20 CARYOPHYLLACEAE. 
4. Dianthus barbatus L. Sweet William. 
Bunch Pink. (Fig. 1471.) 
Dianthus barbatus I. Sp. Pl. 409. 1753. 
Perennial, tufted, glabrous, stems erect, 1°-2° high, 
branching above. Leaves lanceolate or ovate-lanceolate, 
14’-3/ long, 4/’-9’’ wide, acute; bracts linear-filiform, 
about equalling the long-toothed calyx; flowers pink 
or whitish, in large terminal clusters. 
In waste places, escaping from gardens, occasional in the East- 
ern and Middle States. Introduced from Europe. Summer. 
to. ALSINE L. Sp. Pl. 274. 1753. 
[STELLARIA L. Sp. Pl. 421. 1753.) 
Tufted annual generally diffuse herbs, with cymose white flowers. Sepals 5, rarely 4. 
Petals of the same number, 2-cleft, 2-parted, or emarginate, white in our species, rarely none. 
Stamens 10 or fewer, hypogynous. Ovary 1-celled, several or many-ovuled; styles com- 
monly 3, rarely 4-5, usually opposite the sepals. Capsule globose, ovoid or oblong, dehis- 
cent by twice as many valves as there are styles. Seeds smooth or roughened, globose or 
compressed. [Greek, grove, the habitat of some species. ] 
Species about 75, widely distributed, most abundant in temperate or cold climates. 
Styles 5; leaves ovate, 1'-2' long. 1. A. aquatica. 
Styles 3, rarely 4. 
Leaves broad, ovate, ovate-oblong or oblong. 
Plants glabrous, or with a few scattered hairs. 
Flowers few, terminal; leaves ovate, 2''-3'’ long. 
Cymes lateral; leaves oblong, 5'’-10"' long. 
Stems with 1 or 2 pubescent lines; petioles often ciliate. 
Petals shorter than the calyx; lower leaves petioled. 
Petals longer than the calyx; lower leaves rarely petioled. 
Leaves narrow, linear, oblong, oblanceolate or spatulate. 
A. humifusa. 
A. uliginosa. 
. media. 
A, pubera. 
SSD) 
ns 
Flowers 7'/-10'' broad. 6. A. Holostea. 
Flowers only 2'’-6'' broad. 
Bracts of the cyme small, scarious. 
Pedicels widely spreading; cyme diffuse. 
Leaves linear, acute at each end; seeds smooth. 7. A. longifolia. 
Leaves lanceolate, broadest below; seeds rough. 8. A. graminea. 
Pedicels erect; flowers few or solitary. g. A. longipes. 
Bracts of the cyme foliaceous, resembling the upper leaves. 
Capsule 1's-2 times as long as the calyx; leaves lanceolate or oblong-lanceolate. 
Seeds rough; petals equalling or longer than the calyx. 10. A. crassifolia. 
Seeds smooth; petals much shorter than the calyx ornone. 11. A. borealis. 
Capsule not longer than the calyx; leaves linear or linear-spatulate; petals none. 
12. A. fontinalis. 
1. Alsine aquatica (L,.) Britton. Water Mouse-ear Chickweed. (Fig. 1472.) 
vi 
Cerastium aquaticum J,. Sp. Pl. 439. 1753: 
Stellaria aquatica Scop. Fl. Carn, Ed. 2, 1: 319. 1772. 
Alsine aquatica Britton, Mem. Torr. Club, 5: 356. 1894. 
Perennial, stem angled, mostly glandular-pubescent 
above, nearly glabrous below, ascending or decum- 
bent, branched, 1°-2%° long. Leaves ovate or ovate- 
lanceolate, acute at the apex, the upper sessile and 
subcordate, the lower petioled, rounded at the base, 1/— 
2/ long; flowers about %’ broad, solitary in the forks 
of the stem and in terminal cymes; pedicels slender, 
glandular, deflexed and much longer than the calyx in 
fruit; calyx campanulate; sepals ovate, acute, about 
one-half as long as the 2-cleft petals; stamens 10; styles 
5, alternate with the sepals; capsule ovoid-oblong, 
slightly longer than the calyx; seeds rough. 
_ In wet and waste places, Ontario to Pennsylvania. Also 
in British Columbia. Adventive from Europe. May-—Aug. 
5 
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