Part 4, 1920] AECIDIACEAE 295 
35. Dicaeoma phakopsoroides (Arth. & Mains) Arthur & Fromme. 
Puccinia phakopsoroides Arth. & Mains, Bull. Torrey Club 46: 412. 1919. 
O and I. Pycnia and aecia unknown. 
II. Uredinia amphigenous, in small groups on dark, discolored spots, round, small, 
0.1-0.2 mm. in diameter, cinnamon-brown, early naked, ruptured epidermis inconspicuous; 
paraphyses peripheral, incurved, clavate, 10-12 by 35-50y, the wall cinnamon-brown, 1 u 
thick, usually thickened up to 2-34 on the convex side; urediniospores ellipsoid or broadly 
obovoid, 19-26 by 27-35 u; wall brownish or nearly colorless, 1-1.5 » thick, closely echinulate, 
the pores very indistinct, probably 2 and equatorial. 
III. Telia hypophyllous, scattered, squarish-oblong, 0.5-1 mm. long, long covered by- 
the epidermis, compact with the spores adhering laterally, brownish-black due to discolored 
host-tissue; ieliospores 1—, 2~ or 3-celled, short-cylindric, 8-14 by 24-39 wu, rounded above and 
below, somewhat constricted at septa; wall pale-brown or colorless, smooth, thin, uniformly 
1 wor less in thickness, but with an outer colorless layer swelling in water to 2-3 » above, 
demonstrable by staining; pedicel wanting or extremely short and colorless. 
On POACEAE: 
Olyra latifolia L., Cuba; Porto Rico. 
Type LocaLity: Guantanamo, Cuba, on Olyra latifolia, 
DISTRIBUTION: Greater Antilles. 
36. Dicaeoma poculiforme (Jacq.) Kuntze, Rev. Gen. 33: 466. 
1898. 
Lycoperdon poculiforme Jacq. Coll. 1: 122. 1786. 
Lycoperdon lineare Schrank, Baier. Fl. 2: 669. 1789. 
Aecidium Berberidis Pers. in J. F. Gmel. Syst. Nat. 2: 1473. 1791. 
Aecidium lineare Pers. in J. F. Gmel. Syst. Nat. 2: 1473. 1791. 
Lycoperdon Berberidis Duval, Bot. Tasch. Hoppe 1793: 257. 1793. 
Puccinia graminis Pers. Neues Mag. Bot. 1: 119. 1794. 
Uredo frumenti Sow. Engl. Fungi pi. 140. 1798. 
Puccinia culmorum Schum. Enum. PI. Saell. 2: 233. 1801. 
Aecidium Berberidis cylindricum Rebent. Prodr. Fi. Neom. 352. 1804. 
Aecidium Berberidis cyathiforme Rebent. Prodr. Fl. Neom. 352. 1804. 
Puccinia cerealis H. Mart. Fl. Mosq. 183. 1812. 
Dicaeoma graminis S. F. Gray, Nat. Arr. Brit. Pl. 1: 541. 1821. 
Caeoma Berberidis Schlecht. Fl. Berol. 2:112. 1824. 
Caeoma berberidatum Link, in Willd. Sp. Pl. 67:57. 1825. 
Puccinia Anthoxanthi Fuckel, Jahrb. Nass. Ver. 27:15. 1873. 
Puccinia poculiformis Wettst. Verh. Zool.-Bot. Ges. Wien 35: 544. 1886. 
Puccinia Phlei-pratensis Erikss. & Henn. Zeits. Pflanzenkr. 4: 140. 1894. 
Puccinia jubata Ellis & Barth. Erythea 4:2. 1896. 
Dicaeoma Anthoxanthi Kuntze, Rev. Gen. 33: 467. 1898. 
Puccinia vilis Arth. Bull. Torrey Club 28: 663. 1901. 
Puccinia Sesleriae-coeruleae Ed. Fisch. Beitr. Krypt. Schweiz 2?: 259. 1904. 
Dicaeoma vile Arth. Résult. Sci. Congr. Bot. Vienne 344. 1906. 
Uredo quinqueporula Arth. & Fromme, Torreya 15: 265. 1915. 
O. Pycnia amphigenous, numerous, in crowded, circular groups, on discolored spots, 
honey-yellow becoming brownish, globoid, 90-110 in diameter; ostiolar filaments 30-60 u 
long. 
I, Aecia hypophyllous, caulicolous, and fructicolous, in crowded, circular groups 1-6 mm. 
across, on discolored, slightly thickened spots, cupulate or cylindric, 0.2-0.3 mm. in diameter, 
sometimes attaining a length of 2 mm. but ordinarily much shorter; peridium colorless, the 
margin erose, slightly recurved; peridial cells oblong, 16-23 by 19-26 wu, the outer wall thick, 
10-12 », smooth and transversely striate, the inner wall 2-4 », moderately verrucose, squarely 
abutted; aeciospores angularly globoid or oblong, 15-19 by 16-23»; wall colorless, 1-1.5 p 
thick, considerably thickened above, 5-9, finely and closely verrucose, appearing smooth 
when wet. 
On BERBERIDACEAE : Pree 
Berberis canadensis Mill., Virginia, West Virginia. 
Berberis declinatum Schrad. (cult.), Massachusetts. 
Berberis Fendleri A. Gray (cult.), Minnesota. 
Berberis sinensis Desf. (cult.), Massachusetts. ; . 
Berberis vulgaris 1. (cult.), Colorado, Idaho, Illinois, Indiana, Iowa, Maine, Massachusetts, 
Michigan, Minnesota, Missouri, Nebraska, New Jersey, New York, North Carolina, 
North Dakota, Pennsylvania, South Dakota, Vermont, Washington, Wisconsin; 
Ontario. 
