Spbceriueesfi, Scoleoosporae, Ophiobolus. 339 



\. Ophiobolus ulnosporus (Cooke) Sacc. Rhaphidophora ulnaspora 1021 

 (Cooke) Sacc. Michelia I, 243, F. it. t. 296, Spheeria ulnospora 

 Cooke Handb, p. 900, (ig. 396. — Peritheciis globoso-compressis, 

 tandern collabaseendo urabilicatis, breve papillatis, tectis, ostiolo 

 latiusculo perforante; a.scis cylindraeeo-clavatis, 130-150 c 12, bre- 

 ve noduloso-stipitatis, octosporis; sporidiis bacillaribus vehementer 

 fracti-flexis, 120-130 »5, 4-articulatis, articulis singulis ad extre- 

 mitates subincrassatis, 3-4-septatis, fiavidis. 



Jlab. in caule putrescente Urticse et Raliotae nigrae, in 

 Rritannia et Italia. — 0. compressus Rehm ab hoc differt peri- 

 iheciis rninoribus, sporidiis rectiusculis, non nodulosis (fere geo- 

 gtossoideis) etc. 



5. Ophiobolus Cesatlanus (Mont.) Sacc. Rhaphidophora Cesatiana mi 

 Mont. in Ces. et Do Not. Schema p. 214, Ophiobolus Echii Rehm, 

 Ascom. Diagn. n. 190. — Peritheciis gregariis, sub epideinnide 

 deaigrata sessilibus, globosis, atris, c. 0,5 mill. diam., ostiolo ro- 

 strato, obtuse conico, elongato, emorso, erasso instructis; ascis cy- 

 lindraceo-clavatis, apice incrassatis, 120-160^8-10, subtetrasporis : 

 sporidiis filiformibus, parallelis, obtusis, subcurvatis, 18-20-cellu- 

 laribus. cellulis omnibus magninucleatis, fuscidulis, 90-120 -3-4 ; 

 paraphjsibus flliformibus, c. 2 u.. crassis. 



Hab. ad basim caulium putrescentium Echii vulgaris in 

 Halia, Germania et Austria. — Etiam in speciminibus Rehmianis 

 asci tetraspori mihi visi sunt. 



6. Ophiobolus collapsus Ell. et Sacc. Mich. II, 374- — Peritheciis 4022 

 gregariis, epidermide velatis dein erumpentibus, depresso-globulo- 



sis, V 2 mill. d., dein subcupulatis, nigricantibus, maeulaque nulla 

 insidentibus ; ascis cylindraceis breve stipitatis, 80-110 »8-10, 

 octosporis; sporidiis bacillaribus, curvulis, circa medium noduloso- 

 incrassatis, 70 = 2, 12-15-guttulatis, hyalinis. 



Hab. in caule putrescente Trifolii pratensis, Newfield, 

 Anier. bor. (Ellis). — Habitu refert Oph. ulnosporum (Cooke) sed 

 asci et sporidia tenuiora, sporidiaque aliter formata 



7. Ophiobolus rudis (Riess) Rehm, Ascom. Diagn. 11. 188, Rhaphi- Am 

 dospora rudis (Riess) Fuck. Symb. myc p. 125, Eniodesmium 

 rude Riess, in Hedw. 1854, n. 6, tab. 4. — Peritheciis sparsis, 

 epidermide tectis, subsphaeroideis, atris, glabris, osliolo elongato, 

 epidermidem perforante, diametro perithecii paullo breviore, acute 

 conico; ascis cylindraceis, 120-160 »6-8, octosporis; sporidiis pa- 

 rallele stipatis, flliformibus, luteolo-hyalinis, fere asci longitudino. 



