516 Ustilagineaj, Dictyosporie, Urocystis. 



scure brunneis ; sporis periphericis stratd^implici interrupto, spoi: 

 centrales tegentibus, globosis, explanatis, 4-6 y.. diam., dilute bruu 

 neis; sporis centralibus mox germinantibus; sporidiolis cylindra- 

 ceis, raro copulantibus, at directe apice inferiori germinantibu> 

 mycelio annuo. 



Hab. in foliis, vaginis, culmis, petiolis, glumis Arrhenatheri 

 elatioris, Secales cerealis, Hordei vulgaris, Lolii 

 perennis, Tritici vulgaris, Alopecuri agrestis etPoae 

 pratensis in Germania, Belgio, Britaunia, Gallia et Amer. bor. — 

 « Au huc pertinet UroojsUs Alopecuri Frank?». 

 f 2. Urocystis Agropyri (Preuss) Schroet. Brand. u. Hostp. Schles. p. 

 *^ 7, Pilzfl. Schles. pag. 279, Uredo Agropyri Preuss in Klotzsch- 



Rabenh. Herb. myc. n. 1696, Uroc>/siis Fischeri Korn. in Hedwi- 

 gia 1877, pag. 34, Urocystis Preussii Kiihn in Rabenh. F. E. 

 n. 1898, Urocjstis Ulei Magnus in Rabenh. F. E. n. 2390. — So- 

 ris ut in U.occulta; glomerulis sporarura plerumque 20-26:^16- 

 20; sporis centralibus 1-3, 8-12 a. diam.; sporis periphericis stra- 

 tum simplicera incompletumque efficieutibus, 5-9 a. diam. 



Hah. in foliis caulibusque Tritici repeiitis, Agropyri 

 repentis, Arrenatheri elatioris, Festuca) rubra^, Bro^ 

 rai inermis, Caricis acutte, glaucce et muricatie in Ger-^ 

 raauia et Britannia. 

 3. Urocystis Festucae Ule iu Hedwigia 1886, pag. 114. — Habitus 

 fcro U. Agropyri; sporis centralibus raajoribus, periphericis rai- 

 noribus. 



Hab. in culrais foliisque Festucfe ovin^e in fagetis prope 

 Koburg Germani». — « An ab U. Agropyri notis allatis satis 

 diversa? ». 

 . 4. Urocystis Luzulae Schroet. Pilz. Schles. p. 279, Winter Die Pilze 

 -^ p. 120, Polycystis Luzulcc Schroet. in Cohn Beitr. II, p. 380. — 

 Soris atris, strias plura cm. longas, confluentes, epidermide tectas 

 e ca^rulescenti griseas eff^ormantibus ; gloraerulis globosis vel ob- 

 longis, 22-45^:15-26; sporis centralibus 2-5, rotundatis, 11-14 'j.. 

 diam., levibus, castaneo-brunneis; sporis periphericis stratum sim- 

 plicem eflformantibus, insimul aggregato-compressis, 6-8 v.. diam., 

 concoloribus. 



Hab. in foliis Luzula) pilosrc in Silesia Germanias. 

 5. Urocystis Colchici (Schlecht.) Rabenh. Fungi eur. n. 396, Winter 

 Die Pilze p. 120 pro parte, Schroet. Pilz. Schles. p. 280, Fisch. 

 Apercu p. 38, Polycyslis Colchici Strauss in Sturm D. C. Fl. p. 45, 



