FUNGI OF ICELAND 497 
267. L. maculare (Fries) De Notaris. 
Hysterium maculare Fries, Syst. Myc. II, p. 592. 
Hofsfjall [O. D.), Haukadalur and Gullfoss near Hvita (Feddersen). 
— On dead leaves of Vaccinium uliginosum and Salix glauca. 
268. L. petiolicolum Fuckel, Symbolae, p. 255. 
Hestahraun in Porvaldsdalur [O.D... — On petioles of Sibbaldia 
procumbens. 
Hysteriaceae. 
Lophium Fries. 
269. L. dolabriforme Wallroth, Sacc., Syll. fung. II, p. 800. 
Hüsafellsskögur [O. D.]. — On dead branches of Betula pubescens. 
Microthyriaceae. 
Myiocopron Speggazzini. 
270. M. calamagrostidis E. Rostrup (in mser.). 
Peritheciis membranaceis, dimidiato-scutatis, superficialibus, sparsis, 
radiato-striatis, margine eximie fimbriatis, minutissimis, usque ad 0,3 mm 
diametro, ostiolo latiusculo pertusis. 
Ascis clavatis, 37—40 u 1, 6—7 u cr., copiose paraphysatis. Sporis 
distichis, oblongis 8—10 1, 2x cr., guttulatis. 
Hraun (O. D.]. — On Calamagrostis stricta. 
Microthyrium Desmazières. 
271. M. Rubi Niessl, Kunze: Fungi selecti, No. 379. 
Almannagjä on Pingvellir (Feddersen), Hälsskögur and Vifilsstadahlid 
[P.L.). — On dead stems of Rubus saxatilis. 
Phacidiaceae. 
Rhytisma Fries. 
272. R. salicinum Fries, Vetensk. Akad. Handl. 1819, p. 104. 
Common throughout the country on dead leaves of Salix: Salix 
herbacea, S. glauca, S. lanata, S. phylicifolia. 
273. R. Bistortae (De Candolle) Rostrup, Gronl. Svampe 1888, p. 542. 
Xyloma Bistortae De Candolle, Flor. fr. VI, p. 153. 
Grimsey, Hof, Störi Nupur [0.D.). — On leaves of Polygonum 
viviparum. 
The Botany of Iceland, Vol, Il. part IN, 33 
