514 NORTH AMERICAN FLORA [VoLUME 7 
ellipsoid, 16-20 by 18-24 u; wall pale-yellow, thin, 1-1.5 u, finely and closely echinulate, the 
pores indistinct, 6-8, scattered. 
III. Telia amphigenous, scattered, oblong, 0.5-1.5 mm. in length, long covered by the epi- 
dermis, blackish-brown, without stroma or with a very slight one surrounding the sori; telio- 
spores clavate-oblong or cylindric, 13-19 by 30-67 u, with 3~10 digitate projections in coronate 
arrangement above, narrowed below, not or slightly constricted at septum; wall chestnut- 
brown above, paler below, 1-1.5 u thick, much thickened above, 7-15 « including projections; 
pedicel very short, tinted. 
This species is composed of several races brought to light by cultures (of. Kleb. Wirtsw. 
Rostp. 254, 257, 290. 1904; Treboux, Ann. Myc. 12: 483. 1914), but inseparable on a mor- 
phological basis. 
On PoackEaeE: 
Achyrodes aureum (L.) Kuntze (Lamarckia aurea Moench), California. 
Agropyron repens (1,.) Beauv., Vermont. 
Agropyron Smithit Rydb. (A. occidentale Scribn.), Saskatchewan. 
Agrostis alba I. (A. vulgaris With.), Oregon. 
Agrostis diegoensts Vasey, Oregon. 
Agrostis exarata Trin. (A. microphylla Steud.), Oregon, Washington; British Columbia. 
Agrostis longiligula Hitchc., Oregon. 
Agrostis maritima Lam., Oregon. 
Agrostis Thurberiana Hitchc., British Columbia. 
Alopecurus aristulatus Michx., Indiana. 
Avena barbata Brot., California. 
Avena faina L., California, Iowa; Michoacan. 
Avena sativa L,., Alabama, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, 
Florida, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, 
Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, 
New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, 
Pennsylvania, South Dakota, Tennessee, Texas, Virginia, West Virginia, Wisconsin; 
Nova Scotia, Ontario; Cuba. 
Beckmannia erucaeformis (L.) Host, Colorado, Iowa, South Dakota. 
Bromus pendulinus Sessé (B. laciniatus Beal), Mexico (state). 
Bromus Porteri (Coult.) Nash, Colorado. 
Bromus Pumpellianus Scribn., Colorado. 
Bromus Richardsonii Link, Colorado. 
Calamogrostis canadensis (Michx.) Beauv., Colorado, Idaho, Indiana, Iowa, Michigan, 
“ Minnesota, Nebraska, New York, Oregon, Washington, Wisconsin; Manitoba, Nova 
Scotia, Saskatchewan. 
Calamagrostis hyperborea Lange (C. robusta Vasey), North Dakota, Oregon. 
Calamagrostis koelerioides Vasey, California. 
Calamagrostis purpurascens R. Br., Colorado. 
Calamagrostis rubescens Buckl., Alberta. 
Cinna arundinacea L,., Indiana, Iowa, Maryland, Wisconsin. 
Cinna latifolia (Trev.) Griseb., Montana. 
Deschampsia caespitosa (1,.) Beauv. (Aira caespitosa L,.), Wyoming. 
Elymus innovatus Beal (£. Brownti Scribn.), South Dakota; Alberta. 
Festuca elatior L., Connecticut, Kansas, Maine, Massachusetts, Nebraska, New York, 
Oregon, Vermont, Virginia. 
Festuca subulata Trin., Oregon. 
Lolium multiforum Lam., California, Oregon, Washington. 
Lolium perenne L., Arizona, California, Oregon, South Carolina; Mexico (state). 
Melica purpurascens (Torr.) Hitche. (M. striata Hitche., Avena striata Michx.), Wisconsin. 
Notholcus lanatus (L.) Nash (Holcus lanatus 1,.), California, Mississippi, New York, North 
Carolina, Oregon, Pennsylvania, Virginia, Washington, West Virginia; British Columbia, 
Panicularia elata Nash (P. nervata elata Piper, Glyceria elata Hitchc.), Oregon. 
Panicularia pauciflora (Presl) Kuntze (Glyceria pauciflora Presl), Oregon, Washington; 
western Canada. 
Poa compressa I,., Kansas, Missouri. 
Polypogon monspeliensis (L,.) Desf. (Alopecurus monspeliensis L.), California. 
Scolochloa festucacea (Willd.) Link, North Dakota; Manitoba. 
Torresia odorata (L.) Hitche. (Savastana odordia Scribn.), New York. 
Trisetum cernuum (Kunth) Trin. (T. nutkaense Scribn. & Merr.), Washington. 
Type Locality: Europe, on Rhamnus sp. . 
DISTRIBUTION: Widely distributed in North America, from Nova Scotia and British Columbia 
to southern Mexico, and sparingly in the West Indies; also in Europe, Asia, Australia, and north- 
ern Africa. 
ILLustRaAtTIONS: Beitr. Krypt. Schweiz 2?:f. 271; McAlpine, Rusts Austr. pl. 2, f. 11, 14; Grove, 
British Rust Fungi f. 195; Bull. Lab. Nat. Hist. Univ. Iowa 4: pl. 11, f. 3la-e; Krypt.-fl. Brand. 
Pilze 3: f. B193, 194; Corda, Ic. Fung. 1: pl, 2, f, 96; Rostr., Plantep. Haandb. f. 88, 89. 
Exsiccati: Arth. & Holway, Ured. Exs. Ic. 3la-e; Barth. N. Am. Ured. 167, 431, 551, 566, 
660, 764, 863, 864, 865, 1073, 1169, 1365, 1468, 1601, 1774, 1801, 1864, 1901, 1964, 1965, 2001, 
2056, 2101, 2160, 2161, 2162, 2262; Barth. Fungi Columb. 3177, 3367, 3464, 3664, 3670, 3749, 3965, 
3966, 3968, 3969, 3971, 4161, 4466, 4602, 4671, 4763, 4862, 4863, 4972, 4973, 5069; Brenckle, Fungi 
Dak. 126, 340, 340a, 414;, Clements, Crypt. Form. Colo. 591; Ellis, N. Am. Fungi 269; Ellis & Ev. 
