286 NORTH AMERICAN FLORA [VoLuME 7 
ellipsoid, globoid or obovoid, 26-29 by 27-37 u; wall cinnamon- or golden-brown, thin, 1~1.5 4, 
moderately echinulate, the pores usually 3, sometimes 2 or 4, equatorial. 
Il. Telia unknown. 
On PoAackAE: 
Arundinella Deppeana Nees, Costa Rica. 
TYPE LocALiTy: San Ramén, Costa Rica, on Arundinella Deppeana. 
DISTRIBUTION: Known only from the type locality. 
15. Dicaeoma leve (Sacc. & Bizz.) Arthur & Fromme. 
Diorchidium leve Sacc. & Bizz.; Saccardo, Michelia 2: 648. 1882. 
Puccinia levis Magnus, Ber. Deuts. Bot. Ges. 9: 190. 1891. 
Puccinia Paspali Tracy & Earle, Bull. Torrey Club 22: 174. 1895. 
Puccinia gayazensis P. Henn. Hedwigia 34: 94. 1895. 
Dicaeoma Paspali Arth. Résult. Sci. Congr. Bot. Vienne 344. 1906. 
O and I. Pyenia and aecia unknown. 
II. Uredinia amphigenous, scattered, rounded or elliptic, small, 0.5-1 mm. long, rather 
tardily naked, chestnut-brown, ruptured epidermis conspicuous; urediniospores globoid or 
broadly ellipsoid, 19-29 by 24-32 4; wall cinnamon-brown, 1.5-2 4 thick, moderately and 
prominently echinulate, the pores 2, sometimes 3, equatorial. 
III. Telia amphigenous, scattered, rounded or broadly elliptic, 0.5-1 mm. long, rather 
tardily naked, blackish-brown, compact, ruptured epidermis conspicuous; teliospores oblong, 
21-29 by 32-42 uw, rounded at both ends, slightly constricted at septum, the septum normally 
horizontal, sometimes oblique or nearly vertical; wall chocolate-brown, smooth, moderately 
and nearly uniformly thick, 2.5-3 yw, but thicker over the germ pores, 7~9 uw; pedicel colorless, 
fragile, twice length of spore or more. 
ON POACEAE: 
Panicum Schiffnert Hack., Oaxaca. 
Paspalum crassum Chase, Colima. 
Paspalum fimbrietum H.B.K., Antigua; Porto Rico. 
Paspalum Humboldtianum Fligge, Guatemala. 
Paspalum Larraftagai Arech., Louisiana, Mississippi, Texas. 
Paspalum Millegrana Schrad. (P. Underwoodii Nash), Porto Rico. 
Paspalum plicatulum Michx., Porto Rico. 
Rytilix granularis (L.) Skeels (Manisuris granularis Sw., Hackelochloa granularis Kuntze) , 
Porto Rico; Guadeloupe; Martinique. 
Typ# LvocaLity: Brazil, on Manisuris granularis. 
DistR1IBUTION: Southern United States near the Gulf through the West Indies, Mexico, and 
Central America; also in northern South America. 
ILLUSTRATIONS: Ber. Deuts. Bot. Ges. 9: pl. 9, f. 28--37. 
16. Dicaeoma Chaseanum Arthur & Fromme. 
Puccinia Chaseana Arth. & Fromme, Torreya 15: 264. 1915. 
O and I. Pycnia and aecia unknown. 
II. Uredinia amphigenous, numerous, scattered, oval, 0.3-0.5 mm. long, early naked, 
cinnamon-brown; paraphyses peripheral, numerous, incurved, cylindric, hyphoid, 5-9 by 30- 
35 w, the wall uniformly thin, 1 », colorless; urediniospores globoid or broadly ellipsoid, 22-28 
by 24-30 4; wall cinnamon-brown, moderately thin, 1.5-2, closely and finely echinulate, 
the pores 4, equatorial. 
III. Telia amphigenous, inconspicuous, few, long covered by the epidermis; teliospores 
obovoid or obovoid-clavate, 19-26 by 38-45 uw, truncate or rounded above, somewhat narrowed 
below, slightly or not constricted at septum; wall cinnamon- or chestnut-brown, darker above, 
1-1.5 » thick, moderately thickened above, 5-7 u; pedicel tinted. 
On PoacEAz: 
Anthephora hermaphrodita (L.) Kuntze (A. elegans Schreb.), Guatemala; Cuba; Grand Cay- 
man; Jamaica. 
TvPE LOCALITY: Jamaica, on Anthephora hermaphrodita. 
DISTRIBUTION: West Indies and Central America. 
17. Dicaeoma Anthephorae (Sydow) Arthur & Fromme. 
Uredo Anthephorae Sydow, Ann. Myce. 1:22. 1903. 
Puccinia Anthephorae Arth. & Johnston, Mem. Torrey Club 17: 137. 1918. 
O and I. Pycnia and aecia unknown. 
