Pyienomycetese, Sphjeriaceai, Phdeophragmiae, Chitonospora. 797 



148. Leptosphaeria stereicoia Ellis Amer. Nat. 1SS3, p. 317. — Pe- 3262 

 ritlieciis erumpentibus, hemisphcericis, nigris, rugosis, '/9 mm. diam., 

 ostiolo acute papillato; ascis suboylindricis, 57*7,5-8, paraphysa- 



tis (?); sporidiis biseriatis, oblongo-fusoideis, 3-septatis, fuiigiQeis, 

 11-13^3-3,5. 



Hab. in hymenio Sterei bicoloris, Decorah. Jowa Amer. 

 bor. (E. W. HoLWAY). 



149. Leptosphaeria fbngicola Winter in Hedwigia 1886, p. 101. — 3253 

 Peritheciis sparsis, superficialibus (an semper?), minutissimis, glo- 

 bosis, poro simplici pertusis, merabranaceis, atris, glabris, 100 fx. 

 diam. ; ascis obciavatis, e basi lata sursum longe attenuatis, sessili- 

 bus, 8-sporis, 30-44^9-10,5; sporidiis conglobatis, fusiformibus, 

 infequilateralibus vel parum curvatis, 5-septatis, cellula tertia la- 

 tissima, dilutissime viridulis, 12-16^^3,5. 



liab. \n hymenio Sterei subpileati vetusto in insuia S. 

 Thome Afr. occ. 



150. Leptosphssria CoraB Pat. Journ. Bot. 1888, p. 150, f. 5. — Pe- '^254 

 ritheciis numerosis, sparsis, nigris, subglobosis, Ys-'/, mm. diani., 

 innatis dein emergentibus, hyphis mycelicis brunneis affixis, ostioio 

 dein iate aperto; ascis ventricosis, subsessilibus, 80=;2o, apice ia- 

 crassato, teuuato-rotundato; sporidiis octonis, ovato-oblongis, 5- 

 septatis, nou constrictis, paliide fuiigineis, 20-24 s 6-7. 



Hab. ia thallo Corse Pavonia} in Amer. centr. — Asci jodo 

 crorulescentes v. partim roseo-violascentes, 



151. Leptosphffiria marina Ilostr. Journ. Bot. Copenhag. XVll, p. 234. 3255 

 — Peritheciis in uiatrice atrata gregariis, globosis, tectis; ascis 

 fusoideis paraphysatis, 8-sporis, 50 c; 10; sporidiis fusoideis, pallide 

 flavescentibus, 1-8-septatis, I0ci4. 



Hab. in thallo Chondri crispi ad littora marina Daniae. — 

 Maculae in matrice 1-2 mm. diam. 



CHfTONOSPORA Boram. Rouss. Sacc. nov. gen. (Etym. chiton tunica 

 et spora). — Perithecia subglobosa, papillata, atra, subcutaoea, 

 subxnombrauacea. Asci elongati, fiicile evanidi, paraphysati. Spori- 

 dia ellipsoideo-obionga, subtriseptata, episporio crassissimo fuligi- 

 neo, endosporio subhyalino praedita. 



1. Chitonospora ammophila Bomm. Rouss. Sacc. sp. n. — Peritheciis 3256 

 glabris, 300 ij.. diam., epidermide leniter atrata tectis, ostiolo brevi 

 conoideo epiderraidem perforante; ascis crassis, cylindraceis, sessili- 

 bus, 75-90 =; 15-16; pataphysibus ramulosis, flexuosis, guttulatis. 



