460 NORTH AMERICAN FLORA (VoLumE 7 
III. Telia hypophyllous, scattered rather unevenly among the aecia, or arising from with- 
in the aecia, circular, 0.3-0.4 mm. in diameter, pulvinate, not pulverulent, rather early naked, 
ruptured epidermis conspicuous; teliospores ellipsoid, 16-22 by 31-37 , usually rounded above, 
rounded or narrowed below, noticeably constricted at septum; wall cinnamon-brown, 1.5-2 » 
thick, smooth, 7-10 « thick above; pedicel golden- or light cinnamon-brown, delicate, rarely 
up to 100 » long. 
On BRASSICACEAE: 
Schoenocrambe linifolia (Nutt.) Greene (Sisymbrium nailer Nutt.), Montana. 
TYPE LOCALITY: Helena, Montana, on Sisymbrium linifolium. 
DistTRIBUTION: Known only from the ey locality. 
ILLUSTRATION: Holway, N. Am. Ured. 1: pl. 17, f. 634. 
12. Allodus intumescens (Sydow) Arthur & Orton. 
Puccinia Euphorbiae intumescens Sydow, Monog. Ured. 1: 457. 1904. 
Puccinia intumescens Holway, N. Am. Ured. 1:60. 1907, 
O. Pycnia amphigenous, in scattered groups on discolored areas with aecia and telia, 
1-3 mm. across, conspicuous, light-brown, flattened-globoid, 96-115 by 61-1004; ostiolar 
filaments sometimes agglutinated, 48-80 » long; pycniospores colorless, oval, 1.5 by 3-4 yu. 
I. Aecia hypophyllous, gregarious, crowded in irregular groups 1-3 mm. across, low, 0.3- 
0.4 mm. in diameter; peridium slightly yellowish, the margin becoming lacerate, recurved; 
peridial cells rectangular in longitudinal section, 9-16 by 18-51 y, abutted, the outer wall thick, 
6-12 », transversely striate, the inner wall thin, 1.5—2 4, verrucose; aeciospores ellipsoid, 16- 
23 by 24~35 uw; wall colorless, moderately thin, 1.5-2.5 y, rather strongly and moderately echi- 
nulate with broad conic echinulations. 
III. Telia chiefly epiphyllous, scattered, indefinite, 0.5-2'mm. or more across, early 
naked, slightly pulverulent, blackish-brown, ruptured epidermis conspicuous; teliospores 
ellipsoid or oblong-ellipsoid, 26-33 by 55-71 yu, usually rounded below, usually narrowed and 
shortly rostriform above, not or only slightly constricted at septum; wali dark chestnut-brown, 
medium-thick, 2.5-4 u, paler above, 9-16 y, rather closely and strongly verrucose; pedicel 
colorless except close to spore, once to once and half length of spore, fusiform or inverted 
napiform, 13-16 » at broadest diameter. 
On EuPrHORBIACEAE: 
Adenorima calyculata (H.B.K.) Millsp. (Euphorbia calyculata H.B.K.), Michoacan. 
TYPE LOCALITY: Lake Patzcuaro, Michoacan, on Euphorbia calyculata. 
DisTRIBUTION: Michoacan. 
ILLUSTRATION: Holway, N. Am. Ured. 1: 1. 25, f. 90. 
Exsiccatt: Barth. N. Am. Ured. 1441; Barth. Fungi Columb. 4959, 
13. Allodus effusa (Dietel & Holway) Arth. Ré- 
sult. Sci. Congr. Bot. Vienne 345. 1906. 
Puccinia effusa Dietel & Holway; Dietel, Erythea 3:81. 1895. 
O. Pyenia amphigenous, scattered or in groups among the aecia, inconspicuous, globoid 
or pyriform, 130-200 » in diameter, honey-yellow; ostiolar filaments short. 
I. Aecia amphigenous, in rather loose groups, often scattered over considerable portions 
of the leaf or along the petioles, more rarely annular, circular, 0.3-0.5 mm. across, cupulate; 
peridium white, short, recurved, the margin erose; peridial cells rhomboidal in longitudinal 
section, 18-24 by 27-34 », the outer wall finely and inconspicuously striate, 7-9 u thick, the 
inner wall evenly verrucose, 3-5 u thick; aeciospores globoid or broadly ellipsoid, 16-23 by 
19-30 «; wall colorless, 1—1.5 « thick, very inconspicuously verrucose. 
III. Telia amphigenous, chiefly arising in or around the aecia, early naked, dark chocolate- 
brown, somewhat pulverulent; teliospores broadly ellipsoid or oblong, 20-30 by 32-51 n, 
usually rounded at both ends, slightly or not constricted at septum; wall chestnut- or light 
chocolate-brown, 2.5—3 » thick, moderately verrucose above, nearly smooth below, rarely 
thickened to 5 » above; pedicel colorless, fragile, rarely length of spore. 
Urediniospores occur sparingly in the telia, globoid or obovoid, golden-yellow, 21-26 by 
27-35 w, moderately or sparsely echinulate; wall 3-3.5 « thick; the pores 2, opposite, equatorial 
or nearly so. 
