Part 8, 1922] AECIDIACEAE 591 
Of the tribe Senecioneae. icali. 
Of the tribe Gane, 41. P. arnicalis. 
Teliospore-wall considerably thickened above. 42. P. Trixitis. 
Teliospore-wall scarcely thickened above. 43. P. Onopordi. 
1. Puccinia pagana Arth. Bull. Torrey Club 38: 372. 1911. 
Allodus pagana Orton, Mem. N. Y. Bot. Gard. 6: 181. 1916. 
III. Telia amphigenous, scattered, oval, 0.1-0.4 mm. broad, 0.2-0.7 mm. long, tardily 
naked, cinnamon-brown, somewhat pulverulent, ruptured epidermis conspicuous; teliospores 
broadly ellipsoid or fusiform, 18-23 by 27-35 “, not constricted at septum; wall cinnamon- 
brown, 1.5-2 » thick, often slightly thickened above, 3-44, sometimes with a pale papilla, 
very finely and inconspicuously verrucose, more evidently so near the apex; pedicel colorless, 
fragile, half length of spore or less. 
ON ALLIACEAE: 
Allium reticulatum G. Don, Colorado. 
TYPE Locauity: Dead Lake, Pikes Peak, Colorado, on Allium reticulatum. 
Distrrrvurion: Known only from the type locality. 
Exsiccati: Clements, Crypt. Form. Colo. 141. 
2. Puccinia valida Arth. Bull. Torrey Club 42: 591. 1915. 
If. Uredinia hypophyllous, scattered unevenly, irregularly rounded or somewhat elongate, 
0.3-0.7 mm. across, early naked, pulverulent, cinnamon-brown, ruptured epidermis evident; 
urediniospores ellipsoid or broadly obovoid, 17-22 by 22-28 »; wall cinnamon-brown, 1.5-2.5 Be 
thick, moderately or sparsely echinulate, the pores 2, slightly superequatorial. 
III. Telia hypophyllous, scattered, round, 0.1-0.8 mm. in diameter, early naked, some- 
what pulvinate, becoming pulverulent, dark cinnamon-brown becoming cinereous from ger- 
mination, ruptured epidermis inconspicuous; téliospores oblong or obovoid-oblong, 13-19 by 
28-39 p, rounded above, slightly narrowed below, slightly constricted at septum; wall cinna- 
mon-brown, thin, | 4, thickened at apex up to 4-7 », smooth; pedicel tinted, fragile, as long 
as spore. 
On DiI0ScOREACEAE: 
Dioscorea convoloulacea Schlecht. & Cham., Oaxaca. 
TYPE LOCALITY: Jalapa, Mexico, on Dioscorea convolvulacea. 
DISTRIBUTION: Known only from the type locality. 
3. Puccinia Heliconiae (Dietel) Arth. Bull. Torrey Club 45: 
144. 1918. 
Uredo Heliconiae Dietel, Hedwigia 36: 35. 1897. 
II. Uredinia hypophyllous, numerous, closely grouped or confluent, sometimes circinating 
on brown discolored spots, roundish, small, 0.2—0:5 mm. across, rather early naked, pulverulent, 
cinnamon-brown, ruptured epidermis noticeable; urediniospores broadly ellipsoid or obovoid, 
18-24 by 23-32 u; wall cinnamon-brown, rather thick, 1.5-3 », moderately and noticeably 
echinulate, the pores obscure, probably 2, equatorial. 
III. Telia hypophylious, scattered, soon naked, round, 0.3-0.5 mm. across, cinnamon- 
brown, ruptured epidermis evident; teliospores elongate-clavate, 15-19 by 60-72 u, rounded 
above, not or slightly constricted at septum; wall pale cinnamon-brown, thin, 1 », much 
thickened above, 9-13 », smooth; pedicel short, colorless. 
ON MUuSACEAE: ; 
Bihai borinquena Griggs, Porto Rico; Martinique. 
Bihai latispatha (Benth.) Griggs (Heliconia latispatha Benth.), Panama. 
TYPE Locality: Rio de Janeiro, Brazil, on Heliconia sp. ; 
DistrRisuTion: Panama and the West Indies; also in South America. 
4. Puccinia cinnamomea Dietel & Holway; Holway, Bot. Gaz. 
24: 29. 1897. 
Dasyspora cinnamomea Arth. Résult. Sci. Congr. Bot. Vienne 346. 1906. 
