1921] NATURAL SCIENCES OF PHILADELPHIA. 503 



Handley, Ruth 441 (Y). Travis: Austin, Bray 106 (Y). Victoria: 

 Victoria, Williamson (A). 



2. Linaria linaria (L.) Karst. 

 lAnaria vulgaris Mill. 



Loam or sandy fields, seen only from northern Arkansas. Nat- 

 uralized from Eurasia. 



20. VERONICASTRUM Heister. 

 Veronicastrum Heist.; Fabr., Enuin. Meth. PI. Hort. Helmstad. 111. 1759. 

 Type species, Veronica virginica L.. 



1. Veronicastrum virginicum (L.) Farwell. 



Veronica virginica L., Sp. PI. 9. 1753. "Habitat in Virginia." Grown in 

 the Clifford Garden. Certainly the species here considered. 



Leftandra villosa Raf., Med. Fl. 2: 21. 1830. "Mr. Schweinitz has found 

 it in North Carolina." Name to be used for the forma Veronicastrum 

 virginicum f. villosum (Raf.) Pennell, [in Rhodora 23: 6. 1921] preval- 

 ent in the South and West, which has its leaves downy pubescent beneath. 



Veronicastrum virginicum (L.) Farwell, Drugg. Circ. 61: 231. 1917. 



Corolla white or pinkish; anthers brown. Flowering in August. 



Sandy or loam soil, meadows or thickets, in northern Louisiana 

 and northeastern Texas; doubtless also in Arkansas. Ranges 

 from Connecticut to Minnesota and Kansas, south to Mississippi 

 and Texas. 



Louisiana. Clairborne: , (L). Natchitoches: Natchi- 

 toches, Cocks (L). 



Texas. Bowie: Texarkana, Heller 4198 (A, Y). 



21. VERONICA Linne. 



Veronica L., Sp. PI. 9. 1753. 



Type species, Veronica officinalis L., of Europe. 



Main stem terminating in an inflorescence, the flowers remote and 

 axillary. Leaves, except the lowermost, alternate, their blades 

 oblanceolate to ovate. Annuals. 

 Pedicels shorter than the lanceolate to linear sepals. Capsule 

 strongly flattened. Seeds many, less than 1 mm. long, 

 smooth or nearly so. Plants erect. 

 Leaf-blades, excepting the lowermost, sessile, those of the 

 lower stem-leaves oblanceolate, nearly entire to dentate. 

 Corolla whitish throughout. Capsule greenish-brown, 

 glabrous or minutely pubescent, less deeply notched, 

 the minute style hidden between the capsule-lobes. 

 Plant glabrous. 1. V. peregnna. 



Plant pubescent with short gland -tipped hairs, usually pres- 

 ent even on the capsule. la. V. -peregrina xalapensis. 



