Ustilag-inacese, Ustilago. 505 



p. 199. — Soris totam paniculam inficieutibus et in massam rufo- 

 nigram et pulveraceam strictam transmutantibus; sporis subglo- 

 bosis 5-6 jj,. diam. v. ovoideis, 7 » 5, episporio crassiusculo, nigro- 

 brunneo, levi v. vix punctulato. 



Hab. in inflorescentia MacrochloiL! (Stipse) tenacissimse 

 in territorio Algeriensi-Tunetano Afric bor. — Ab Ust. segetum 

 satis diversa. 



42. Ustilago Miidbraedii Syd., Deutsche-Zentral Afrika Exped. (1907- 1987 

 1908) Bd. II, pag. 94. — Soris in ovariis evolutis oaque omnino 

 destruentibus, pulverulentis, atris, columella elongata, pluries ra- 

 mosa; sporis globosis, minute verruculosis, brunneis, 4-5 [j.. diam. 



Hah. in ovariis Andropogonis Schoenanthi Mpororo A- 

 fricce trop. — A ceteris speciebus in Andropogone vigentibus, 

 sporis minoribus prsedistincta species. 



43. Ustilago Schoenanthi Syd. et Butl., Ann. Mycol. IV (1906) p. 425. 1988 

 — Soris in ovariis evolutis, atro-fuscis, columella simplici v. fur- 

 cata V. interdum multiplici percursis, membrana cinerea e cellulis 

 globosis hyalinis composita tectis; sporis globosis vel subglobosis, 

 levibus, dilute brunneis, 6-8 [x. diam. 



Hab. in ovariis Andropogonis Schoenanthi, Alancolam, 

 Tinnevelli, Madras Indi;e or. (C. A. Barber et E. .T. Butleri. 



44. Ustilago Nardi Syd., Ann. Mycol. IV (1906) p. 425. — Soris in i989 

 ovariis evolutis, atro-brunneis, elongatis, columella elongata valde 

 prominente; sporis globosis vel subglobosis, levibus, olivaceo-brun- 

 neis, 6-9 [x. diam. 



Hah. in ovariis Andropogonis Nardi, Wynaad llills, Ma- 

 labar Indi;e (E. J. Butler). 



45. Ustilago congensis Syd., in De Wildem. Flore du Bas-et Moy.- 1990 

 Congo t. III, fasc. I (1909) Extr. p. 9. — Soris ovaria incoleu- 

 tibus eaque omnino destruentibus, 1-2 cm. longis, membraua plum- 



bea tectis, pulverulentis, atris; sporis globosis v. subglobosis, mi- 

 nute verruculosis, olivaceo-brunneis, 4-6,5 [j.. cr. 



Hah. in ovariis Andropogonis sp., Kisautu Cougo) april. 

 et sept. 1908 (Vanderyst). 



46. Ustilago Duthiei Ricker, Journ. of Mycol. (1905) p. 111. — Soris 1991 

 spicula,rum incolis, ovaria inficientibus, non doformautibus, dohi- 

 scentia tautum conspicuis, olivaceo-brunueis; sporis aureo-bruuneis, 

 ovoideis v. subsphoericis, 8-12 «j.. diam. 



Hab. in inflorescentia A n d r o p o g o u i s B I ad h i i , Denra Duu 

 IndisB (Duthie;. 



