Part 4, 1920] AECIDIACEAE 331 
paraphyses numerous, capitate or ‘clavate, peripheral, 11-22 by 35-64 u, the wall thin, about 
uniform, smooth, colorless; urediniospores ellipsoid, 19-26 by 21-32 y; wall yellow or pale 
cinnamon-brown, moderately thin, 1.5-2 4, finely and closely echinulate, the pores 8-10, 
scattered. 
III. Telia chiefly hypophyllous, often confluent or contiguous in long lines, oblong or 
linear, 0.3-1.5 mm. long, dark blackish-gray, long covered by the epidermis, compound, sur- 
rounded by dark hyphal stromata; teliospores irregularly oblong or clavate, 18-34 by 35~ 
64 4, truncate, rounded or angled above, narrowed below, slightly constricted at septum; 
wall cinnamon- or chestnut-brown, rather thick, 1.5-2.5 4, darker and thicker above, 3-7 yw; 
Pedicel tinted, very short, largely deciduous. 
On PoackEaz: 
Agropyron caninum (L.) Beauv., Colorado. 
Agropyron dasystachyum (Hook.) Scribn., Alberta. 
Agropyron pseudorepens Scribn. & Smith, Colorado. 
Agropyron Smithii Rydb. (A. occidentale Scribn.), Colorado, Nebraska, North Dakota, 
South Dakota; Manitoba. 
Agropyron Smithii Palmeri (Scribn. & Smith) A. Heller (A. Palmeri Rydb.), Colorado. 
A gropyron tenerum Vasey, Colorado, Iowa, Kansas, Montana, New Mexico, North Dakota, 
South Dakota, Utah. 
Elymus canadensis L. (E. robustus Scribn. & Smith), Colorado, Indiana, Iowa, Kansas, 
Minnesota, Missouri, Nebraska, New Mexico, North Dakota, South Dakota, Utah, 
Wisconsin; Manitoba. 
Elymus condensatus Presl, Montana, Nebraska. 
Elymus glaucus Buckl. (EZ. americanus Vasey & Scribn.), Colorado, Nebraska, Utah. 
Elymus Macounii Vasey, Colorado. 
Elymus robustus Scribn. & Smith, Iowa. 
Elymus striatus Willd., Iowa, Nebraska, North Dakota. 
Elymus virginicus L., Colorado, Kentucky, Nebraska, South Dakota. 
Hordeum jubatum I,., Colorado, Utah; Alberta. 
Hystrix Hysirix (L,.) Millsp. (H. patula Moench, Asprella Hystrix Willd.), Iowa, 
mart re ag (Nutt.) J. G. Smith, (£. elymoides Raf., S. brevifolius J. G. Smith), 
olorado. 
TYPE LocaLity: Helena, Montana, on Elymus condensatus. 
DistRIBUTION: Wisconsin to British Columbia, and southward to New Mexico and southern 
California, chiefly in the semiarid plains and mountains of the west, and locally in the Catskill 
mountains, New York. 
Exsiccati: Barth. Fungi Columb. 3453, 3930, 4562, 4857; Barth. N. Am. Ured. 22, 327, 328, 
529, 1522, 1858, 2146, 2156; Brenckle, Fungi Dak. 128, 367; Carleton, Ured. Am. 22; Ellis & Ev. 
Fungi Columb. 2070; Ellis & Ev. N. Am. Fungi 2892; Garrett, Fungi Utah. 139; Seym. & Earle, Econ. 
Fungi 396; Sydow, Ured. 2420. 
86. Dicaeoma Asperifolii (Pers.) Kuntze, Rev. Gen. 33: 466. 1898. 
Aecidium Asperifolii Pers. Obs. Myc. 1:97. 1796. . 
Aecidium Lycopsidis Desv. Jour. de Bot. Desv. 2:311. 1809. ; 
Uredo rubigo-vera DC. FI. Fr. 6: 83. 1815. 
Caeoma borragineatum Link, in Willd. Sp. Pi. 6?: 48. 1825. 
Puccinia recondita Roberge; Desmaz. Bull. Soc. Bot. Fr. 4: 798. 1858. 
Puccinia straminis Fuckel, Enum. Fung. 9. 1861. 
Puccinia rubigo-vera Wint. in Rab. Krypt. Fl. 11: 217. 1881. 
Puccinia Asperifolii Wettst. Verh. Zool.-Bot. Ges. Wien 35: 541. 1886. 
Puccinia dispersa Eriksson, Zeits. Pflanzenkr. 4: 257. 1894. 
Aecidium Anchusae Eriksson & Henn. Getreider. 210. 1896, 
Puccinia secalina Grove, Brit. Rust Fungi 261. 1913. 
O. Pycnia epiphyllous, few, globoid in vertical section, 110-160 w in diameter; ostiolar 
filaments 60-105 » high. 
I. Aecia hypophyllous, in crowded circular groups 5-10 mm. across, cupulate, 0.3-0.5 mm. 
in diameter; peridium yellowish, low, the margin irregularly eroded and recurved; peridial cells 
oblong or rhomboidal, 18-26 by 29-35 », overlapping, the outer wall smooth, thick, 7-10 nu, 
transversely striate, the inner wall much thinner, 2-3 », coarsely verrucose; aeciospores globoid 
or ellipsoid, 13-21 by 23-29 u; wall colorless, closely and very finely verrucose, 1.5-2 » thick. 
On BORAGINACEAE: . 
Anchusa officinalis L., Indiana; also in Europe. 
II. Uredinia chiefly epiphyllous, numerous, oblong, 0.5-1 mm. long, early naked, reddish- 
brown becoming cinnamon-brown, pulverulent, ruptured epidermis conspicuous; urediniospores 
globoid or broadly ellipsoid, 18-24 by 21-29 y; wall thin, 1-1.5 u, golden-yellow or pale cin- 
namon-brown, finely and rather closely echinulate, the pores 6, scattered. 
