Part 6, 1921] AECIDIACEAE 455 
finely verrucose; aeciospores globoid, slightly angular, 20-25 by 20-30 u; wall colorless, thick, 
3-4 w, inconspicuously and closely verrucose. ‘ 
III. Telia epiphyllous, scattered or crowded about the aecia, often lineally confluent 
along the veins, elongate, 0.7-2 mm. long, early naked, conspicuous, pulverulent, dark choco- 
late-brown, ruptured epidermis noticeable; teliospores broadly ellipsoid, 22-28 by 35-55 u, 
rounded or obtuse at both ends, slightly constricted at septum; wall dark chestnut-brown, 
about 3-3.5 thick, thicker at apex, 7-9 u, smooth; pedicel colorless, rather stout, up to 
100 uw long. 
ON PoAcHaE: 
Stipa lepida Hitchc., California. 
Stipa lepidg Andersoni (Vasey) Hitche. (S. eminens Andersoni Vasey), California. 
TYPE LOCALITY: Buenos Aires, Argentina, on Stipa sp. 
DISTRIBUTION: One station at Berkeley, California, not seen since 1894 ; also in South America. 
InLustTraTion: E. & P. Nat. Pfl. 1:**: 7. 43 
Exsiccati: Arth. & Holway, Ured. Exs. Ic. 29a; Ellis & Ev. Fungi Columb. 864; Ellis & Ev. N. 
Am. Fungi 3350. 
2. Allodus Calochorti (Peck) Arth. Résult. Sci. 
Congr. Bot. Vienne 345. 1906. 
Puccinia Calochorti Peck, Bot. Gaz. 6: 228. 1881. 
Puccinia anachoreia Ellis & Hark. Bull. Calif. Acad. 1:14. 1884. 
Puccinia Holwayi Dietel, Hedwigia 32: 29. 1893. 
Dicaeoma anachoreticum Kuntze, Rev. Gen. 33: 467. 1898. 
Dicaeoma Holwayi Kuntze, Rev. Gen. 33: 469, 1898. 
O. Pyenia chiefly epiphyllous, few in small open groups, punctiform, honey-yellow, rather 
conspicuous, in section irregularly globoid, 75-100 u broad; ostiolar filaments prominent. 
I. Aecia hypophyllous, in oval groups, 4-6 mm. long, cylindric, cupulate, short, 0.3-0.4 
mm. across; peridium colorless, the margin irregularly lacerate, recurved; peridial cells rhom- 
boidai, 10-20 by 26~—30 p, the outer wall transversely striate, 7-10 uw thick, smooth, the inner 
wall finely verrucose, 3-5 « thick; aeciospores globoid, 16-23 by 19-26 4; wall pale-yellow, 
1.5-2 uw, evenly and finely verrucose. 
III. Telia chiefly hypophyllous, gregarious at first, later scattered, oval, 0.5—2 mm. long, 
at first bullate, soon naked, pulverulent, dark chestnut-brown, ruptured epidermis conspicuous; 
teliospores broadly ellipsoid, 19-29 by 29-42 4, rounded above and below, slightly or not 
constricted at septum; wall chestnut-brown, moderately thick, 1.5—-2.5 u, slightly thicker above, 
3-5 uw, rather prominently verrucose above, smoother below; pedicel colorless or nearly so, 
rather delicate, half length of spore or less. 
Urediniospores sometimes found in the telia, broadly ellipsoid, 21-26 by 26-31; wail 
light golden-brown, moderately thick, 2-2.5 y, finely and rather sparsely echinulate, the pores 
indistinct, 5 or 6, scattered. 
ON ALLIACEAE: . 
Allium biscepirum S. Wats., California. 
On CALOCHORTACEAE: . . 
Calochortus albus Dougl., California. 
Calochortus apiculatus Baker, Montana. 
Calochorius elegans Pursh, Washington. 
Calochortus euumbellatus A. Nelson, Idaho. 
Calochortus flavus Schultes f., Mexico (state). . 
Calochortus Gunnisonii S. Wats., Colorado, Idaho, Nebraska, Wyoming. 
Calochortus longebarbatus Dougl., Washington. 
Calochortus macrocarpus Dougl., Oregon. — 
Calochortus Maweanus Leichtlin, California. 
Calochorius nitidus Dougl., Oregon. — 
Calochortus nudus S. Wats., California. : . 
Calochortus Nuttallii 'T. & G. (C. Leichilinit Hook.), California, Colorado, Utah. 
Calochortus Pringlei B. L. Robinson, Morelos. 
Calochortus venustus ‘Dougl., California. 
Calochortus sp., Nevada. : 
Typr LOCALITY: Utah, on Calochorius Nuttallii. : : 
DIstRiBuTION: Nebraska to Washington, and southward into Mexico. 
InLustrations: Holway, N. Am. Ured. 1: #1. 9, f. 36a, 6, c. . 
Exsiccatr: Barth. N. Am. Ured. 127, 533, 622; Clements, Crypt. Form. Colo. 549; Ellis & Ev. 
Fungi Columb. 1953; Garrett, Fungi Utah. 90. 
