Deuteroinycctii', Mucediiiacejt, llyalodidymie, Didymaria. 541 



colis, depressis, oidiaceis, ex albo csBsiis; hypliis generis; conidiis 

 13-19 » 3,6, hyaliuis, medio 1-septatis, non constrictis, loculo su- 

 periore sensim crassiore, lateraliter adunco, intus conspicue nubi- 

 loso-granuloso, inferiore tenuioro ot vix granuloso. 



Ilah. in foliis vivis Secalis, Tritici, Hordei, quibus certe 

 noxium, in Silesia, in Borussia rhenana, in Marchia, Mecklenburg. 

 Holstein, Guestphalia, Tiroh:i ct verisimiUter late dififusum etsi 

 hucusque fere ignoratum. 



DIDYMARIA Corda — Syll. IV p. 184, X p. 550, XI p. 601, XIV 

 p. 1058, XVI p. 1039. 



1. Didymaria Lindaviana Jaap in Lindau Abh. Bot. Ver. Brand. ^^ 

 1905, pag. 70. — Maculis pallidis initio acute nigro-marginatis, 

 demum totum folium occupantibus; csespitulis atris iniuqualiter 

 sparsis, myceho in parenchymate folii immerso; conidiophoris 

 fasciculatis hypophyllis ex stomatibus erumpentibus simplicibus 

 rectis parce flexis plerumque uniseptatis, hyalinis, 75-100^4 G; 

 conidiis soHtarie acrogenis, facilo deciduis, hyalinis, oblougo-elli- 

 psoideis, rotundatis 25-38^7-5, rarius tantum 15 (x. long., medio 

 1-septatis. 



Hah. in foliis Vicise CracciB prope Triglitz Germani£e 

 (Jaap). 



2. Didymarla Asteris Oud. in Ned. Kruidk. Arch. 3 Ser. II, 4, 1903, 5303 

 p. 901. — Maculis amphigenis, latis, irregularibus, albidis; hyphis 

 filiformibus. simplicibus, continuis, hyalinis ; couidiis acrogenis, 

 solitariis, elliptico-ovatis, hyalinis, septatis, medio paullo constrictis 

 16-18,5 « 9-10. 



Ilah. in foliis Asteris speciei culk^, Nunspeet Hollandicie 

 (Beins). 



3. Didymaria conferta H. et P. Syd. Ann. Mycol. 1905, p. 186. — 5304 

 Maeulis amphigenis, irregularibus, singulis minutis sed ssepe con- 

 fluendo majoribus et subinde late expansis, fusco-brunneis ; caespi- 

 tulis hypophyllis, raro etiam epiphyllis, dense confertis, albis; 

 hyphis non manifestis; conidiis oblongis vel oblongo-fusoideis, 

 utrinquo rotundatis, pleruraque rectis, primo continuis, dein 1-se- 

 ptatis, non constrictis, hyalinis, 20-35 » 9-14. 



Ilah. in foliis vivis Wyethi^e amplexicaulis, Salt Lake 

 Co. Utah Amer. bor. (A. 0. Garrett). — Didijmaria aquatica 

 Starb. (1895) — Syll. XIV p. 1058 — teste Hohn. eadem est ac 

 Ramularia Alisinatis Fautr. (1890). 



