Parr 2, 1907] ; AECIDIACEAE 157 
ON FABACEAE: 
Petalostemon candidus (Willd.) Michx., Kansas, Nebraska. 
Petalostemon multifiorus Nutt., Kansas. 
Petalostemon purpureus (Vent.) Rydb. (P. violaceus Michx.), Kansas, Nebraska, North 
Dakota, Wisconsin. 
TYPE LOCALITY: La Crosse, Wisconsin, on Petalostemon sp. 
DISTRIBUTION : Northern Mississippi Valley. 
ExsiccaTi: Carleton, Ured. Am. 8; Ellis & Ev. N. i : i i 
bi Ellis Ev Am. Fungi 1844; Ellis & Ev. Fungi 
5. Uropyxis Roseana Arthur, sp. nov. 
O. Pycnia amphigenous, few in small groups surrounded by uredinia, brownish-yellow, 
punctiform, inconspicuous, subcuticular, frustum-like, small, 80-110 broad by 60-80 high. 
II. Uredinia amphigenous, in small annular groups, often confluent on slightly discoi- 
ored spots, round or oblong, 0.3-0.8 mm. long, soon naked, pale cinnamon-brown, pulver- 
ulent, ruptured epidermis conspicuous; paraphyses none; urediniospores obovate or ellipsoid, 
17-22 by 23-27; wall thin, 1-1.5, pale-yellow, echinulate-verrucose, pores numerous, 12 
or more, scattered, obscure. 
III. Telia not seen; teliospores in the uredinia elliptical, 18-23 by 29-37, rounded at 
both ends, slightly constricted at septum; wali laminate, inner layer cinnamon-brown, 
1.5-2.5 thick, pores 2 in each cell, lateral and opposite, outer layer colored, barely per- 
ceptible, verrucose with fine points 2-34 apart; pedicel colored, very short, not swelling in 
water, slender. 
ON FABACEAE : 
Cracca Talpa (S. Wats.) Rose, Querétaro. 
oe collected at Hacienda Ciervo, State of Querétaro, Mexico, August 20, 1905, 7. WV. Rose 
6. Uropyxis Daleae (Dietel & Holway) Magn. Ber. Deuts. 
Bot. Ges. 17: 115. 1899. 
Puccinia Daleae Dietel & Holway, Bot. Gaz. 24: 27. 1897. 
O. Pycnia unknown. 
II. Uredinia chiefly hypophyllous, scattered, or gregarious on yellow spots, often cir- 
cinating, round, 0.2-0.7 mm. across, soon naked, pale cinnamon-brown, somewhat pulver- 
ulent, ruptured epidermis usually noticeable; paraphyses peripheral, abundant, variously 
bent and incurved, linear-clavate or somewhat capitate, 13-23 by 50-77, wall nearly or 
quite colorless, irregularly thickened, thicker above, 5-7 “, smooth; urediniospores broadly 
ellipsoid or globoid, 16-22 by 18-25“; wall medium thin, 1-1.5 4, thicker when immature, 
pale golden yellow, finely and closely echinulate-verrucose, pores numerous, 12 or more, 
scattered, obscure. 
Ill. Telia chiefly hypophyllous, scattered, round, 0.3-0.8 mm. across, soon naked, 
chocolate-brown, somewhat pulverulent, ruptured epidermis usually noticeable; paraphyses 
as in uredinia, but less numerous; teliospores elliptical, 24-28 by 35-47, rounded at both 
ends, slightly constricted at septum ; wall laminate, inner layer chestnut-brown, 34 thick, 
pores 2 in each cell, lateral and opposite, outer layer pale amber-color, gelatinous, 1.5-2.5 hw 
thick in water, finely and evenly verrucose; pedicel colorless, half as long as spore, in 
water swelling to 18” or more thick. 
On FABACEAE: 
Parosela acutifola (DC.) Rose (Dalea acutifolia DC.), Morelos. 
Parosela citriodora (Willd.) Rose (Dalea cttriodora Willd.), Jalisco. 
Parosela Dalea (¥,.) Britton (Dalea alopecuroides Willd.), Jalisco. 
Parosela Holwayi Rose, Guerrero. . 
Parosela mucronata (DC.) Rose (Dalea mucronata DC.), Jalisco. 
Parosela mutabilis (Cav.) Rose (Dalea mutabilis Willd.), Hidalgo, Mexico (state). 
Parosela trifoltata (Zucc.) Rose (Dalea trifoliata Zucc.), Aguascalientes, Mexico (state). 
TYPE LOCALITY: Near Tula, Mexico, on Dalea [mutabilis). 
DISTRIBUTION: Central and southern Mexico. 
ExsiccaTi: Sydow, Ured. 1579. 
