1905] Fernald,— North American Species of Eriophorum 89 
731-reprint 3 (1823); Torr., Ann. Lyc. Nat. Hist. N. Y. iii. 341 
(1836); Hook., l. c. 232. Æ. angustifolium, var. vulgare, Koch, Syn. 
ed. 2, 860 (1844). Æ. polystachyon, var. angustifolium, Gray, Man. 
529 (1848). Æ. angustifolium, var. genuinum, Engl. Bot. ed. Syme, x. 
73, t. 1605 (1873). — Arctic America, south to Newfoundland, Nova 
Scotia, New Brunswick, Quebec, Lake Superior, and British Colum- 
bia. Europe and Asia. Fruiting, southern Canada, June, July; 
arctic regions, July and August. 
Var. ELATIUS, Bab. Stout and tall (3-9 dm.) : cauline leaves 4-8 
mm. broad.— Man. 333 (1843). Æ. polystachion, Engl. Bot. viii. t. 
563 (1799); Host, Gram. i. 29, t. 37 (1801); Coult., Man. 368 
(1885). Æ. angustifolium, B. majus, Schultz, Fl. Starg. Suppl. 5 
(1819). £. angustifolium, var. elatius, Mert. & Koch, Deutchl. Fl. 
1. 456 (1823); Koch, Syn. ed. 2, 860 (1844). Engl. Bot. ed. Syme, 
X. 73 (1873). Æ. ocreatum, A. Nelson. Bull. Torr. Cl. xxix. 400 
(1902). Æ. polystachyon, var. majus, Aschers. & Graebn., Syn. ii. 
ab. 2, 334 (1903). — Subarctic America, south to central Maine, 
Ontario, Illinois, Wisconsin, Iowa, and the mountains of Colorado 
and Oregon. Europe and Asia. 
Var. ELEGANS, Bab. Slender, 0.5-2.5 dm. high: spikelets 1 to 3, 
sessile or subsessile: longest bract of the dark involucre o.5—1.5 cm. 
long. — Man. 333 (1843). Æ. gracile, Sm., Engl. Bot. xxxiv. t. 2402 
(1812) and Engl. Fl. i. 69 (1824), not Koch. Æ. angustifolium, var. 
alpinum, Gaud., Fl. Helvet. i. 131 (1828). Æ. angustifolium, var. 
minus, Koch, Syn. 746 (1837); Engl. Bot. ed. Syme, x. 73, t. 1606 
(1873). Æ. pseudo-triquetrum, Schur, Eu. 695 (1866). Æ. minus, 
Dalla-Torre, Atl. Alpenfl. 216 (1882). Æ. polystachion, var. minus, 
Richter, Pl. Eu. i. 136 (1890). Æ. polystachyon, var. alpinum, As- 
chers. & Graebn., Syn. ii. ab. 2, 334 (1903). — An extreme dwarf 
form of arctic and high-alpine regions. GRINNELL Lanp (4. W. 
Greely): LABRADOR, Cape Chudleigh (2. Bell): ALASKA, St. Mich- 
aels (Z. M. Turner). Arctic and alpine Europe. 
++ ++ Midrib of the scale prominent, extending to the tip: leaves flat, 
except at the very tip; the sheaths and bracts not dark-girdled. 
E. viridi-carinatum, n. comb.  Culms slender, trigonous, 
smooth, 2-9 dm. high: basal leaves numerous, elongate; cauline 
few, remote, green throughout, thin, scabrous on the margins, the 
uppermost 5-15 cm. long, 2-6 mm. wide: involucral bracts 2 
