iliecebraceae 
cy 
i=) 
RR. Stem and pedicels glabrous. 
V. Leaves 2—4 mm. long, somewhat fleshy, lanceolate; sepals acute. 
W. A. californica Brew. 
VV. Leaves longer, not fleshy, subulate-setaceous; sepals acuminate. 
W A. stricta Michx. (Rock Sandwort) 
HH. Petals none, or exceeded by the sepals. 
W.  Flower-clusters dense; sepals 8 —12 mm. long, Il-veined. E. 
A. franklinij Doug]. 
WW. Flower-clusters not dense; sepals 2—5 mm. long. 
X. Annual; leaves 2—4 mm. long: petals none or minute. E. 
A. pusilla, Wats. 
XX. Perennial; leaves 4—8 mm. long; petals present, not minute. 
Y. Leaves flat, 3-veined: sepals ovate-oblong, 3—3.5 mm. long, ex- 
ceeded by the capsule. W.C. (A. verna propinqua; A. verna 
hirta; A. verna rubella; A. aequicaulis. ) 
A. propingua Rich. 
YY. Leaves subulate, |-veined; sepals lanceolate, 4—5 mm. long, 
exceeding the capsule.- FE. 
A. nuttallii Pax. 
SPERGULA SPURRY 
Annual, branched. Leaves apparently subulate and in dense whorls; stipules 
present. Flowers white, in terminal cymes. Sepals 5. Petals entire. Stamens 5 or 10. 
Styles 5, alternate with the sepals. Valves of the capsule 5, opposite the sepals. Seed 
compressed, acute-margined or winged. (L. spargare—to scatter; the seed is widely 
sown with grains.) W.E.  §, arvensis L: (Ccrn Spurry) 
\ 
TISSA (Spergularia) SAND-SPURRY 
Annual or perennial. Leaves fleshy in most, linear or setaceous, often clustered in 
the axils; stipules scarious. Flowers small, whitish or pink, in terminal bracted or leafy 
cymes or racemes. Sepals 5. Petals none or entire. Stamens 2—10. Ovary 1|-celled, 
styles 3. Pod 3-valved at base. Seeds many, reniform-globose or compressed, smooth, 
winged or tuberculate. (A Latin name of unknown meaning. ) 
A. Plants of saline soils; leaves very fleshy. 
B. Perennial; roots large; leaves 1.6——5 cm. long; mature capsules 4-5 mm. in 
diameter. W. T. macrotheca Brit. (Large Sand-spurry) 
BB. Annual; roois fibrous; leaves 0.42.5 cm. long; mature capsules less than 4 
mm. in diameter. W. (T. sparsiflora; T. salina for our region. ) 
; T. maring Brit. (Salt-marsh Sand-spurry) 
AA. Plants not of saline soils; leaves not fleshy. 
C. Stipules ovate-lanceolate, 4-6 mm. long; stamens usually 5. W. E. (Tere 
} bra perennans. ) T. rubra Brit. (Pink Sand-spurry) 
CC. Stipules deltoid, shorter; stamens mostly 2-3. E. 
T. diandra, Brit. 
ILLECEBRACEAE Knotwort Family 
Herbs, perennial, low, densely tufted. In ours leaves mostly opposite, mostly en- 
tire, subulate, densely crowded; stipules scarious (ours). Flowers sessile, in axillary 
clusters. "Calyx 45 (ours)-toothed or -parted (ours), herbaceous or coriaceous, per- 
sistent. Petals none or minute (ours) and scale-like. Stamens 3—5 (ours 5), on the 

