414 NORTH AMERICAN FLORA [VoLUME 7 
mon-brown, ruptured epidermis noticeable; urediniospores globoid, broadly ellipsoid or obo- 
void, 16-21 by 18-23 y; wall cinnamon-brown, 1-2 p thick, closely or moderately echinulate, 
the pores 2 or 3, subequatorial or approximately equatorial. 
III. Telia usually hypophyllous, numerous, scattered or sometimes crowded in groups of 
two to four sori, round, small, 0.3-1 mm. in diameter, early naked, loosely pulvinate at first, 
becoming pulverulent, blackish-brown, ruptured epidermis noticeable; teliospores broadly 
ellipsoid, 26-32 by 32-42 u, rounded above and below, slightly constricted at septum; wall 
chestnut-brown, thick, 3-6 u, thickened at apex into somewhat lighter umbo, 7-10 u, promi- 
nently verrucose with markings uniting in short lines giving a coarsely verrucose appearance, 
or uniting to form more or less perfect reticulations; pedicel persistent, hyaline, broad, 7 yp, 
tapering downward somewhat, up to 90 uw long, thin-walled, 1—1.5 » thick. 
ON LAMIACEAE: 
Salvia fluviatilis Fernald, Morelos. 
Salvia mexicana L,., Mexico (state), Michoacan. 
Salvia polystachya Ortega, Mexico (state), Michoacan; Costa Rica; Guatemala. 
Salvia purpurea Cav., Jalisco, Oaxaca; Guatemala. 
Salvia sesstlifolia Baker, Jalisco. 
Salvia tiliaefolia Vahl, Michoacan. 
TYPE LOcALIty: Patzcuaro, Michoacan, on Salvia mexicana. 
DisTRIBUTION: Throughout the southern half of Mexico and in Guatemala. 
ExsiccaTl: Barth. N. Am. Ured. 247, 1561. 
220. Dicaeoma gentile Arthur. 
Puccinia gentilis Arth. Bull. Torrey Club 46:118. 1919. 
Oand I. Pycnia and aecia unknown. 
II. Uredinia hypophyllous, scattered, round or elliptic, 0.3-0.8 mm. across, early naked, 
pulverulent, cinnamon-brown, ruptured epidermis conspicuous; urediniospores oblate-spheroid, 
23-26 » broad by 19-24 uw, high, or globoid to obovoid, 21-23 by 21-28 uw; wall dark cinnamon- 
brown, 1.5-2 » thick, moderately and strongly echinulate, the pores 2 or 3, subequatorial or 
approximately equatorial. : 
III. Telia hypophyllous, scattered, round, 0.3-0.8 mm. in diameter, early naked, be- 
coming pulverulent, blackish-brown, ruptured epidermis conspicuous; teliospores broadly 
ellipsoid, 27-32 by 35-45 w, rounded above and below, not constricted at septum; wall dark 
chestnut- or chocolate-brown, thick, 3-5 uy, thickened over the germ-pore into a yellowish 
umbo, 7-10» thick, moderately verrucose with markings uniting into short irregular lines 
giving a coarsely verrucose appearance; pedicel colorless, up to 100 u long, with thin walls, 
1 » or less. 
On LAMIACEAE: 
Salvia alamosana Rose, Oaxaca. 
TYPE LOCALITY: Oaxaca Mexico, on Salvia sp. 
DISTRIBUTION: Oaxaca. 
221. Dicaeoma prosperum Arthur. 
Puccinia prospera Arth. Bull. Torrey Club 46: 118. 1919. 
O and I. Pycnia and aecia unknown. 
II. Uredinia amphigenous, scattered, round, 0.2-0.8 mm. in diameter, early naked, pul- 
vertlent, cinnamon-brown, ruptured epidermis evident; urediniospores oblate-spheroid, 25- 
30 » broad by 20-32 » high; wall cinnamon-brown, 1.5 « thick, moderately and rather strongly. 
echinulate, the pores 2 or 3, subequatorial. 
III. Telia hypophyllous, scattered, round, 0.2-0.8 mm. in diameter, early naked, pulveru- 
lent, chestnut-brown, ruptured epidermis evident; teliospores broadly ellipsoid, 27-32 by 35- 
40 uw, rounded above and below, not constricted at septum; wall chestnut-brown, rather thin, 
1-2.5 w, thickened over the pores, 5—7 4, obscurely verrucose-rugose; pedicel colorless, fragile, 
up to 60 uw long, thin-walled. 
On LAMIACEAE: 
Salvia microphylla H.B.K., Hidalgo, Mexico (state). 
Type Locality: Pachuca, Mexico, on Salvia microphylla, 
DistRIBUTION: Southern Mexico. 
