84 CARYOPHYLLACEZ. ARENARIA. 
§ 1 Ma@urinesa Fenzl. in Endl. Gen. 968. Seeds at least 
when young provided with a spongy appendage at the hilum. 
A. lateriflora L. Sp, 423. Minutely pubescent: stems erect, slender, 
4-12 inches high, simple or branched: leaves oblong of oval obtuse, 5-6 
lines long, punctate, hairy on the margin and midrib: peduncles lateral 
and terminal, 2-flowered, one of the pedicels bibracteolate near the mid- 
dle: sepals oblong-ovate obtuse, 144 lines long: petals oblong, obtuse, 
twice longer than the sepals. In damp shady places, western Oregon to 
the Atlantic Coast. ’ 
A. macrophylla Hook. Fl. i, 102 t. 37. Stems ascending 3-8 inches 
high, mostly simple, leafy,puberulent above : leaves 3-4 pairs, narrowly lan- 
ceolate, acute at each end, 1-2 inches long, thin, bright green, the upper lar- 
gest: flowers few on slender pedicels; sepals ovate-oblong, acuminate, 144- 
2% lines long, 1-nerved: petals obovate, longer or shorter than the sepals: 
capsule ovoid, nearly equalling the calyx: seeds rather large, smooth. 
Open forests, Brit. Columbia to California, east to the Rocky Mountains. 
§ 2 AmmapENrA B. & H. Gen. i, 151. Flowers axillary. Sepals 
united at base; styles 8-5: ovary more or less 3-5 celled, disk 
conspicuous 10-lobed and glanduliferous: capsule globose, some- 
what baccate. Seeds not appendaged. 
A. peploides L. Sp. 428. Glabrous perennial: stems 6-8 inches high, 
stout, angled: leaves thick, ovate or obovate 1-nerved, shortly pointed, 
clasping at the broad base: sepals ovate-lanceolate, acuminate, 3% lines 
long, about equalling the petals. Sandy seashore from the Columbia river 
northwards and on the northern Atlantic Coast, (northern Europe and 
Asia). 
A. Sitchensis Dietr. Syn. Pl. ii, 1565. A peploides var. major. Hook. 
l. c. 102. Glabrous and succulent: 6-12 inches high from thick creeping 
rootstocks: leaves oblong to short-spatulate, obtuse or acute, short-apicu- 
late, fleshy, with narrow, scarious, crenulate margins: flowers axillary, on 
short penduncles: lobes of the calyx lanceolate-ovate, acute, about a line 
long: petals oblong, narrowed below to a short claw about half as long as 
the ~— of the calyx, sometimes wanting. Salt marshes, coast of Oregon 
to Alaska. 
§ 3 Merckra B. & H. Gen. i, 151. Styles 3-5. Ovary 3-5- 
celled: capsule large, depressed-globose, somewhat inflated: 
many-seeded, seeds not appendaged. 
A. physodes Fisch. in DC. Prod. i, 413. Cespitose perennial: stems 
weak, decumbent, 3-6 inches long: leaves ovate, cuspidately pointed 4-6 
lines long: flowers solitary at the summit of the stem or becoming lateral: 
sepals lance-oblong, acute, 3 lines long equalling or slightly exceeding the 
petals: capsule 4 lines in diameter. Brit. Columbia to northern Alaska, 
perhaps northern Washington. 
§ 4 EvarenariA Robinson 1. c. 219. Styles normally 3, capsule 
ovoid, dehiscent by 38 2-toothed or parted valves: seeds not 
appendaged. . 
* Leaves ovate elliptic or linear, not acerose. 
A. seRpPyLuiroiia L. Sp. 423. Diffuse, 3-10 inches high, retrorsely pu- 
bescent: leaves ovate, acute, minutely ciliate: sepals lanceolate, acumi- 
nate hairy 3-5 nervyed, nearly twice the length of the petals: capsule 
ovate, as long as the sepals. ‘Fields and roadsides, western Oregon and 
Washington, also in the Atlantic States. 
Var. TENUIOR Koch. Synop. 117. More delicate, leaves reduced : flowers 
