Part 7, 1922] AECIDIACEAE 501 
39. Bullaria (?) concinna (Arth.) Arthur & Mains. 
Puccinia concinna Arth. Bot. Gaz. 40: 205. 1905. 
O. Pycnia unknown. 
II. Uredinia amphigenous, scattered, roundish, 0.25-0.5 mm. across, soon naked, light 
cinnamon-brown, pulverulent, ruptured epidermis conspicuous; urediniospores globoid or 
obovoid, 19-23 by 23-28 4; wall cinnamon-brown, thin, I1-1.5 4, moderately and minutely 
echinulate, the pores 2, occasionally 3, approximately equatorial. 
III. Telia chiefly hypophyllous, scattered, roundish, 0.3-0.6 mm. across, soon naked, 
blackish, pulvinate, ruptured epidermis conspicuous; teliospores oblong or ellipsoid, 26-30 
by 40-48 », rounded or obtuse above, rounded below, slightly or not constricted at septum; 
wall chocolate-brown, obscurely granulose-verrucose, appearing smooth, thick, 3-5 , thicker 
above, 6-104, concolorous; pedicel colorless, except next to spore, delicate, once to thrice 
length of spore, usually deciduous and appearing short. 
On CARDUACEAE: 
Conoclinium Greggit (A. Gray) Small (Eupatorium Greggii A. Gray), Chihuahua. 
Tyre LocaLity: Sierre Madre, Mexico, on Eupatorium Greggii. 
DISTRIBUTION: Known only from the type locality. 
40. Bullaria (?) basiporula (Jackson & Holway) Arthur & Mains. 
Puccinia basiporula Jackson & Holway; Arth. Am. Jour. Bot. 5: 528. 1918. 
O. Pycnia unknown. 
II. Uredinia hypophyllous, few, scattered, round, small, 0.2-0.3 mm. across, early naked, 
pulverulent, cinnamon-brown, ruptured epidermis noticeable; urediniospores globoid, some- 
times flattened at hilum, 21-24 » in diameter; wall cinnamon-brown, thin, 1-1.5 yu, closely 
and finely echinulate, the pores 2, near the hilum. 
III. Telia chiefly hypophyllous, scattered, round, small, 0.3-0.5 mm. across, early naked, 
somewhat -pulverulent, blackish-brown, ruptured epidermis inconspicuous; teliospores ellip- 
soid, 23-26 by 32-35 p, rounded at both ends, slightly constricted at septum; wall chestnut- 
brown, 1.5-2.5 uw, thickened at apex and over pore of lower cell to 5 yu, closely and distinctly 
verrucose; pedicel colorless, persistent, 7 u in diameter, the wall thin, once and a half to twice 
length of spore, often attached obliquely. 
On CaRDUACEAE: 
Exupatorium Mairetianum DC., Guatemala. 
Eupatorium Mairetianum adenopodum B. 1. Robinson, Guatemala. 
Eupatorium rafaelense Coulter, Guatemala. 
Type LocaLity: Cerro Quemado, Quezaltenango, Guatemala, on Eupatorium Mairetianum 
adenopodum. 
DISTRIBUTION: Western Guatemala. 
Exsiccati: Kellerm. Fungi Sel. Guat. 14. 
41, Bullaria (?) Hodgsoniana (Kern) Arthur & Mains. 
Puccinia Hodgsoniana Kern; Arth. Am. Jour. Bot. 5: 526. 1918. 
O. Pycnia unknown. 
II. Uredinia hypophyllous, scattered, or occasionally gregarious and confluent, small, 
round, 0.25-0.5 mm. across, eatly naked, pulverulent, chestnut-brown, ruptured epidermis 
conspicuous; urediniospores ellipsoid or obovoid, 19-26 by 24-30%; wall chestnut-brown, 
1.5-2.5 » thick, moderately and finely echinulate, the pores 2, near the hilum, rarely 3, all 
at hilum, or one of the three near the apex. 
III. Telia chiefly hypophyllous, scattered, small, round, 0.5—0.8 mm. across, early naked, 
pulverulent, blackish-brown, ruptured epidermis inconspicuous; teliospores oblong or ellip- 
soid, 24-29 by 40-45 4, rounded or obtuse above, rounded below, scarcely constricted at 
septum; wall chestnut-brown, 3-4 » thick, lighter colored and thicker at apex, 5-9 y, equally 
thickened over pore of lower cell, closely and prominently verrucose; pedicel colorless, once 
to twice length of spore, occasionally attached obliquely. 
ON CARDUACEAE: 
Eupatorium phoenicolepis guatemalensis B. L. Robinson, Guatemala. 
Eupatorium Schulizii erythranthodium B. L,. Robinson, Guatemala, 
