450 Sphaeriaceae, Hyalosporse, Ditopella. 



vexula; peritheciis, in niacula atra innatis, superne tuberculato- 

 proraiuulis; ascis elongatis; sporidiis late ellipticis 10 a. longis. i 



Hab. in foliis Psidii, Myrtacearum, Fici Roxburghii 

 in Brasilia, Surinani, India orient. — Pustulac nigrre, 1 lin. lat.T, 

 raamillis 2-3 vix prorainuUs onust?e; folium circa pustulam deco- 

 loratum, parte limitata linea nigra. Subinde maculre magis appla- 

 natae et raargine prominulo cinctre. Ostiola obsoleta. Quoad genus 

 mihi dubia species. 



DITOPELLA De Not. Sfer. ital. pag. 42 (Etym. a diiopa, epitheton 

 jam specificum speciei primaria?). — Peritliecia corticola, tecta, ostio- 

 lo suberurapente. Asci subclavati, polyspori, aparaphysati. Spori- 

 dia oblonga v. fusoidea, continua, subhyalina. 



1. Ditopella fusispora De Not. Sfer. ital. t. 48. Spha^ria ditopa Fr. ^"^ss 

 S. M. II, p. 481 p. p. Cryptospora suffusa, rninor, polyspora Tul. 

 Carp. II, 145. Cr.? ditopa (Fr.) Karst. Myc. Fenn. II. p. 80. — 

 Peritheciis sparsis, peridermio tectis eique soluto adha^rentibus, 

 spha:roideis, mox collabentibus, cupuliformibus, glabris, nigris la- 

 tit. 0,7 mill.; ostiolo in disco rainimo, sordide pallido, deraum per 

 pcridermium elevatum suberumpente, nigro; ascis cylindraceo-cla- 

 vatis, breviter tenuissimeque pedicellatis, polysporis, 90-115:; 15- 

 18; sporidiis conglobatis, fusoideo-elongatis, plerumque rectis, 4- 

 guttulatis, hyalinis, 16-24^:2,5-3,5, paraphysibus nullis. 



Hah. in ramis corticatis Alni glutinosa; in Suecia, Britan- 

 nia, Gallia, Belgio, Gormania, Fennia, Italia bor. Sporidia, teste 

 Rehraio, in quoque asco 24, subinde siraulate (ob plasma divisum) 

 I-septata. 



2. Ditopella Cryptosphaeria (Fuck.) Sacc. Sph. C>\>/ptosph(vria Fuck. n 

 Symb. p. 110. Gno/nonia poli/spora Auersw. Myc. Eur. Pyr. p. 

 24, t. 9, f. 124. — Peritheciis sparsis, immersis, sphaeroideis, ro- 

 stro conoideo, emerso, dimidium perithecium longo vel paullo lon- 

 giore, epidermidem immutatam leviterque inflatam perforauti-bus, 

 atris. 0,3-0,5 mill. lat. ; ascis polysporis, clavatis, breviter acuteque 

 pedicellatis, 100^:15-17; sporidiis conglobatis, fusoideo-elongatis, 

 rectis vel rectiu.sculis. simplicibus, rainute guttulatis, 15-20;; 2-3. 



Hab. in petiolis foliorum Alni glutinosae putrescentium , 

 CEstrich Germaniaa et in Fennia. 



3. Ditopella farcta (B. et Br.) Sacc. Sph. farcta B. et Br. Ann. N. n 

 H. u. 631, t. 10, tig. 15,- Cooke Handb. n. 2659. — Tecta, spar- 

 sa; peritheciis solitariis, globosis, denique coUabentibus, collis bre- 



