Hypodermese, Ustilaginese, Cintractia. 285 



subangularibus, 8-12 5 6-10, raembratia circ. 0,5 ,u. cr,, irregula- 

 riter et parce tuberculato-aculeatis, aculeis 1,5-3 u.. long., conte- 

 xtu homogeneo vel saape magne i-nucleato; tubo promjcelico sira- 

 plici V. raro raraoso, hjalino, 2-4-septato, 25-50 =; 2-4 ; sporidiolis 

 cylindraceis, utrinque subacutis, hyalinis, 9-13=; 2-2,5. 



Hab. in ovariis Boutelouse oligostachyse, Manhattan, 

 Kansas Amer. bor. 

 17. Ustiiago axicola Berk. F. S. Domingo n. 55, nec Cintractia axi- 1172 

 cola Cornu. — Syll. VII, 2, p. 481 ex p. — Pilulseformis, axim 

 spicarum deforraans; spori!? subglobosis majusculis, 13-14 a. diam., 

 subpellucidis, levibus, nucleatis, imraixtis filamentis hyalinis. 



Kah. in parte inferiore axis spicularum speciei Scirpoidese 

 cujusdani in S. Domingo et Australia. — Globulos minutos pulve- 

 raceos ad basim inflorescentise format. Observante cl. Cooke Grev. 

 XIX, p. 53, species domingensis et austraiiana est vere Ustilago, 

 dura species boreali-araericana est Cintractia. 



CfNTRACTlA Cornu. — Syll. VII, 2, p. 480. 



1. Cintractia Aven© Ell. et Tracy Journ. Myc. 1890, p. 77. — Ova- ii73 

 ria in massas compactas, nigras, e sporis formatas, mutans; sporis 

 subglobosis, 5-6 a. diara., primo hyalinis, dein brunneis, episporio 

 levi, sat tenui. 



Hab. in ovariis Avenae elatioris, Starkville, Missouri Arae- 

 ricae borealis. 



2. Cintractia cryptica Cooke et Mass. Grev. XVIII, p. 34. — Intra 1174 

 ovaria latitans, minuta, inconspicua; sppris aggregatis, ovato-glo- 

 bosis, 30-40 a. ; sporis singulis, corapresso-globosis, ad apicera rai- 

 nute verruculosis, brunneis, 12-14 _a. diam. 



Hab. in Pollinia argentea, Munepore Indise (G. B. Clarke). 



3. Cintractia pulverulenta Cooke et Mass. Grev. XVIII, pag. 34. — 1175 

 Ovaria implens, tumefaciens, massam atrara, durara, demura pul- 

 veraceam efficiens; glomerulis subrotundis vel ovoideis, 40-50 _a. ; 

 sporis circa 40, coacervatis, globosis, subtiliter verruculosis, 8-10 



u.., fuscis, 



Hab. m Eriantho, Nungklo, Khasia ludise (C. Baron Clarke). 



4. Cintractia patagonica Cooke et Mass. Grev. XVIII, p. 34. — In- ino 

 tia ovaria matura orta; sporis in globulos adglutinatis, demura 

 secedentibus, globosis, verruculosis, la9te fuscis, 7-9 pleruraque 10 



^. diam. 



