Part 3, 1912] AECIDIACEAB 251 



DISTRIBUTION : Northern Texas, southward into Central America. 



54. Nigredo Fabae (Pers.) Arthur. 



Uredo Fabae Pers. Neues Mag. Eot. 1 : 93. 1794. 



Uredo Vtctae-Fabae Pers. Syn. Fung-. 221. 1801. 



Uredo Vtctae Rebent. Prodr. Fl. Neom. 355 1804 



Caeoma Legummosarum Schlecht. Fl. Berol. 2 ■ 127 1824 



Uromyces appendiculatus Ung. Einfl. Bodens 216. 1836 * 



Uromyces Fabae DeBary, Ann. Sci. Nat. IV. 20 : 80. 1863 



Uromyces Vtctae Fuckel, Symb. Myc. 62. 1869 



Aectdium album G. W. Clinton ; Peck, Ann. Rep. N. Y. State Mus 26 ■ 78 1874 



Uromyces poly morphus Peck & Clintoi ; Peck, Ann Rep NY State Mus 31 43 1879 



Caeomurus Fabae Kuntze, Rev. Gen. 3^: 450 1898 * 



Caeomurus poly morphus 'K.unXz^^ Rev. Gen. 33; 450. 1898. 



0. Pycnia chiefly epiphyllous, in small groups about 0.5 mm. across, few, inconspicuous, 



honey-yellow, globoid, 98-130 m in diameter by 80-115 m high; ostiolar filaments 40-55;. 

 long. 



1. Aecia chiefly hypophyllous, in small crowded groups 1-1.5 mm. across, short, 

 cupulate, 0.1-0.2 mm. in diameter; peridium whitish, somewhat revolute, finely lacerate ; 

 peridial cells rhomboidal, 25-30 ^t long, the outer wall rather thick, 6-9 m. transversely 

 striate, the inner wall thinner, 3-4 m, somewhat striate, moderately verrucose ; aeciospores 

 broadly ellipsoid, 15-21 by 18-26 m; wall colorless, thin, 1-1.5/., finely verrucose. 



II. Uredinia amphigenous, scattered, roundish, 0.3-0.8 mm. across, early naked, pul- 

 verulent, cinnamon-brown, ruptured epidermis evident; urediniospores broadly ellipsoid 

 or obovate-ellipsoid, 17-25 by 22-30 m ; wall light golden-brown, 1.5-2^, evenly and sparsely 

 echinulate, the pores 3 or 4, scattered or often appearing approximately equatorial. 



III. Telia amphigenous, scattered, roundish or elongate, 0.4-1.5 mm. or more across, 

 rather soon naked, firm, pulvinate, blackish-brown, ruptured epidermis evident; teliospores 

 ellipsoid, subgloboid or ovoid, 18-25 by 25-39 /*, the apex rounded or truncate, the base 

 obtuse or narrowed; wall dark chestnut-brown, 1.5-2.5 m, much thicker above, 6-10 m, 

 smooth ; pedicel tinted next to the spore, firm, persistent, once to twice length of spore. 



.On Fabaceae : 



Lathyrus arizonicus Britton, Colorado. 



Lathyrus bijugatus T. G. White, Washington. 



Lathyrus Bolanderi S. Wats., California. 



Lathyrus coriaceus T . G. White, Utah. 



Lathyrus decaphyllus Pursh {L. polymorphus Nutt.), Colorado. 



Lathyrus laetivirens Greene, Colorado. 



Lathyrus leucanthus Rydb., Colorado, New Mexico. 



Lathyrus myrtifolius Muhl,, Illinois, Iowa ; Ontario. 



Lathyrus ochroleucus Hook., Illinois, New York, Utah, Wisconsin ; Ontario. 



Lathyrus oregonensis T. G. White, Oregon. 



Lathyrus omatus Nutt., Colorado, Kansas, Nebraska. 



Lathyrus pauciflorus Fernald {L. Shaffneri Rydb., L. parvifolius S. Wats.), Idaho, 

 Montana. 



Lathyrus polyp hyllus'mutt., Oregon, Washington. 



Lathyrus strictus Nutt., California. 



Lathyrus sulphureus Brewer, Washington. 



Lathyrus Torreyi A. Gray, California. 



Lathyrus utahensis M. E. Jones, Utah. 



Lathyrus venosus Muhl., Indiana, Iowa, Michigan, Minnesota, South Dakota, Wisconsin. 



Lathyrus violaceus Greene {L. puberulus T. G. White), California. 



Latnyrus Watsonii T. G. White, California. 



Vicia amrcricana Muhl., Iowa, Montana, New York, Ohio, South Dakota, Washington, 

 Wyoming. 



Vicia Cracca I^., Nova Scotia. 



Vicia dissitifolia (Nutt.) Rydb., Colorado. 



Vicia Faba 'L,. {Faba vulgaris Moench), Ivouisiana ; Mexico (state), Michoacan, Oaxaca. 



Vicia linearis (Nutt.) Greene, Kansas. 

 Type locality: Burope, on Vicia Faba. 



Distribution : Nova Scotia to lyouisiana, westward to the Pacific coast, and southward to 

 southern Mexico ; also in Europe and Asia. 



Illustrations : Beitr. Krypt. Schweiz V- : /. 49^ 50, 51 ; McAlpine, Rusts Austr. pi. 42, f. 307. 

 ExsiCCATi: Kellerm. Ohio Fungi 2; KHis, N. Am. Fungi 1442; Sydow, Ured. 1353, 1764; 

 D. Griff. W. Am. Fungi 260, 300, 349, 349a ; Garrett, Fungi Utah. 123, 124, 125 ; Ellis & Ev. Fungi 

 Columb. 1993 ; Barth. Fungi Columb. J/?^; Clements, Crypt, Form. Colo. 5J2. 



