566 NORTH AMERICAN FLORA [Volume 7 
This species is correlated with Dicaeoma Andropogonis (Schw.) Kuntze, corresponding in 
part to the race having aecia on Scrophulariaceae. 
On ScROPHULARIACEAE: 
cet Besseyaia Britton (Gerardia tenuifolia macrophylla Benth., G. Besseyana Britton), 
inois. 
Dasistoma macrophylla (Nutt.) Raf. (Seymeria macrophylla Nutt., Afzelia macrophylla 
Kuntze), Hlinois, Indiana, Kansas, Nebraska, Ohio. 
Type LocaLity: Bloomington, Illinois, on Seymeria macrophylla. 
DiIstRIBUTION: Upper Mississippi Valley from Northern Ohio to Eastern Kansas and Nebraska. 
Exsiccati: Barth. Fungi Columb. 3368; Ellis & Ev. N. Am. Fungi 1835, 2249; Kellerm. Ohio 
Fungi 176; Sydow, Ured. 1717. 
106. Micropuccinia nesodes (Arth. & Holway) Arthur & Jackson. 
Puccinia nesodes Arth. & Holway; Arth. Mycologia 10: 138. 1918. 
O. Pyenia unknown. 
III. Telia chiefly hypophyllous, more or less confluent in circular groups 1-6 mm. across, 
early naked, round, 0.1-0.5 mm. in diameter, pulvinate, chestnut-brown, becoming cinereous 
by germination, ruptured epidermis inconspicuous; teliospores obovoid or ellipsoid, 14-19 
by 26~40 yu, rounded above, narrowed or rounded below, slightly constricted at septum; wall 
golden- or light cinnamon-brown, thin, 1.5-2.5 4, gradually thickened above to 3-7 yw, smooth; 
pedicel colorless, once or twice length of spore. 
ON ScROPHULARIACEAE: 
Castilleja communis Benth., Guatemala. 
Castilleja tenuiflora Benth., Guatemala. 
Lamourouxia Gutierrezii Oerst., Costa Rica. 
Lamourouxia viscosa H.B.K., Costa Rica. 
TYPE LocaLity: Tres Rios, near San José, Costa Rica, on Lamourouxia viscosa. 
Distrrisution: Central America. 
107. Micropuccinia Veronicarum (DC.) Arthur & Jackson. 
Puccinia Veronicarum DC. Fl. Fr. 2: 594. 1805. 
Puccinia Veronicarum fragilipes Korn. Hedwigia 16: 1. 1877. 
Puccinia Veronicarum persistens Kérn. Hedwigia 16: 1. 1877. 
Puccinia Veronicae Wint. in Rab. Krypt.-Fl. 1!: 166. 1881. Not P. Veronicae Schroet. 1879, nor 
Schum. 1880. 
Dicaeoma Veronicarum Kuntze, Rev. Gen. 33: 471. 1898. 
Leptopuccinia Veronicarum Sydow, Ann. Myc. 20: 121. 1922. 
O. Pycnia unknown, probably not formed. 
III. Telia hypophyllous, scattered and solitary or more commonly gregarious and more 
or less confluent in small groups 1-3 mm. across, small, 0.2-0.5 mm. in diameter, early naked, 
pulverulent sori chestnut-brown, often arranged in concentric manner around a central pul- 
vinate sorus, pulvinate sori cinnamon-brown, becoming cinereous by germination; teliospores 
ellipsoid, oblong, or oblong-terete, 16-19 by 32-45 y», rounded or obtuse above, rounded or 
more commonly narrowed below, usually noticeably constricted at septum; wall golden- 
or light cinnamon-brown, 1.5-3 » thick, paler and thickened above, 4-7 u, smooth; pedicel 
colorless, short, deciduous or in pulvinate sori equaling spore. 
On ScCROPHULARIACEAE: 
Leptandra virginica (L.) Nutt. (Veronica virginica L,.), lowa, Wisconsin. 
TYPE LocaLiry: France, on Veronica Ponae. 
DisTRIBUTION: Iowa and Wisconsin; also in Europe. 
ILLUSTRATIONS: Ber. Deuts. Bot. Ges. 8: pl. 12, f. 12-17; Beitr. Krypt. Schweiz 22: f. 236; 
FI. Ital. Crypt Ured. f. 60a, b; Bull. Lab. Nat. Hist. Univ. Iowa 3?: pl. 2, f. 9a, b; Grove, Brit. Rust 
Fungi f. 120. 
Exsiccati: Arth. & Holway, Ured. Exs. Ic. 9a, b; Barth. N. Am. Ured. 1675. 
108. Micropuccinia albulensis (P. Magn.) Arth. & Jackson; 
Arth. Bull. Torrey Club 48: 42. 1921. : 
Puccinia Veronicae Schum.; Wint. Hedwigia 19: 164. 1880. Not P. Veronicae Schroet. 1879. 
Puccinia albulensis P. Magn. Ber. Deuts. Bot. Ges. 8: 169. 1890. 
Dicaeoma albulense Kuntze, Rev. Gen. 33: 467. 1898. 
O. Pyecnia unknown, probably not formed. 
III. Telia amphigenous and caulicolous, chiefly from a distributed mycelium, evenly 
disposed over considerable areas of internodes and leaves, small, round, 0.2-0.4 mm. across, 
