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502 ALSINACEAE 
6. C. arvense L. Plants 9-40 em. tall, soft-pubescent: blades of the upper 
leaves be lanceolate to linear, 25-30 mm. long: sepals elliptic-lanceolate, 
4-5 mm. long i ng as the sepals: 
kir 8-10 mm. long, less than twice the length of the mature calyx.— 
STARRY-CERASTIUM.)—-Hillsides, dry stony places, and cliffs, various r ovinces, 
in Coastal Plain only N, Ga. to Ind., Alas., Ont., and Lab. — Spr. 
7. C. velutinum Raf. Plants 15—40 em. tall, iU soft-pubescent, or 
becoming glabrous in age: blades of the upper r leav mostly narrowly lanceo 
late to E ie, 2.5—4 em. long, flat: sepals elliptic b. Rm -elliptie, 4.5—5.5 
lo ong 0 use: petals broadly cuneate, pus hiis (o) long as the sepals: or Gale | 
12-14 . long, fully twice as long & ure calyx.—Rocks n stony — 
soil, in provinees, N of Coastal Plain, Tenn. to Ark. (?), Minn. "N. Y. 
; and Md.— m. 
7. TISSA Adans. Annual, biennial, or perennial, diffuse herbs.  Leaf- 
blades narrow. Flowers in raceme-like cymes. Sepals 5, persistent.  Petals 5, 
or fewer, entire, or Hui Stamens 46 
Stigmas slender.— t 20 species, widely 
distributed, but viria pas in saline 
regions. 
1. T. marina (L.) Britton. Plants 10-20 
em. tall: leaf-blades iens 10-30 mm. long: 
sepals ovate to ellipt ic-ovate, 4-6 mm. long: 
petals about as long as the sepals: capsule 
somewhat longer than the sepals. [Spergu- 
INK 
C U. S, 
—The i are pale-pink or whitish. — Another species, T. rubra (L.) J. & C. 
Presl, native of Europe, with broad and short stipules and purplish-red or a 
jah: orollas, has been found in Va. and La. and should be looked for in our 
ange. 
8. SPERGULA L. Annual herbs. Leaves numerous: blades thick, nar- 
ow. Flowers eymose. Sepals 5, persistent. Petals 5, larger than the sepals. 
aon de or rarely 5. Stigmas very short. 
Capsule longer than the calyx.— Three spe- 
eies, natives of the Old World. 
1 arvensis L. Plants diffuse, 8-45 cm. 
tall: leaf-blades linear-filiform, 10-35 mm. 
oe ng: dise elliptic to elliptic- ovate, 3.5-5 
m. lon etals about as long as the o 
eel giobula or glo obose-ovoid, 6—7 
si Cape ii COR SPURRY. )—Pields 
cns and vaste plaees, N. 
a except extre N. Nat e Eu. 
—Sum.—The other ‘Old World species re- 
semble S. arvensis in habit. The pa = to 
be expected in waste-places “and cu ted 
gr rounds. In addition to minor fo lago d ete. they differ from S. arvensis 
n their winged s EE The seeds of the atter species are margined. The 
Shiels of all the sae are white or pinkish. 
