460 Ustilagineae, Amerosporae, Ustilago. 



35. Ustilago leucoderma Berk. Fungi S. Doiiingo n. 54, Fiscli. Aperg. i 

 p. 10. — Soris atris, inaculis inagnis insidentibus, crusta albida 

 in?equali subvelatis; sporis rotundatis, rarius irregularibus, 13-17 

 ij.. diaai., opacis, atri.«, levibus, 



Hab. in vaginis foliorum Caricis et Cyperaceae (?) cujus- 

 dam in St. Domingo et in insula Borneo; in vaginis Rhyncho- 

 spora; aureae ad Ratnapoora. 



36. Ustilago? dubiosa Speg. Fungi Argentini pugillus IV, n. 48. — ] 

 Soris coroUam tumefacientibus ac eam strato tenui interne, precipue 

 ad basim induentibus, compactiusculis, fusco-griseis vel fusco-sub* 

 violascentibus ; sporis primo in hyphis tortuoso-intestiniformibus, 

 irreguiariter ramuloso-capitatis, dense geniculato-incrassatis, stri- 

 gose intertextis, muco vestitis coalescentibusque acrogenis, deia ] 

 liberis, globosis, e mutua pressione angulosis, episporio tenui, le- 1 

 vissimo, dilute fumoso-subviolascente tectis, protoplasraate granu- 

 loso farctis, 15-20 u.. diam, , 



JJaO. ad flosculos capitulorum Conyzce gr a m i n i fol i a; in I 

 herbosis campestribus secus el Rio de la PIa*a, Recoleta in Re- 

 publica Argentina. — Species valde dubia, corollam bulloso-infl.i- 

 tam, extus famen perfecte colore naturaque immutatam, efriciens; 

 cavum internum a larva Biptetn speciei cujusdam semper habi- 

 tatum. — (( An Ciniractia'? y» 



37. Ustilago Carphae Speg. Fungi Fuegiani n. 128. — Soris ovaria j, 

 tantum implentibus eaque globose inflantibus, mox denudatis, com- 

 pactiusculis, friabilibus, aterrimis; sporis globosis e mutua pre^ 

 sione obtuse angulatis, 18-20 y.. diam., levissimis, opace atro-fuli- 

 gineis, nucleo subpellucido donatis. 



JJab. ad spicas juveniles CarphiB schoenoidis prope Por 

 Cook in alpinis Ilaten Irland Americoe australioris. 



38. Ustilago Maclagani Berk. North Amer. Fungi n. 572, Fiscli. ,, 

 Aperc'. p. 18. — Soris atris; spoi-is in spicis nidulantibus, obova- 

 tis, levibus angulatisque, 18-22 a. diam. 



JJah. in paniculis, quaruin flores deformat, I\anici virgai. 

 pr, INIontreal .\mer. borealis (Dr. Maclagan). 



39. Ustilago marmorata IkMk. .Vustralian Fungi n. 204. — Coni- ,, 

 pacta, epidermido noiuhim IVacla marmorata ; sporis ovatis, 12^ 

 6,5, levibus. 



Jlah. in foliis Isolepidis prolifora; ad M. Gambrer Au- 

 stralia». 



