June, 1913.] 
Caryophyllaceae of Ohio. 
179 
3. Alsine pubera (Mx.) Britt. Great Chickweed. Perennial; 
stems and branches with two lines of hairs; 3 to 12>J inches high; 
leaves oblong or ovate-oblong, their margins ciliate, the upper 
generally sessile, the lower sometimes narrowed into broad petioles; 
flowers in terminal cymes with lanceolate sepals and 2-cleft petals. 
Medina, Preble, Clermont, Fairfield, Pike, Lawrence, Gallia, 
Vinton. 
4. Alsine longifolia (Muhl.) Britt. Long-leaf Stitchwort. 
Glabrous, ascending; stem rough angled; leaves linear, spreading, 
acute; flowers numerous, arranged in terminal or lateral cymes. 
General in northern Ohio; also in Highland, Jackson and Gallia 
Counties. 
5. Alsine graminea (L.) Britt. Lesser Stitchwort. Weak, 
glabrous, ascending from creeping rootstocks; 6 to 12 inches high; 
stem 4-angled; leaves lanceolate, sessile; flowers arranged ‘in 
loosely spreading cymes; bracts lanceolate sometimes scarious 
or ciliate; sepals equalling the 2-cleft petals. Cuyahoga, Auglaize, 
Belmont. 
Cerastium L. 
Pubescent or hirsute herbs. Flowers white, arranged in 
terminal cymes; petals 5, rarely 4, emarginate or bifid, (rarely 
wanting); sepals 4 or 5; stamens 10, rarely fewer; styles 4 or 5 
or fewer, arranged opposite the sepals. 
1. Leaves linear or lanceolate, 8 to 10 times as long as broad; petals longer 
than the sepals. 2. 
1. Leaves ovate-lanceolate, about 4 times as long as wide, petals 3, equal¬ 
ling or shorter than the sepals. C. vulgatum. 
2. Stem erect; pubescent, densely tufted; perennial; styles 5. C. arvense. 
2. Stem weak, reclining or ascending, clammy-pubescent to glabrate, 
annual. C. longipedunculatum. 
1. Cerastium vulgatum L. Common Mouse-ear Chickweed. 
Biennial or perennial, viscid-pubescent, 7 to 14 inches high. Lower 
and basal leaves spatulate-oblong; upper leaves oblong, Jd to 
inch long; flowers loosely arranged on long pedicels. General. 
2. Cerastium longipedunculatum Muhl. Nodding Chick- 
weed. Annual, reclining or ascending, 6 to 16 inches high; 
clammy-pubescent to glabrate. Lower leaves spatulate, obtuse, 
petioled, 1 to lpf inches long; flowers loosely arranged, pedicels 
very long in fruit; petals when present about twice as long as the 
sepals. General in southern Ohio, also in Ottawa and Cuya¬ 
hoga Counties. 
3. Cerastium arvense L. Field Chickweed. Perennial, downy 
or nearly smooth, 6 to 12 inches high. Basal leaves and those on 
the sterile shoots linear-oblong; stem leaves distant, linear or 
narrowly lanceolate; petals obcordate, longer than the lanceolate 
acute sepals. Sandusky, Ottawa, Trumbull, Miami, Monroe. 
4. Cerastium arvense oblongifolium (Torrj Holl. and Britt. 
Pubescent; leaves oblong or lanceolate; capsule about twice the 
length of the calyx. Erie, Monroe. 
