870 Ustilaginaceae, Ustilago 



17. .Ustilago Hilariae P. Henn. Hedu-. 1898, f. 267. - Soris in epi-' 

 caiis evolutis, "atris, membrana albida subvelatis ; sporis subglobo- 

 sis, fiavo-brunneolis, 1-2-guttulatis, 6-8 jti. diam , episporio ievi 

 brunneo. 



Hab. in spicis HilarifB cenchroidis prope urbem Mexico 

 Amer. centr. (HolwayV 



18. Ustiiago goniospora Massee, Bull. Miscell. Inform. Roy. Gard. l:i 

 Kew, p. 183 (1899]. — Soris nigro-olivaceis, setate provecta brun- 

 neo-vioiaeeis, in ovariis evolutis ; sporis irreguiaribus, sphaeroideO- 

 angulatis, 10-12 ^. diam., episporio crassiuscuio levissime, mox se- 

 cedentibus et dein puiverem atro-violaceum efformantibus. 



Hah. in ovariis AristidsB spec, Ukamba in Africa or. 



19. Ustllago Panlcf-proliferi P, Henn. Botan. Gazette 1899, p 274. 13 



— Soris in paniculis evolatis easque omnino destruentibus, mem- 

 brana cinerea tectis, dein pnlveruientis, atro-olivaceis; sporis sub- 

 globosis, acutangulis, pallide olivaceo-fuscis, intus granulatis, 7-9 

 fj. diam., levibus. 



liah. \n paniculis P a n i c i p r o 1 i f e r i var. a c u m i n a t i in 

 Mexico (Holway). 



20. Ustilago Panici-carthagenensis Speg. Fg. Arg. novi v. crit., p. 207 iJ 

 (1899). — Soris typice paiiiculas totas nondum evolutas et adliuc 

 vaginis inclusas ambientibus et vix tumescentibus, globosis, 2-5 

 mm. diam., non vel vix extus macula pallescenti indicatis, duris, 

 compactiusculis, intus aterrimis granulosis ; sporis globosis v. el- 

 lipsoideis, e mutua pressione siepius rugulosis vel difformibus, le- 

 vissiimis, tenuis^ime tunicatis, endopiasmate granuloso farctis, oli- 

 vaceis, pellucidis, 8-10 « 6-7. W 



i/a6. in inflorescentiis Panici carthagenensis in Cerro de 

 Montevideo, CTruguay (Arechavaleta) — SpeciQs a cl. Wintero fi 

 sub UsHlagine Panici-miliacei (Pers.) edita, sed, etiamsi satis affi- 

 nis, notis plurimis recedens. 



21. Ustilago Negeriana Diet. Hodw. 1898, p. (147). — Massa spora- U 

 rum atra, o\aria haud amplificata complente; sporis levibus oliva- 

 ceo-brunneis, ellipticis v. subglobosis, 7-11 %< 7-9. 



Hcih. in ovariis Panici Urvilleaiii pr. Yumbe), ChiJe (Ne- 

 QrER). — Species satis inconspioua. 



22. Ustilago globigena Speg. Fg.Arg. novi v. crit., p. 208 (1899). i; 



— Spiculis infectis hinc inde sparsis, parum manifestis, inter nor- 

 males absconditls, in globulum 1-3 mm. diam. durum trausforma- 

 tis, extus fuscis, intus atro-fuscis : sporis dense constipatis, globo- 



