Pvrenomycctie, PerJsporiacetP, Eurotiesp, I.aaseomycw. 405 



30 in pedicelJum brevera crasfiiiiscuiun producti.s, ovoideis con- 

 «tanter bisporis; sporidiis ovoideis, 28» 12; haustoriis fuhgineis, 

 vage ramosis, cum mycelio intertoxtis. 



Hah. in foliis Astragali, Psoraleoe Drupaceae et Ci- 

 ■ceris soongorici in valle fliim. Seravsclian Aaiie ceuir. (Ko- 

 WABOv). — Ab E. taurica Lev. dilfert prsecipue haustoriie fuligi- 

 ueis, at) E. Dur/cui Lpv. mycelio copioso, persistente. 

 3. Erysiphe deserticoia Speg. Fg. Arg. novi v. crit., p. 242 1899]. looo 

 — Amphigena; subiculo tenui, e pulverulento membranaceo-sub- 

 crustaceo, matrici arctissime adpresso, canesceute, ex hyphis den- 

 sissime intertextis tenuibus 3-4 fx. crassis, ramulosis, septulatis, hya- 

 linis efformato; peritheciis paucis, sparsis, amphigenis, globoso- 

 ■depressis, 100-150 'j.. diam., atris, levibus, astomis, hyph.is basah- 

 hns paucis radiantibus radicatis, tenui-membranaceis, contextu 

 minutei parenchymatico e ferrugineo ochraceis; ascis paucis, ovatis 

 V. obovatis, 50-60 v 25-35, brevissime stipitatis, aparaphysatis, 2- 

 4-sporis; sporidiis subcylindraceis, 40 « 12, utrinque obtusissimis, 

 ■e latere, prtecipue in parte media, compressis, levibus, Kyalinis, 

 tenuiter tuuicatis, nubiloso-farctis. 



Hab. in tohis vivis Hoffmanseggine spec. in deserto Valle 

 de Santa Maria,^ prov. Salta Argentinse. 

 4. Erysiphe Lanatae P. Magn. Verhandl. Zool.-botan. Gesellsch. Wien 1501 

 1899, p. 100, tab. III, fig. 20-22. — MyceJio denso, albo; peri- 

 theciis 120-150 u. diam., appeudicibus basi tantum brevibus hya- 

 linis pra^ditis, a-scos muitos (ca. 20) incJudentibus; ascis 3-5-sporis; 

 sporidiis ovatis, 27 v 13'/j. 



ffab. in foliis .E uphorbise Janatje in prov. Farsistan Per- 

 «i;e (Bornmuller). 



IVih. 2. Eurotieae Sacc. 



ALLESCHERIA Sacc. et Syd. — SyJI. XIV, p., 464 (1899 . — Syn. 

 Eurotiella Lindau in Engler u. Prantl, Natiirl. Pflanzenfam. Fg. 

 imperf., p. 383 in not^ (1900). 



LAASEOMYCES Ruhland, Verhandl. Bot. Ver. Prov. Brandbg. 

 XXXXI, p. 83 (Etym. ab vico Laase, prope quem viget, et my- 

 ces fungus). — Mycelium rhizoideum, flavescens v. rarius hyali- 

 num. Perithecia globosa t. plus minus verticaliter elongrita, sub- 

 oarnosa, hyalino-subflava, scssilia, vertice plerumque ^aa semper?) 



