138 BOTANICAL GAZETTE 
broadly obovate, a little more than 7™™ long, 5™™ broad, 
ing to a short yellow claw: filaments flat, slightly sury 
sepals, abruptly dilated at the very base and thicken 
ovoid, obtuse, 2-5™™ long, a little longer than the sty 3 
Type range: “in littore Sibirico maris glacialis.” 
52. ARENARIA LATERIFLORA L. Sp. Pl. 423. 175 
slender, weak, 4™ high: leaves elliptic-oblong to oval, 
long, finely ciliate on the margin, papillose-roughened om 
surface: flowers on slender peduncles, surpassing the 
sepals suborbicular, 1™™ long, one-nerved, with white mem 
ous margins: petals white, twice as long as the sepal 
globular. De 
Type range: “in Siberia.’’ Only one specimen obtained, 
one-flowered. 
53. ARENARIA MACROCARPA Pursh. FI. Am. Sept. i et 
Cham. & Schl. Linnaea 1:54. 1826; Hook. Fl. Bi 
34 A.—Stems matted-cespitose, densely clothed with 
leaves, all except the terminal tuft dry and bleach 
linear, obtuse, denticulate, falcate, 6™™ long: 
2-3 high, glandular, slender, with one or two | 
one-flowered with the peduncle half as long as t 
leaves shorter and broader than the basal leaves, 
ing, glandular: sepals obscurely 3-nerved, 
membranously purple- or white-margined, incurv 
scarcely cucullate: petals white, oval-obovate, 0 
long, 5" broad: stamens with flat filaments wide 
to the base where they become fleshy and suddenl 
passing the sepals: ovary ovoid, obtuse, 6™ - oe 
the edges of the valves. 
Type range: “on the northwest coast of America = 
capsule is not present on any of the specimens. 
_ 54. ARENARIA PHysopes Fisch. DC. Prod. 
Merckia physodes Fisch. Linnaea 1:59. 1826.—5! 
ing from weak decumbent basal stems, rooting at 
somewhat clothed with persistent dead leaves, § 
i oe of pane 7 — and ribbes 
