Sphseriaceae, Hyalodidymse, Sphjerella. 531 



magrostidis, Junci, Luziilae, Typhae, Tofieldia; in Lap- 

 ponia, Fennia, Gerraania, Italia. — In omnibus regionibus hyper- 

 boreis vulgatissima, meridionalera versus admodum rarescens. Quoad 

 magnitudinem formamque peritheciorum maxime variat; hsec nunc 

 sphaeroidea, minutissima, poroque simplici pertusa (qualia in Triti- 

 0, Calamagrostide et Typha sunt lecta), nunc majora verti- 

 ceque conoidea, nunc denique in ostiolura conoideura attenuata (qua- 

 lia in Tofj eldia boreali). Facillirae dignoscenda ascis infra inae- 

 qualiter saccato-infiatis, sporis 3-1 serialiter stipatis praeditis. 



24L Sphaerella lineolata (Desra.) De Not. Schema p. 63 Sacc. Myc. 2059 

 Ven. p. 95, t. IX, fig. 15-17. Sphceria lineolata Rob. et Desm. 

 Nouv. Not. 1843, p. 37. — Amphigena, erurapens ; peritheciis mi- 

 nutissimis, 60-80 a. diam., poro pertusis, nigris, albo farctis, sub- 

 connatis, in seriara siraplicera dispositis; ascis oblongo-clavatis, ses- 

 silibus, 50wl2; sporidiis oblongis, v. obovatis, 16-18^4-5, uni- 

 septatis, leniter constrictis, guttulatis, hyalinis. 



Hab. in foliis eraortuis Caricura, Phragmitis, Aramo- 

 philae etc. in Italia, Gallia, Britannia, Germania. — Sphcerella 

 lineolata in Berk. Fungi Arct. Exped. n. 23 quae sporidiis tandem 

 triseptatis fuscellisque poUet aliena censeuda est. 



242. Sphsrella Typhae (Lasch) Auersw. Myc. Eur. Pyr. p. 18, fig. 110. 206O 

 Sphceria Typhce Lasch in Rebh. Herb. myc. I, 660. — Perithe- 

 ciis amphigenis, nigris, parenchymate folii innatis, congestis et con- 

 natis, acervulos lanceolatos, convexos, Y4-I mill. longos, Yg mill. 

 latos formantibus, globulosis, poro simplici perforatis, 70 y-. latis ; 

 ascis elongato-oblongis, brevissime stipitatis, 8-sporis, 50 ^ 7-8 ; 

 sporidiis biserialibus, cuneato-oblongis, utrinque rotundatis, rectis, 

 uniseptatis, ad sepimentura non constrictis, fuscidulis, 14 s; 5. 



Hab. in foliis eraortuis Typhae latifoliffi et T. rainimae 

 in Germania et Italia. — Fuckel Symb. myc. p. 107, describit for- 

 mam minorera ; ascis 36 a. long. ; sporidiis 10 ^ 4. 



in. In Acotyledoneis parasiticce. 



243. Sphaerella Pteridis (Desm.) De Not. Sfer. ital. p. 87, t. XCIX. 

 Auersw. Myc. luir. Pyr. p. 19. fig. 82. Sphceria Pleridis Desm. 

 Ann. Sc. nat. 2. XIX, p. 359. Sphcerice aquilina Strauss, Hedw. 

 I, p. 73-78, t. 11, a-k. (nec Fr.). — Peritheciis epiphyllis, spar- 

 sis, ut pluriraum intra nervos subseriatis, epidermide demum erosa, 

 vertice subemergentibus, ostiolo minutissimo pertusis, sphaeroideis, 



2061 



