 the mts. of Virginia." Leaves tomentose or pubescent 

 beneath; a condition of more frequent occurrence south- 

 ward, specimens noted from Monmouth, Burlington and 

 Camden counties. New Jersey, and frequently through 

 southeastern Penns34vania. Here treated as a form, 

 tomentosa (Raf.) Pennell, forma nova. 

 Flowering from early August to early October, fruiting from 

 mid-September on. 



Moist loam to sandy woodland, in potassic soil, frequent to 

 common throughout above the Fall-line; frequent or occasional 

 through the Coastal Plain, outside of the Pine Barrens. The 

 leaves tend to be narrower in the Coastal Plain. Ranges from 

 Newfoundland to Manitoba, northern Florida and Kansas. 



4. ScROPHULARiA L., Sp. PI. 619. 1753- 

 Type species, S. nodosa L., " Habitat in Europae succulentes." 



Petioles stouter, evidently wing-margined. Leaves cuneate 

 to truncate at base, coarsely serrate to dentate. Inflores- 

 cence narrowly elongate, 4-8 cm. wide, its branches rela- 



* Paulownia tomentosa (Thunb.) Baill. 



A tree with lavender flowers, is an occasional escape from cultivation to road- 

 sides, railroad-banks and thickets. Adventive from eastern Asia. 



