16 NORTH AMEJRICAN FLORA [V01.UME 7 



On Poaceae : 



1 Euchlaena luxurians^ Guatemala. 



Type collected near Guatemala City, March, 1906, by W. A. Kellerman {no. 5078), in a field 

 cultivated for fodder, apparently of teosinte. The elongate shredded outbreaks and the somewhat 

 larger, darker-colored and coarsely verruculose spores distinguish this species from Usiilago Zeae. 



40. Ustilago neglecta Niessl; Rab. Fungi Eur. 1200, 1868. 



Erysibe Panicorum Panici-glauci Wallr. Fl. Crypt. Germ. 2 : 216. 1833. 

 Ustilago Panici-glauci Wint.; Rab. Krypt. Fl. V- : 97. 1881. 



Sori in spikelets, infecting all of the spike, ovate, 2-3 mm. in length, enclosed by 



glumes, soon rupturing and disclosing a dusty dark-brown spore-mass ; spores dark-brown, 



usually ovoid to spherical or sometimes more elongate, prominently and abundantly 



echinulate, chiefly 10-14 fj-^in length. 



On Poaceae : 



Chaeiochloa glauca {Seiaria glauca) ^ Connecticut, Illinois, Indiana, Iowa, Kansas, Maine, 

 Massachusetts, Minnesota, Nebraska, New Hampshire, New Jersey, New York, Ohio, 

 South Dakota, Vermont, Wisconsin. 

 Type locality : Gratz, Austria, on Setaria glauca {Chaeiochloa glauca). 



BiSTRiEUTiON : New England and New Jersey to South Dakota and Kansas ; also in South 

 America and Kurope. 



Illustrations: Trans. Acad. Sci. St. Louis?: pl.28,f. 7-8; Bull. Conn. Geol. Nat. Hist. 

 Surv. 5 : / 49; Bull. Iowa Agr. Exp. Sta. 54 : /. 114 (7). 



ExsiCCATi: Ellis, N. Am. Fungi 2^(5; Seym. & Earle, Econ. Fungi, 65 a-h^ 65 c, C 81 ; Barth. 

 Ellis & Ev. Fungi Columb. 1700; Griff. West Am. Fungi 13. 



41. Ustilago Uniolae Ellis & Ev. Jour. Myc. 3 : 56. 1887. 



Sori in ovaries, showing between the glumes as slightly swollen ovoid bodies, about 

 2-4 mm. in length, rather firm, with a semi-agglutinated or finally dusty spore-mass ; spores 

 dark reddish-brown, oblong or ovate to spherical or occasionally angled and irregiilar, ob- 

 scurely and minutely verruculose, 9-13 fi in length. 



On Poaceae : 



Uniola laxa {U. gracilis), Delaware, Georgia, Mississippi, Texas. 

 Type locality : Texas, on Uniola gracilis {U. laxa). 

 Distribution : Delaware to Texas. 

 ExsiccATi: Seym. & Earle, Econ. Fungi C93, C 149. 



42. Ustilago Eriocauli (Massee) Clinton, Jour. Myc. 8 : 137. 1902. 



Cintractia Eriocauli Massee, Grevillea 22 : 67. 1894. 



Ustilago Eriocauli Clinton, Rhodora 3 : 82. 1901. (Type from Massachusetts, on Eriocaulon sep- 

 tangulare.) 



Sori in ovaries, inconspicuous, hidden by floral envelopes, black, ovoid, distinctly two- 

 lobed, usually 0.75 mm. long by 1 mm. wide, firm, with a tightly packed dark-olive spore- 

 mass ; spores polyhedral to subspherical or occasionally more elongate, rather prominently 



verruculose, 9-15 ," in length. 



On Eriocaulaceae : 



Eriocaulon septangulare Connecticut, Massachusetts, New Hampshire. 

 Type locality : Madagascar, on Eriocaulon fenesiratum. 

 Distribution : New England ; also in Madagascar. 

 Illustration : Rhodora 3 : 81, f. 2. 

 ExsiCCATi : Seym. & Earle, Econ. Fungi C 68. 



43. Ustilago ornata Tracy & Earle, Bull. Torrey Club 22 : 175. 1895. 



Sori in ovaries, rather inconspicuous, showing between the glumes as ovoid bodies 1-2 

 mm. in length; spores brown, chiefly subspherical or spherical, occasionally ovate or ovoid, 

 very conspicuously verrucose or echinulate, 10-14 (U in length. 



On Poaceae : 



Leptochloa mucronata, Mississii)pi. 

 Type locality : Starkville, Mississippi, on Leptochloa mucronata. 

 Distribution : Known only from the type locality. 

 ExsiCCATi : Ellis & Ev. N. Am. Fungi JJ^£?; Seyru. & Earle, Econ. Fungi 5-^2. 



44. Ustilago Sporoboli Tracy & Earle, Bull. Torrey Club 



23: 211. 1896. 



■Sori in ovaries, ovate, about 2 mm. i'n length, forming rather firm compact spore- 

 masses ; spores medium-dark reddish-brown, ovoid to spherical with prominent coarse sub- 

 hyaline tubercles, 11-15 /^ in length. 



