Part 6, 1921] AECIDIACEAE 419 
230. Dicaeoma splendens (Vize) Kuntze, Rev. Gen. 
3°: 470. 1898. 
Puccinia splendens Vize, Grevillea 7:11. 1878. 
Puccinia notabilis Tracy & Earle, Bull. Torrey Club 22: 174. 1895. 
Puccinia Franseriae Sydow, Ann. Myc. 1: 326. 1903. 
Allodus splendens Arth. Résult. Sci. Congr. Bot. Vienne 345. 1906. 
O. Pycnia amphigenous, numerous, scattered, noticeable, globoid, 96-112 4; ostiolar 
filaments 70~80 » long. 
I. Aecia amphigenous, crowded on yellowish spots, short-cylindric; peridium yellowish, 
the margin lacerate; peridial cells rhombic, 15-19 by 31-34, overlapping, the outer wall 
smooth, 4-5 yu thick, the inner wall closely and roughly verrucose with slender tubercles, 7-9 u 
thick; aeciospores angularly ellipsoid, 15-19 by 23-29 u; wall colorless, 1.5 « thick, minutely 
and obscurely verrucose. 
II. Uredinia amphigenous or caulicolous, scattered on leaves, crowded or confluent on 
stems, early naked, compact, cinnamon- or chestnut-brown, ruptured epidermis conspicuous; 
urediniospores appearing round, elliptic or broadly obovate with pores in surface view, 24- 
29 by 27-34 u, and flattened laterally, appearing oblong with pores in optical section, 14-16 nz 
thick; wall dark cinnamon-brown, 1-2 p» thick, finely and moderately echinulate, with obscure 
smooth area somewhat depressed on flat sides around pores, the pores 2, equatorial. 
III. Telia amphigenous and catlicolous, numerous, scattered on leaves, confluent on 
stems, producing gall-like swellings, often fusiform, 3-6 cm. long, early naked, compact, 
pulvinate, dark chestnut-brown or blackish, ruptured epidermis inconspicuous; teliospores ellip- 
soid or obovoid, 27-32 by 39-50 uw on leaves, larger on stems, 28-36 by 46-62 », rounded at 
both ends, slightly constricted at septum; wall chestnut-brown, 2.5-5 uw thick, thicker at apex, 
7-10 w, smooth; pedicel colorless or slightly tinted especially in upper part, variable in length, 
often very long, up to 230 yz, flexuous. 
On AMBROSIACEAE: 
Franseria ambrosioides Cav. (Gaertneria ambrosioides Kuntze), Arizona. 
Franseria deltoidea Torr. (Gaertneria deltoidea Kuntze), Arizona. 
Franseria dumosa A. Gray, California. 
Hymenoclea monogyra T. & G., Arizona, California, New Mexico, Texas. 
Hymenoclea Salsola 'T. & G., Arizona, California. 
Type Locality: California on “onion or rabbit bush” [Hymenoclea sp.] 
DistRiBuTION: Southwestern United States from California to Texas. 
or pee Barth. N. Am. Ured. 2266: Ellis, N. Am. Fungi 1061; D. Griff. W. Am. Fungi 
231. Dicaeoma (?) Xanthiifoliae (Ellis & Ev.) Kuntze, Rev. 
Gen. 3°: 471. 1898. 
Puccinia Xanthiifoliae Ellis & Ev. Jour. Myc. 6:120. 1891. 
O and I. Pycnia and aecia unknown. 
II. Uredinia mostly hypophyllous, numerous, scattered, round, small, 0.1-0.3 mm. in 
diameter, early naked, pulverulent, cimnamon- or light chestnut-brown, ruptured epidermis 
inconspicuous; urediniospores globoid or broadly ellipsoid, 19-24 by 21-26 uw; wall cinnamon- 
brown, 1-1.5 u thick, closely echinulate, the pores 2, occasionally 3, subequatorial. 
III. Telia mostly hypophyllous, numerous, scattered without order, round, 0.1-0.7 mm. 
in diameter, early naked, compact, tuberculiform, dark chestnut-brown, ruptured epidermis 
inconspicuous; teliospores ellipsoid, 23-27 by 35-48 u, rounded above and below, moderately 
constricted at septum; wall chestnut-brown, 1.5-2.5 y thick, thicker at apex, 7-9 », with a 
wide light cinnamon-brown umbo, smooth; pedicel colorless, up to 804 long, in large part 
deciduous. 
On AMBROSIACEAE: Sees : 
Cyclachaena xanthifolia (Nutt.) Fresen. (Iva xanthifolia Nutt.), Arizona, Colorado, Idaho, 
Kansas, Nebraska, South Dakota. 
Typr Locality: Manhattan, Kansas, on Iva xanthifolia. 
DistRIBUTION: Kansas and South Dakota westward to Colorado and Idaho. 
Exsiccatr: Barth. N. Am. Ured. 2082; Ellis & Ev. N. Am. Fungi 2252{a]; Seym. & Earle, 
Econ. Fungi Suppl. B2J. 
