450 NORTH AMERICAN FLORA [VoLuME 7 
On FaBaceEas: 
Aragallus albiflorus A. Nelson, Colorado. 
Astragalus sp., Alaska, Oregon. 
Atelophragma Macounii Rydb. (Astragalus Macounii Rydb.), Alberta. 
Homalobus flexuosus (Dougl.) Rydb. (Astragalus flecuosus Dougl.), Colorado. 
Tium alpinum (L.) Rydb. (Astragalus alpinus L.), Colorado, Idaho. 
TYPE LOCALITY: Fichtel Mountains, Germany, on Astragalus alpinus. 
re DistRiBuTION: Rocky Mountains from Colorado northward to Alaska; also in Europe and 
sia. 
ILLUSTRATIONS: Beitr. Krypt. Schweiz 22: f. 18. 
19. Pucciniola Hedysari-obscuri (DC.) Arthur. 
Puccinia Hedysari-obscuri DC.; Syn. Pl. Gall. 46. 1806. 
Uredo Hedysari-obscuri DC.; Poir. in Lam. Encyc. 8: 222. 1808. 
Aecidium Leguminosarum Unger, Einfl. Bodens 221, hyponym. 1836. 
Uromyces Hedysari-obscurt Carest. & Picc. Erb. Critt. Ital. I[. 447. 1871. 
Uvomyces Hedysari Fuckel, Jahrb. Nass. Ver. Nat. 29-30: 15. 1875. 
Uromyces borealis Peck, Bot. Gaz. 6: 276. 1881. 
Uromyces Hazslinszkiit De-Toni, in Sacc. Syll. Fung. 7: 565. 1888. 
Caeomurus Hazslinszkit Kuntze, Rev. Gen. 33: 450. 1898. 
Caeomurus Hedysari Kuntze, Rev. Gen. 33: 450. 1898. 
Uromyces astragalicola P. Henn. Hedwigia 37: 268. 1898. 
Uromycopsis astragalicola Arth. Résult. Sci. Congr. Bot. Vienne 345. 1906. 
Uromycopsis Hedysari-obscuri Arth. Résult. Sci. Congr. Bot. Vienne 345. 1906. 
O. Pycnia mostly epiphyllous, few, gregarious in small groups, inconspicuous, brownish» 
globoid, 90-144 by 90-160 y; ostiolar filaments short, 48-64 u. 
I. Primary aecia amphigenous or petiolicolous, crowded in groups 0.2-1 cm. across; 
secondary aecia amphigenous, scattered or in small groups 0.8-1.5 mm. across, cupulate or 
short-cylindric, 0.1-0.5 mm. in diameter; peridium yellowish, the margin erose; peridial cells 
short-rectangular or rhombic in radial section, 13-19 by 15-32 yw, abutted or overlapping, the 
outer wall 7-9 » thick, transversely striate, the inner wall 3-6 u thick, closely and finely verru- 
cose; aeciospores angularly globoid or ellipsoid, 13-19 by 15-19 4; wall colorless, thin, 1 y, 
closely and finely verrucose. 
III. Telia mostly epiphyllous, scattered or circinating about the secondary aecia, round or 
oval, 0.1-0.8 mm. across, early naked, pulverulent, dark chocolate-brown, ruptured epidermis 
noticeable; teliospores globoid, ellipsoid, or oblong, 14-18 by 19-29 u, rounded above and be- 
low; wall chestnut-brown, 1.5—2.5 « thick, covered at apex with a lighter-colored umbo, 3-7 u 
thick, very finely and closely verrucose; pedicel colorless, short, fragile. 
On FaBACEAE: 
Hedysarum americanum (Michx.) Britton (H. philoscia A. Nelson), Idaho, Montana, 
Wyoming; Alberta. 
Hedysarum cinerascens Rydb., Montana, North Dakota, Utah, Wyoming; Alberta. 
Hedysarum Mackenzii Richards., Alberta. 
Hedysarum marginatum Greene (H. uintahense A. Nelson), Colorado, Wyoming. 
Hedysarum pabulare A. Nelson, Colorado, New Mexico, Utah. : 
Hedysarum sulphurescens Rydb. (H. flavescens Coult. & Fisher), Montana; Alberta. 
Hedysarum utahense Rydb., Utah. 
TyPE LOCALITY: France, on Hedysarum obscurum. 
DISTRIBUTION: Rocky Mountain region from Alberta to northern New Mexico; also in Europe 
and Asia. 
ILLUSTRATION: Beitr. Krypt. Schweiz 22: f. 21. 
Exsiccati: Barth. Fungi Columb. 4891, 4892; Barth. N. Am. Ured. 1191, 1491, 1985, 1986; 
Brenckle, Fungi Dak. 425; Clements, Crypt. Form. Colo. 535; Ellis & Ev. Fungi Columb. 1695; 
Garrett, Fungi Utah. 197; D. Griff. W. Am. Fungi 363; Sydow, Ured. 1552. 
20. Pucciniola porosa (Peck) Arthur. 
Aecidium porosum Peck, Bot. Gaz. 3:34. 1878. 
Uromyces coloradensis Ellis & Ev. Erythea 1: 204. 1893. 
Uromyces albus Dietel & Holway; Dietel, Hedwigia 36: 297. 1897. 
Caeomurus coloradensis Kuntze, Rev. Gen. 33: 450. 1898. 
Uromyces valesiacus Ed. Fisch. Bull. Herb. Boiss. II. 2: 953. 1902. 
Uromycopsis porosa Arth, Résult. Sci. Congr. Bot. Vienne 345. 1906. 
Uromyces porosus H.S. Jackson, Brooklyn Bot. Gard. Mem. 1: 281. 1918. 
O. Pycnia hypophyllous, numerous, scattered among the aecia or preceding them, small, 
punctiform, half immersed, honey-yellow or darker, globoid, 115-125 » in diameter; ostiolar 
filaments aggultinated into a column about 60 u long. 
J. Aecia hypophyllous, evenly scattered over large areas from a distributed mycelium, 
