1920] Fernald & Wiegand,— Cerastiums of Section Orthodon 173 
faces; the median 0.7-2.4 cm. long, 1.5-7 mm. broad: bracts ovate 
to oblong-lanceolate, acutish; margins not scarious: inflorescence 
simple or dichotomous, 1-14-flowered; pedicels usually slender, 
mostly ascending, rarely nodding at the tip, in maturity 0.5-3 cm. 
long: sepals in anthesis 3.5-7, in fruit 4.2-8 mm. long, broadly lance- 
olate to oblong-ovate, obtuse, the inner conspicuously scarious- 
margined: petals bluntly 2-lobed, 6-8(-9) mm. long, ascending, 
only slightly exceeding the calyx: capsule 8.5-12 mm. long: fruiting 
calyx campanulate, 4-6.5 mm. broad at summit: seed 0.6-1 mm. in 
diameter, bluntly papillose, not angled.—Linnaea, i. 62 (1826). C. 
vulgatum, 8. Beeringianum (Cham. & Schlecht.) Fenzl, in Ledeb. Fl. 
Ross. i. 409 (1841). C. alpinum, «. Beeringianum (Cham. & Schlecht.) 
Regel, Plant. Radd. i. 434 (1862). C. Buffumae A. Nelson, Bull. 
Torr. Bot. Cl. xxvi. 239 (1899). C. variabile Goodding, Bot. Gaz. 
xxxvii. 54 (1904). C. pilosum Greene ex Rydb. Fl. Col. 129 (1906), 
not Ledeb.—Calcareous rocks, western Newfoundland and Straits of 
Belle Isle to Rimouski Co., Quebec; Keewatin; Alaska to Arizona; 
also northwestern Asia. The more easterly stations are as follows. 
NEWFOUNDLAND: dry, rocky limestone barrens, near sea-level, In- 
gornachoix Bay, August 4, 1910, Fernald & Wiegand, no. 3391; 
damp calcareous rocks and talus, entrance to Port Saunders Harbor, 
August 1, 1910, Fernald & Wiegand, no. 339114. QUEBEC: rocky crest, 
Ile Herbée (Grassy Island), Archipel du Vieux-Fort, Saguenay Co., 
July 24, 1915, St. John, no. 91,817; turfy ledges, Ile Triple, Archipel 
Washicoutai, Saguenay Co., July 7, 1915. St. John, no. 90,819; rocky 
limestone headland, Pointe aux Eskimaux, Seigniory de Mingan, 
Saguenay Co., June 28, 1915, St. John, no. 90,818; crests of cliffs, 
Cap Blanc, Percé, Gaspé Co., August 17, 1904, Collins, Fernald & 
Pease; limestone detritus, Cap Blanc, Percé, July 26, 1905, Williams, 
Collins & Fernald; red limestone detritus, Les Murailles, Percé, 
August 17, 1904, Collins, Fernald & Pease; along the cliffs below 
Ste. Anne des Monts, Gaspé Co., August 12, 1882, John Macoun; 
mossy sea-cliffs, Tourelle, Gaspé Co., August 21, 1905, Collins & 
Fernald, no. 73; calcareous ledges and cliffs at various stations, Bic, 
Rimouski Co., Collins & Fernald et al.; crevices and talus of lime- 
stone-conglomerate sea-cliffs, altitude 200-275 m., east of St. Fabien, 
Rimouski Co., July 16, 1907, Fernald & Collins, no. 1032. 
Var. capillare, n. var., caulibus capillaribus, pedicellis filiformi- 
bus plerumque 1.5-5.5 cm. longis; foliis lineari-oblongis; calycibus 
maturis 3-4 mm. diametro; capsulis 5-7 mm. longis breviter exsertis. 
Stems capillary: pedicels filiform, mostly 1.5-5.5 em. long: leaves 
linear-oblong: mature calyces 3-4 mm. in diameter at summit: cap- 
sule 5-7 mm. long, very slightly exserted—ALBERTA: broken rocks, 
head of Lake Louise, July 22, 1904, J. Macoun, herb. Geol. Surv. 
Can. no. 64,720 (type in Gray Herb.); Lake Louise, July 14, 1906, 
Stewardson Brown, no. 715. 
