250 PROCEEDINGS OF THE ACADEMY OF [Dec., 
Inflorescence a panicle of racemes, the pedicels 3-12 to an 
axil. Capsule oblong or oblong-ovoid, 4-5 mm. long. 
Leaves white and densely stellate-tomentose beneath. 
3. V. lychnitis. 
Leaf-blades entire or but obscurely crenate, densely pubescent 
above, those of the stem decurrent. Pedicels one to an axil. 
Sepals equaling the capsule. Inflorescence densely crowded. 
4. V. thapsus. 
1. Verbascum blattaria L. 
Old fields and roadsides, throughout area north of central Florida. 
Naturalized from Eurasia. 
2. Verbascum virgatum With. 
Berkeley Co., South Carolina. Naturalized from Eurasia. 
3. Verbascum lychnitis L. 
Old fields and roadsides, occasional in North Carolina. Natural- 
ized from Eurasia. 
4. Verbascum thapsus L. 
Old fields, roadsides and thickets, throughout area north of central 
Florida, usually common. Naturalized from Eurasia. 
18. PENSTEMON [Mitchell] Schmidel. 
Penstemon Schmidel, Icon. Pl. 2. 1762. 
Type species, Chelone pentstemon L. 
Leaf-blades dimorphic, those of the prostrate wintering stems entire 
or few-toothed, those of the erect flowering stems bipinnatifid 
with linear segments. Corolla pink-purple, its throat strongly 
inflated and but obscurely ridged anteriorly. Anther-sacs 
shallowly saccate. Sterile filament conspicuously exserted. 
P. dissectus. 
Leaf-blades uniform, entire or merely toothed. Corolla reddish- 
purple to white, its throat moderately to slightly inflated, 
sable ridged anteriorly. Sterile filament included or slightly 
‘anthiarcance dehiscent by short proximal slits, the distal portion 
of each remaining pouch-like. Leaf-blades entire or essen- 
tially so. Branches of the inflorescence elongate. Corolla 
white, unlined, nearly glabrous within the throat. 
2. P. multiflorus. 
Anther-saes dehiscent their entire length, so never pouch-like. 
Leaf-blades more or less serrate. Branches of the inflorescence 
less elongate. Corolla lanose within, nearly always with 
peor or ees conspicuous lines of deeper color within on the 
Po a wit throat san inflated, its mouth open, 
closed by the anterior lip. Sterile filament slightly ee 
moderately densely enided, Plants taller. 
