Se ee xalapensis (Kunt ) Pennell. Erect slender — > 
W annuals, tufted, 15-30 cm. tall, occas onally with one or two erect branches 
from near the base, glandular-pubescent; leavos linear-oblong, only the low- 
est opposite, with short petioles, those subtending flowers alternate, sessile, 
all glabrous, 1-2 cm. long, entire; fiemers—te racemes S15 cm. long, bracts 
subfoliar, reduced, sparingly glandular, longer than the flowers; sepals 
oblong-spatulate or oblong-lanceolate, about 4 mm. long, unequal; corolla 
white, 1.5 mm. long; capsule obcordate, 3 mm. in diameter, glandular, style 
minute, e2 mn. long; seeds 1 mm. long, oval, flattened. 
In low muddy places along streams and on open slopes. and fields. 
NX Bia 
4. Ve arvensis L. Low inconspicuous anmals with usually 
erect stems 5-15 cm. tall, slender, glandular-pubescent; basal leaves 
opposite, ovate, 4-7 mn. long, narrowed to a short petiole, the stem leaves 
alternate, oblong, 5-8 mn. long, entire or remotely and sparingly toothed, 
sessile, all glandular-pubescent; flowers axillary, on pedicels 1.5-2.5 mM e 
long; sepals 3-5 mm. long, unequal, the inner pair usually samewhat shorter, 
oblong-elliptical, obtuse; corolla 4 mm. broad, blue, veined with dee r blue; 
capsules obcordate, 4 mm. broad, the slender style subequal to the lobes, 
e6=.7 mm. long. 
Ww Frecuent in grassy meadows and along roadsides at lower elevations. 
Naturalized from surope,being introduced into Virginia prior to 1739, 
Se Ve emericana)Schwein. Stems prostrate or ascending at the tip, 
ua rooting at the lower nodes, 10-40 om. long, the upper portions glaucous; 
castes leaves about equal to the internodes, blades lanceolate to oval, 1-6 om. 
long, the lower on petioles 3-4 mm. long, the upper Sessile, or nearly so, 
all opposite, obtuse, the margins subentire or more commonly serrulate; 
flowers in axillary racemes 2-10 cm. long, the bracts linear-elliptical, 
2-10 mms long, pedicels filiform, recurved in flower, 5-15 mm. long; sepals 
ovate-lanceolate, 2-2.5 mm. long, spreading; corolla pale-blue, striate, 
the upper and lateral petals twice as wide as the lowermost, the uppermost 
largest; style decurved along the lower petal; capsule subrotund,not stron 
flattened, 3-4 mm. wide, very shallowly notched, the style subequal in length; 
seeds »7 mm. long. 
Frequent in boggy meadows or in muddy places along streams and lakes | 
2500-5000 feet. 
