380 NORTH AMERICAN FLORA [VoLUME 7 
TYPE LOCALITY: France, on Iris pumila. 
Distripution: Nearly throughout the United States and Canada, only uredinia occurring east of 
the Rocky Mountains; also in Europe, Asia, and Japan. 
In_usrrations: Holway, N. Am. Ured. 1: pl. 10, f. 43; Krypt.-fl. Brand. Pilze 3: f. B88. 
_ Exsiccatt: Barth. Fungi Columb. 3457, 3663, 4151; Barth. N. Am. Ured. 43, 348, 1160, 1255; 
_ Eee Fungi Columb. 988, 1856; Ellis, N. Am. Fungi 249; Sydow, Ured. 1719; Thiim. Myc. 
niv. : 
159. Dicaeoma (?) angulatum (Dietel & Neger) Arthur. 
Puccinia angulata Dietel & Neger, Bot. Jahrb. 24: 156. 1897. 
O.Pycnia not seen. 
I. Aecia scattered, solitary on small yellowish spots; peridium white, lacerate, reflexed; 
aeciospores angularly oblong, 15-20 by 21-28 u; wall minutely verrucose. 
II. Uredinia amphigenous, scattered, oblong or linear, 0.6-1.5 mm. long, early naked, 
pulverulent, yellowish, ruptured epidermis conspicuous; urediniospores broadly ellipsoid, 
18-23 by 23-27 y; wall colorless or slightly yellowish, 1-1.5 » thick, closely and finely echinu- 
late, the pores 8-9, scattered. 
III. Telia amphigenous, scattered, oval or oblong, 0.1-0.7 mm. long, long covered by the 
epidermis, compact, ruptured epidermis evident; stroma well developed, golden-brown, 
dividing the spores into groups; teliospores angular-clavate or ellipsoid, 18-26 by 35-55 y, 
rounded or obtuse above, narrowed toward the base, not or slightly constricted at septum; 
wall cinnamon- or chestnut-brown in upper part, thin, 1-1.5 4, 2-7 at apex, smooth; 
pedicel yellowish, fragile; mesospores 20-40 per cent., ellipsoid or obovoid, 16-23 by 29-47 p. 
On IrIpAcBAz: 
Sisyrinchium sp., Mexico (state). 
TYPE LOCALITY: Vicinity of Santiago, Chile, on Sisyrinchium pedunculatum. 
DistriBution: Southern Mexico; also in South America. 
160. Dicaeoma (?) Cannae (Wint.) Arthur. 
Uredo Cannae Wint. Hedwigia 23: 172. 1884. 
Puccinia Thaliae Dietel, Hedwigia 38: 250. 1899. 
Puccinia Cannae P. Henn, Hedwigia 41: 105. 1902. 
O and I. Pyenia and aecia unknown. 
II. Uredinia chiefly hypophyllous, few to many, scattered, rounded or oblong, 0.3- 
0.5 mm. wide by 0.3-1 mm. long, located under the second layer of surface cells, sometimes 
with weakly developed stroma, tardily naked, pulverulent, pale-golden, ruptured epidermis 
evident; urediniospores ellipsoid or obovoid, often angular and irregular, 18-24 by 27-43 4; 
wall nearly hyaline, 1-2 » thick, moderately or rather sparsely echinulate, the pores usually 
obscure, sometimes showing as 2, approximately equatorial. 
III. Telia chiefly hypophyllous, few to many, scattered or sometimes surrounding the 
uredinia, irregularly circular or oblong, small, 0.2-0.5 mm. across, situated below the second 
layer of host-cells, tardily naked, blackish, overlying epidermis transparent and inconspicuous; 
teliospores oblong-clavate or cylindric, rounded or truncate above, not or only slightly con- 
stricted at septum, 13-23 2 wide by 39-78 » long; wall cinnamon-brown, often appearing 
paler below, 1 wu thick, thickened at apex, 2-7 4, smooth; pedicel short, light cinnamon-brown, 
up to 20 » long. 
On MaranTacesek: 
Calathea lutea (Aubl.) G. Meyer, Cuba; Porto Rico. 
Thalia geniculata L., Porto Rico. 
On CANNACEAE: 
Canna coccinea Ait. (C. portoricensis Bouché), Porto Rico. 
Canna glauca L., Porto Rico. 
Canna indica I,., Guatemala; Cuba. 
Canna sp., British Honduras; Panama; Jamaica; St. Domingo. 
Typp Locality: San Francisco, Santa Catharina, Brazil, on Canna sp. 
DISTRIBUTION: West Indies and Central America; also in South America. 
ILLUSTRATIONS: Sydow, Monog. Ured. 1: #1. 33, f. 455. 
Exsiccatr: Barth. Fungi Columb. 2387; Barth. N. Am. Ured. 1638; Kellerm. Fungi Sel. Guat. 
3; Sydow, Ured. 2114. 
