Part 4, 1920] AECIDIACEAE 289 
teliospores broadly ellipsoid or oblong, 23-26 by 32-37 », rounded at both ends or slightly 
narrowed below, usually somewhat constricted at septum, the septum often oblique or nearly 
vertical; wall chestnut-brown, 1.5 « thick, thickened up to 4 » above; pedicel slightly tinted, 
short. 
On PoackasE: 
Chaetochloa macrosperma Scribn. & Merr., Florida. 
Chaetochloa onurus (Willd.) Scribn. & Merr., Cuba; Jamaica. 
Chaetochloa setosa (Sw.) Scribn. (Setaria setosa L.), Cuba. 
Paspalum glabrum Poir. (P. Helleri Nash), Porto Rico. 
Paspalum orbiculatum Poir., Porto Rico. 
Paspalum secans Hitche. & Chase, Porto Rico. 
TYPE Locauity: Miami, Florida, on Chaetochloa “macros perma. 
DistTRiBuTIoN: Southern Florida and the Greater Antilles. 
22. Dicaeoma inclitum (Arth.) Arthur & Fromme. 
Puccinia inclita Arth. Bull. Torrey Club 46: 115. 1919. 
O and I. Pyenia and aecia unknown. 
II. Uredinia amphigenous, scattered or loosely grouped on slightly discolored areas, 
elliptic or linear-oblong, 0.2-0.4 mm. wide by 0.5-] mm. long, tardily naked, pulverulent, 
brownish-yellow, ruptured epidermis conspicuous; urediniospores globoid or ellipsoid, 22-26 
by 24-32 uw; wall pale-yellow or brownish-yellow, thin, 1-2 u, coarsely and sparsely echinulate, 
with elongate, sharply pointed markings, the pores obscure, 3, approximately equatorial. 
III. Telia amphigenous, scattered, elliptic or oblong, 0.4-1 mm. long, usually somewhat 
tardily naked, chocolate-brown, ruptured epidermis conspicuous; teliospores broadly ellipsoid 
or oblong, 26-29 by 35-40 uw, rounded at both ends, very slightly or not constricted at septum, 
often with mesospores intermixed, 23-27 by 26-29 uw; wall chestnut-brown, 2.5-3.5 mw thick in 
upper cell and somewhat thinner in lower cell, thickened above, 3-6 » and frequently slightly 
lighter in color, smooth; pedicel golden-brown or paler, of uniform diameter, about one and one 
half times length of spore. 
On PoacEaE: 
Ichnanthus pallens (Sw.) Munro, Porto Rico. 
Oplismenus hirtellus (I,.) Beauv. Porto Rico. 
Type LOCALITY: Porto Rico, on Ichnanthus pallens. 
DISTRIBUTION: Porto Rico. 
23. Dicaeoma substriatum (Ellis & Barth.) Arth. Résult. Sci. 
Congr. Bot. Vienne 344. 1906. 
Puccinia substriata Ellis & Barth. Erythea 5:47. 1897. 
O and I. Pycnia and aecia unknown. 
II. Uredinia amphigenous, scattered, elliptic or linear-oblong, somewhat bullate, 0.4- 
1.5 mm. across, rather early naked, pulverulent, cinnamon-brown, ruptured epidermis con- 
spicuous; urediniospores broadly ellipsoid or obovoid-globoid, 19-30 by 24-35 wu; wall cin- 
namon-brown, moderately thick, 1.5-2.5 u, moderately or sparsely and noticeably echinulate, 
the pores 3 or 4, equatorial or approximately equatorial, rather prominent. 
III. Telia amphigenous, scattered, elliptic or linear-oblong, 0.5-1.5 mm. across, early 
naked, pulverulent, chocolate-brown, ruptured epidermis conspicuous; teliospores oblong, 
ellipsoid or clavate, 18-24 by 29-48 y, rounded or truncate above, slightly narrowed or rounded 
below, slightly constricted at septum; wall chestnut-brown, 1-2 thick, thickened above, 
3-4'u, smooth; pedicel slightly tinted near the spore, colorless below, about one-half length of 
spore. 
On PoacEak: . . . . 
Chaetochloa geniculata (Lam.) Millsp. & Chase (C. imberbis Scribn., Selaria purpurascens 
H.B.K.), Florida; Panama; Cuba; Jamaica; Porto Rico. 
Chaetochloa vertcillaia (L,.) Seribn., Bermuda; Cuba. 
Eriochloa Lemmoni Vasey & Scribn., Morelos. 
Eriochloa subglabra (Nash) Hitchc., Porto Rico. 
Paspalum Bushii Nash, Oklahoma. | 
Paspalum ciliatifolium Michx., Florida, Texas. 
Paspalum Curtisianum Steud., Florida. ‘ 
Paspalum denticulatum Trin. (P. lividum Trin.), Texas. 
