562 NORTH AMERICAN FLORA (Volume 7 
94. Micropuccinia nivea (Holway) Arthur & Jackson. 
Puccinia nivea Holway, Jour. Myce. 11: 158. 1905. 
Polioma nivea Arth. Jour. Myc. 13: 29. 1907. 
O. Pyenia epiphyllous, in small groups, inconspicuous, honey-yellow, globoid, 130-160 » 
broad by 110-145 uw high; ostiolar filaments short; pycniospores globoid, 3-4 u in diameter. 
III. Telia chiefly hypophyllous, gregarious, often confluent, in compact groups 1-2 
mm. across, soon naked, round, pulvinate, 0.3-0.4 mm. in diameter, dirty-white becoming 
cinereous by germination, ruptured epidermis inconspicuous; teliospores clavate-oblong or 
cylindric, 21-23 by 48-61 yw, rounded or obtuse above, usually narrowed below, slightly con- 
stricted at septum; wall colorless, moderately thin, 1-2 u, slightly or not thickened above, 
smooth; pedicel hyaline, broad, short. 
On LAMIACEAE: 
Salvia purpurea Cav., Oaxaca. 
TYPE Locality: Oaxaca, Mexico, on Salvia purpurea. 
DisTRIBUTION: Known only from the type locality. 
95. Micropuccinia Physalidis (Peck) Arthur & Jackson. 
Puccinia Physalidis Peck, Bot. Gaz. 4: 218. Mo. 
Dicaeoma Physalidis Kuntze, Rev. Gen. 3#: 470. 1898. 
O. Pycnia not known, probably not formed. 
III. Telia hypophyllous, rarely epiphyllous evenly scattered over large areas, evidently 
from a distributed mycelium, at first punctiform, firm, becoming more or less pulverulent, 
small, round, 0.2-0.8 mm. across, somewhat tardily naked, chestnut-brown, ruptured epidermis 
conspicuous; teliospores variable, ellipsoid, obovoid, oblong, or rarely clavate, 16-26 by 
28-38 », rounded above, rounded, or less commonly narrowed below, slightly or not con- 
stricted at septum; wall cimnamon-brown , 1.5-3 » thick, not or very slightly thickened bove 
to 44, smooth; pedicel colorless, slender, once length of spore, or more commonly deciduous; 
mesospores occasionally intermixed. 
On SOLANACEAE: 
Physalis heterophylla Nees (P. viscosa Pursh not L.), Colorado, Nebraska; Manitoba. 
Physalis lanceolata Michx., Iowa. 
Physalis virginiana Mill., Wisconsin; Manitoba. 
Typr LocaLity: Colorado, on Physalis viscosa. 
DISTRIBUTION: Eastern Colorado to central Wisconsin, northward into Canada. 
ILLUSTRATION: Sydow, Monog. Ured. 1: pl. 18, f. 255. 
Exsiccati: Barth. N. Am. Ured. 161, 562; Ellis & Ev. Fungi Columb. 1652. 
96. Micropuccinia solanita (Schw.) Arthur & Jackson. 
Aecidium solanitum Schw.; Berk. & Curt. Jour. Acad. Phila. II, 2: 283. 1853. 
Puccinia claviformis Lagerh. Tromsé Mus. Aarsh 17: 53. 1895. 
Dicaeoma claviforme Kuntze, Rev. Gen. 33: 468, 1898. 
Puccinia solanite Arth. Mycologia 14:19. 1922. 
O. Pycnia unknown, probably not formed. 
III. Telia hypophyllous, densely gregarious and finally more or less confluent in irregu- 
lar or orbicular groups 0.5-2 cm. across, on yellowish or discolored spots, small, round, 0.2-0.5 
mm. across, at first punctate, compact, becoming somewhat pulvinate, somewhat tardily 
naked, chestnut-brown becoming cinereous by germination, ruptured epidermis at first notice- 
able; teliospores somewhat irregularly ellipsoid, obovate, or clavate, 16-26 by 32-46 yn, rounded 
above, rounded or more commonly narrowed below, usually slightly constricted at septum; 
wall cinnamon-brown, 1-2.5 thick, gradually thickened above, 3-5 4, smooth; pedicel 
colorless, or slightly tinted, one half length of spore or shorter; mesospores occasionally 
intermixed. : 
ON SOLANACEAE: 
Solanum Donnell-Smithii Coult., Panama. 
TypH LOCALITY: Surinam, on Solanum sp. 
DISTRIBUTION: Panama; also in northern South America. 
ILLUSTRATION: Sydow, Monog. Ured. 1: pl. 18, f. 262. 
