-UstilQginacese, Doassansia. 427 



Hah. iu ovariis SorgJiorum cultorum in Africa trop. (Yol- 



KEN5!). 



TOLYPOSPORELLA Atk. Bull. Cornell Uuiv. III, n. 1, 18y<,p. 16. 

 (Etym. a Tolyposporium , cui affine genus). — Glomeruli e cellulis 

 (sporis) numerosis, ''■pisporio crasso prseditis, dense agglutinatis 

 constituti; promyceiijm ramohum, septatum ; sporidiola pleurogena, 

 solitaria. 



1. Tolyposporella Chrysopogonis Atk. 1. c. — Soris puiverulentis, ioo4 

 in vaginis culmorum evolutis; glomerulis nigris, magnis, irregu- 

 laribus, ovalibus, spliaericis, oblongis v. ellipticis, 50-175 « 40-80; 

 sporis in massa aggiutinatis, irregulariter globosis \ . subangulosis, 

 episporio crasso obscure brunneo praeditis, 10-15 p. diam.; pro- 

 mycolio subincle ramoso, septato, delicato; sporidiolis pleurogenis, 

 solitariis, 'subclavatis v. fusoideis, curvulis v. insequilateralibus, 

 interdum subsigmoideis, 9-12 « 2-2 '/,. 



Hab. in vaginis Cbrysopogonis nutantis, Auburn, Ala- 

 bama Amcr. bor. 



OOASSANSIA Cornu — Syll. VII, p 502, IX, p. 288, XI, p. 235. 



1. Doassansia Ulei Scbroet. HAdw. 189(3, p. 220. — Soris caulicolis, 1605 

 pulvinatis vel subcylinc . aceo-pustulatis, 4-10 « 1,5-2 ' mm. diam., 

 epidermide tectis ; glomeruiis sporarum compactis, subglobosis vel 

 ellipsoideis acutangulis, plerumque 22-46 « 20-30, pallide brunneis; 

 sporis 5-7. u. latis, compressis; episporio pallide brunneo, levi. 



Hoh. in caulibus Callitriclies spec. Prov. St. Catharina 

 Brasilia3 (Ule). — An ad Sorosporiu/m ducendum? 



2. Doassansla affinis Ell. et Deamess, Bull. Torr Bot. Club. 1895, 1606 

 p. 364. — Soris liypopliylJis, pustuliformibus, globosis v. ellipticis, 

 200 300 ij . longis, obscuris, supra collabentibus, gregariis, elon- 

 gatis; sporis globosis v. ellipticis, 8-10 /7. longis; epispjrio t«nui. 



HoJi. m foliis Sagittariae variabilis, Canada. Amer. bor. 

 (Dearne.ss). 



3. Doassansia intermedia Morot, Journ. ae Jiot. 1895, p. 471. — i607 

 Pastulis rotundatis, obscure brunneis, numerosissimis, gregariis, 

 non coniluentibus, magnam. foliorum partem occupantibus ; soris 

 spbajricis, 80-135 u, diam., cellulis corticalibus luteo-brunneis, 

 membrana levitpr incrassata; sporis pleriimque spbaeroideis, 8-10 ^. 

 diam., episporio tenui, levi, p^ijlide luteo donatis. 



Hah. in foliis Alismatis ranunculoidis iu Gallia. 



