358 NORTH AMERICAN FLORA [VoLumME 7 
DistR1BuTion: Nova Scotia to New Jersey, and westward to northern New Mexico, Oregon, 
and the southern coastal region of Alaska; also in Europe. 
In,usrRarions: Krypt.-fl. Brand. Pilze 3: f. B107; Rostr. Plantep. Haandb. f. 90. 
Exsiccati: Barth. Fungi Columb. 2350, 2447, 2555, 2556, 3060, 3757, 3758, 3843, 3928, 3940, 
4147, 4148, 4264, 4461, 4664, 4962; Barth, N. Am. Ured. 222, 447, 637, 638, 844, 845, 944, 945, 1025, 
1047, 1048, 1049, 1079, 1152, 1244, 1245, 1345, 1346, 1446, 1547, 1652, 1846, 1941, 1942, 2039, 2040. 
2147, 2148, 2149; Brenckle, Fungi Dak. 243, 301, 365; Clements, Crypt. Form. Colo. 596; Ellis, N. 
Am. Fungi 1006; Ellis & Ev. Fungi Columb. 357, 1904, 1968, 2101; Garrett, Fungi Utah. 2/4; D. 
Griff. W. Am. Fungi 3606; Kellerm. Ohio Fungi 82, 121, 149, 172; Kellerm. & Sw. Kansas Fungi 
27; Seym. & Earle, Econ. Fungi 57, 207, 435. 
129. Dicaeoma Urticae (Schum.) Kuntze, Rev. Gen. 33: 467. 1898. 
Aecidium Urticee Schum. Enum. Pl. Saell. 2: 222. 1803. 
?Uredo Caricis Schum. Enum. Pl. Saell. 2: 231. 1803. 
Caeoma Urticae Schlecht. Fl. Berol. 2: 112. 1824. 
Caeoma urticatum Link, in Willd. Sp. Pl. 62:62. 1825. 
Puccinia Caricis Schroet. Krypt. Fl. Schles. 3!: 327. 1887. Not P. Caricis Rebent. 1804. 
Puccinia Urticae Lagerh. Mitt. Bad. Bot. Ver. 2:72. 1889. Not P. Urticae Barclay, 1888. 
Dicaeoma Caricis Kuntze, Rev. Gen. 33: 468. 1898. 
Puccinia Garrettit Arth. Bull. Torrey Club 32:41. 1905. 
Uredo fatiscens Arth. Bull. Torrey Club 42: 593. 1915. 
Puccinia urticata Kern, Mycologia 9: 214. 1917. 
O. Pycnia chiefly epiphyllous, few, gregarious, in small groups, on discolored, somewhat 
hypertrophied areas, punctiform, noticeable, honey-yellow becoming brownish, globoid, large, 
160-190 » in diameter by 144-175 » high; ostiolar filaments 50-90 » long. 
I. Aecia chiefly hypophyllous, in orbicular groups 1.5-4 mm. across, on hypertrophied 
spots, or in larger irregular groups on veins, petioles, and stems, crowded, rather short, 0.3-0.4 
‘mm. in diameter, orange-yellow; peridium colorless, spreading and somewhat recurved, lacer- 
vate; peridial cells rectangular in longitudinal section, slightly longer than broad, 21-24 by 
26-32 y, slightly overlapping, the outer wall rather thick, 5-7 », smooth, the inner wall some- 
-what thinner, 3-5 u, striate and moderately verrucose; aeciospores globoid, 15-19 by 18-23 p; 
wvall pale yellow, thin, 1 4, finely verrucose. 
On URTICACEAE: 
Urtica cardiophylia Rydb., Montana. 
Urtica gracilis Ait., Colorado, Illinois, Indiana, Iowa, Kansas, Massachusetts, Michigan, 
Montana, Nebraska, New York, North Dakota, Ohio, Pennsylvania, South Dakota, 
Wisconsin, Wyoming; Ontario. 
Urtica holosericea Nutt., Utah. 
Urtica Lyaliii S. Wats., Alaska, Oregon; British Columbia. 
II. Uredinia chiefly hypophyllous, scattered, oblong, 0.3-0.8 mm. long, early naked, 
pulverulent, cinnamon-brown, ruptured epidermis noticeable; urediniospores broadly ellip- 
soid, very rarely somewhat fusiform and even rostrate, rather large, 18-25 by 24-35 yu; wall 
golden-brown, 1,5-2 » thick, rarely considerably thicker, rather sparsely echinulate, the pores 
3, rarely 4, equatorial. 
Ill. Telia chiefly hypophyllous, scattered, oblong or linear-oblong, 0.2-0.3 mm. wide by 
0.5—1 mm. long, soon naked, pulvinate, dark chocolate- or blackish-brown, ruptured epidermis 
conspicuous; teliospores mostly clavate, 15-23 by 39-71 u, usually rounded above, the upper 
cell much broader and shorter than the lower cell, narrowed below into the pedicel; wall light 
chestnut-brown, paler below, about 1.5 » thick, much thicker above, 7-12 n, smooth; pedicel 
firm, tinted, usually darker than the lower portion of the spore, one half length of spore or less. 
A more robust species than the preceding one, but similar to it in all its characters except in its 
aecial hosts. 
on Cares omplifal Boott, Washingt 
Carex amplifolia Boott, Washington. . 
Carex aoe Wall. (C. variabilis L. H. Bailey), Colorado, Idaho, Montana, Utah. 
Carex atherodes Spreng. (C. aristaia R. Br.), Colorado, Iowa, Montana, Nebraska, North 
Dakota, South Dakota. . ne . 
Carex Baileyi Britton (C. lurida gracilis L. H. Bailey), Michigan, Pennsylvania. 
Carex comosa Boott, Michigan. 
Carex crinita Lam., Connecticut, New York. 
Carex diandra Schrank (C. teretiuscula Gooden.), Nebraska. . 
Carex Emoryi Dewey, Indiana, Iowa, Kansas, Nebraska, North Dakota, Ohio. 
Carex exilis oe Ne : 
iccata L,. H. Bailey, Idaho. . er 
aoe ees Willd. (C. riparia Muhl. not Curtis), Indiana, Iowa, Michigan, Nebraska, 
New York, Ohio, Wisconsin. 
