GENUS 6. POTATO FAMILY, 165 
Solanum villésum (L.) Mill., with coarsely den- 
tate leaves, the pubescence villous and somewhat 
viscid, has been found in ballast about the seaports. 
2. Solanum triflorum Nutt. Cut-leaved 
Nightshade. Fig. 3718. 
Solanum triflorum Nutt. Gen. 1: 128. 1818. 
Annual, sparingly pubescent with simple hairs, 
or glabrous; stem branched, 1°-3° high. Leaves 
pinnatifid or some of them pinnately lobed, acute 
at the apex, petioled, 2’-4’ long, the lobes trian- 
gular-lanceolate, acute or obtuse, entire or dentate, 
the sinuses rounded; peduncles lateral, 1-3-flow- 
ered, 2-1’ long; pedicels 3’’-7” long, reflexed in 
fruit; calyx-segments lanceolate, shorter than the 
corolla, persistent at the base of the berry; co- 
rolla white, 4’-5” broad; anthers obtuse; berries 
green when mature, globose, smooth and glabrous, 
‘about 5” in diameter. 
On prairies and in waste places, Ontario to Mani- 
toba, Kansas, New Mexico and Arizona. Introduced 
in Missouri. May-Oct. 
= 
3. Solanum carolinénse L. Horse-Nettle. Sand-Brier. Fig. 3719. 
Solanum carolinensis L. Sp. Pl. 184. 1753. 
Perennial, green, finely  stellate-pubescent 
with 4-8-rayed hairs; stem erect, branched, 
1°-4° high, the branches, petioles, midveins 
and sometimes the lateral veins of the leaves 
armed with straight subulate yellow prickles. 
Leaves oblong or ovate, repand, lobed, or pin- 
natifid, 2-6’ long, the lobes obtuse or acutish; 
petioles 3-10” long; flowers cymose-racemose, 
appearing terminal, but really lateral, as is 
manifest in fruit; pedicels 3-7” long, re- 
curved in fruit; calyx-lobes lanceolate, acumi- 
nate, about one-half the length of the corolla, 
persistent at the base of the berry; corolla- 
lobes ovate-lanceolate, acute; anthers elon- 
gated; berries orange-yellow, smooth and 
glabrous, 8’-10” in diameter. 
In dry fields and in waste places, southern On- 
tario to Vermont, Massachusetts and Florida, west 
to Illinois, Nebraska and Texas. Adventive in its 
northeastern range. Apple-of-sodom. Radical- 
weed. Bull-nettle. Tread-softly. May-—Sept. 
4. Solanum eiaeagnifolium Cav. Silver- 
leaved Nightshade. Fig. 3720. 
S. elaeagnifolium Cav. Icon. 3: 22. pl. 243. 1794. 
Perennial, densely and finely stellate-pubescent, 
silvery-canescent all over; stem branched, 1°-3° 
high, armed with very slender sharp prickles, or 
these wanting. Leaves lanceolate, oblong, or 
linear, petioled, 1’-4’ long, 3-12” wide, mostly 
obtuse at the apex, narrowed or rounded at the 
base, repand-dentate or entire; flowers cymose, 
8-12” broad, violet or blue; peduncles short and 
stout, appearing terminal, but soon evidently lat- 
eral; calyx-lobes lanceolate or linear-Inceolate, 
acute; anthers linear; ovary white-tomentose; 
berries globose, yellow or darker, smooth and 
glabrous, 4-6” in diameter. 
On dry plains and prairies, Missouri and Kansas 
to Texas and Arizona. Trompillos. May—Sept. 
