186 Ustilaginacese, Sphacelotheca. 



SPHACELOTHECA De Bary. — Syll. VII p. 499. 



1. Sphacelotheca Hydropiperis (Sohum.) De Bary — Syll. VII, f. 499. 1652 



var. borealis Olint. North Anior. Ustil. in Proceed. Boston. 

 Soc. 1904, pag. 395. — A typo differt sororum (■olumella robu- 

 stiore et pseudomembrana minus prominente, cellulis sterilibus 

 hyalinis vel dilute coloratis, subsphairicis, crassiuscule tunicatis ; 

 sporis paullo minoribus quam cellulis sterilibus, violaceo-purpu- 

 reis, ovoideo-splneriois vel subirregularibus, vix minutissime gra- 

 nulosis vel fere levibus 8-11 ;x. long. 



Hab. in ovariis Polygoni bistortoidi s, Washington et Wyo- 

 ming Amer. bor. 



2. Sphacelotheca Chrysopogonis Clint. North Amer. Ustil. in Pro- 1653 

 ceed. Boston Soc. 1904, p. 387. — Soris ovaria omnia plerumque 

 occupantibus, linoari-oblongis, 3-5 mm. longis, inter glumas mem- 

 branas steriles et massas sporarum semi-agglutinatarum. nigras, 

 formatibus; columella minuta sed evidenti; cellulis sterilibus hya- 

 linis, sa-pe iu glomerulos secedentibus, subsphsericis, sporis paullo 

 latioribus; sporis rufo-brunneis, ovoideo-subsphaericis, subinde an- 

 gulosis, socpe intus punctatis, obscure verruoulosis, vel sublevibus 

 8-11 [x. longo. 



Hab. in ovariis Chrysopogonis nutantis, Chappala Me- 

 xici. — Inter Sph. Sorghi et Sph. moniliferam media speoies. 



3. Sphacelotheca Seymouriana Clint. North Amer. Ustil. in Proceed. 1,,rjl 

 Boston Soc. 1904, pag. 387, Sorosporium Syntherismcv (S.) Farl. 



p. p., Sorosporium Ellisii "VVinter p. p. — Soris ovaria oocupan- 

 tibus et massas lineares 4-7 mm. longas formantibus et inter glu- 

 mas extendentibus, apice erumpentibus et columellam sporasque 

 agglutinatas ostendentibus ; cellulis sterilibus hyalinis, vulgo sub- 

 sphajricis ot membranam irregularem formantibus, sporas magni- 

 tudine aequantibus; sporis l;ete brunneis, vulgo subsphsericis vol 

 polyhedricis, rarius ovoideis 7-12 ;j.. longis, sublevibus, contentu 

 saepe lacunoso. 



Hdb. in ovariis Andropogonis virginioi, Alabama, ct 

 Andropogonis spec. Georgia Amer. bor. 

 1 Sphacelotheca Paspali-notati (Henn.) Clint. in Journ of Mycol. 1655 

 1902, p. 140, Ust. Paspali-notati Henn. sp. n. in herb. Holway. 

 — Soris linearibus, 4-6 om. longis; sporis rubro-brunneis, ovoi- 

 deo-globosis vol subangulosis, minuto verriu ulosis, 7-10 a. diam. 



Hah. m inflorescentia Pas pali-notati, in Mexico Amer. bor. 

 5. Sphacelotheca pamparum (Speg.) Clint. in Journ. of Myool. 1902, 



