360 NORTH AMERICAN FLORA [VoLumE 7 
III. Telia not seen; teliospores common in the uredinia (amphisori), oblong or lanceolate, 
13-19 by 35-64 », rounded or often narrowed both above and below, slightly or not constricted 
at septum, sometimes twice septate; wall pale-yellow or colorless, rather thin, 1-1.5 4, thicker 
at apex, 2-4 4, smooth; pedicel colorless, about one third length of spore or less. 
On CYPERACEAE: 
Carex exsiccata L,. H. Bailey, Oregon. 
Carex Frankii Kunth, Virginia, West Virginia. 
Carex lurida Wahl., Pennsylvania, Virginia. 
Carex scabrata Schw., Pennsylvania, Wisconsin. 
Carex Sprengelii Dewey (C. longirostris Torr.), Pennsylvania. 
Carex Tuckermani Dewey, Wisconsin. 
Carex sp., Louisiana, 
TYPE LOCALITY: Bonn, Germany, on Carex vesicaria. 
DISTRIBUTION: Known from isolated localities in the mountains of Pennsylvania, West Virginia, 
and Virginia, the northern part of Wisconsin, and on the coast of Louisiana and Oregon; also in 
northern Europe. 
Exsiccattr: Barth. N. Am. Ured. 2256. 
132. Dicaeoma minutissimum (Arth.) H. S. Jackson, Proc. Ind. 
Acad. Sci. 1915: 454. 1916. 
Aecidium Nesaeae W. Gerard, Bull. Torrey Club 4:47. 1873. Not Dicaeoma Nesaeae Kuntze, 1898. 
Puccinia minutissima Arth, Bull. Torrey Club 34: 587. 1907. 
O. Pyenia chiefly epiphyllous, gregarious on discolored spots, usually in small groups 
0.5—2 mm. across, not very conspicuous, honey-yellow becoming dark reddish-brown, globoid 
or flask-shaped, 95-115 » in diameter by 125-150 » high; ostiolar filaments 40-50 » high. 
I. Aecia chiefly hypophyllous or caulicolous, densely gregarious, on leaf-blades in roundish 
groups 2-5 mm. across, on stems or veins often causing hypertrophy and distortion of con- 
siderable extent, cupulate, 0.1-0.3 mm. in diameter; peridium delicate, the margin recurved 
and somewhat lacerate; peridial cells rhomboid, 29-45 » long, the outer wall rather thick, 
6-9 wu, transversely striate, the inner wall thinner, 3-7 u, verrucose; aeciospores globoid or 
broadly ellipsoid, 16-24 by 19-26 u; wall colorless, 1-2 » thick, inconspicuously verrucose. 
On LYTHRACEAE: 
Decodon verticillatus (L.) Ell. (Neseea verticillata H.B.K.), Delaware, Indiana, Massachu- 
setts, Michigan, New Jersey, New York, Ohio, Wisconsin; Ontario, 
II. Uredinia hypophyllous, scattered, round or nearly so, 0.2—0.3 mm. across, early naked, 
chestnut-brown, pulverulent, ruptured epidermis conspicuous; urediniospores globoid or 
broadly ellipsoid, small, 13-18 by 16-23 y; wall golden-brown, 1~1.5 » thick, finely echinulate, 
the pores 2, slightly superequatorial. 
III. Telia hypophyllous, numerous, scattered, roundish or oblong, 0.2-0.3 mm. wide, 
0.2-7 mm. long, early naked, pulvinate, blackish-brown, ruptured epidermis conspicuous; 
teliospores oblong-clavate, 15-22 by 39-64 yu, slightly constricted at septum, rounded or obtuse 
above, narrowed below; wall dark chestnut-brown, concolorous, smooth, 1—1.5 » thick, much 
thickened above, 9-13 »; pedicel about one half length of spore, firm, slightly tinted or nearly 
colorless. 
On CYPERACEAE: . none 
Carex lasiocarpa Ehrh. (C. filiformis Gooden. not J,.), Indiana, Michigan, New York; 
Ontario, 
Carex substricta (Kiikenth.) Mackenzie, Ontario. 
TYPE LOCALITY: Lansing, Michigan, on Carex filiformis. 
DIsTRIBUTION: Massachusetts to Ontario, and Wisconsin, and southward to Delaware and 
Indiana. 
Exsiccati: Barth. Fungi Columb. 4063, 4102; Barth. N. Am. Ured. 801, 951, 1001; Ellis & Ev. 
Fungi Columb. 258 in part, 1382; Ellis, N. Am. Fungi 1015; Kellerm. Ohio Fungi 91; Sydow, Ured. 
2419, 2549; Thim. Myc. Univ. 837. 
133. Dicaeoma Dracunculi (Thiim.) Arthur & Kern. 
Aecidium Dracunculi Thiim. Bull. Soc. Nat. Mose. 58: 212. 1878. Not Puccinia Dracuncuil 
Auersw.; Klotzsch. Herb. Viv. Myc. 1488. 1850. 
Puccinia universalis Arth. Jour. Myc. 14:21. 1908. 
O. Pycnia chiefly epiphyllous, numerous, in orbicular groups, punctiform, honey-yellow, 
rather inconspicuous, slightly depressed-globoid, 100-1604 in diameter by 90-112'p high; 
ostiolar filaments 40-80 » long. 
