504 PROCEEDINGS OF THE ACADEMY OF [PaRT III 



Leaf-blades petioled or the upper nearly sessile, those of the 

 lower stem-leaves ovate, crenate -serrate. Corolla deep vio- 

 let-blue. Capsule yellowish-brown, pubescent with slightly 

 gland-tipped hairs, notched nearly or about one third length, 

 the longer style reaching about to the capsule-lobes. Plant 

 pubescent w4th white glandless or obscurely gland-tipped 

 hairs. 2. V. arvensis. 



Pedicels longer than the ovate sepals. Capsule relatively turgid. 

 Seeds few, 1.3-1.5 mm. long, roughened. Leaf -blades ovate, 

 dentate. Corolla violet-blue. 

 Petals not exceeding the ovate sepals. Capsule 4 mm. wide, 

 its lobes rounded in profile, the most distal point of each 

 about midw^ay between the style and the lateral margin. 

 Style shorter than the capsule. 3. V. -polita. 

 Petals much exceeding the narrowly ovate sepals. Capsule 

 5-6 mm. wide, its lobes acutish in profile, the most distal 

 point of each near the lateral margin. Style as long as the 

 capsule. 4. V. persica. 



Main stem not terminating in an inflorescence, the flowers in axil- 



ary racemes. Leaves opposite throughout, their blades linear. 



Perennial. 5. V. scutellata. 



1. Veronica peregrina L. 



Veronica peregrina L., Sp. PI. 14. 175.3. "Habitat inEuropaehortis, arvis- 

 que." Description distinctive of this American plant, which had become 

 naturalized in Europe. 



Corolla uniformly dull-white. Flowering from March to May, 

 and soon ripening fruit. 



Moist soil, river-banks, gardens and cultivated flelds, common 

 eastward but passing into and over most of our range represented 

 by the following variety. Wide-spread through eastern North 

 America. 



Arkansas. Jefferson: Jefferson Springs, Pennell 10669a (Y). 

 Pope: Russell ville, Pennell 10635 (U, Y). 



Louisiana. Acadia: Crowley, Pennell 10197 (L, Y). Jefferson: 

 Gretna, Ball 322 (Y). Rapides: Alexandria, Hale (L). 



la. Veronica peregrina xalapensis (H. B. K.) Pennell. 



Veronica xalapensis H. B. K., Nov. Gen. et Sp. 2: 389. 1818. "Crescit in 

 Regno Mexicano prope Xalapa (alt. 630 hex.), in nemoribus Liquidambaris 

 Styracifluae [Humboldt & Bonpland]". 

 Veronica peregrina xalapensis (H. B. K.) Pennell, inTorreya 19: 167. 1919. 



Varies in degree and length of pubescence, so evidently of only 

 varietal status. 



Sandy to clayey soil, ditches, stream-banks and fields, common 

 through most of central and western Arkansas and Texas, eastward 



