680 PyrenomycPtse, Dothidflarese, Didymosporse, Dothidpa. 



deiii erumpentibus findeutibusque, nigris; locolis globosis, 150-200 ij.. 

 diam., monostichis ; c^stioliis inconspicuis ; ascis bblongis. sessilibus, 

 80-1)0 i* 20-22, octosporis, sporidiis couferto-distichis, cylindraceis, 

 deorsuni curvulis, uniseptatis (?j, viridulo-hyalinis, 36-40^7-8. 

 Hab. iii culmis emortuis gramin um in ins. Sandwich (Helleb). 



PLOWRIGHTiA Sacc. — Syll. II, p. 635, IX, p. 1041, XI, p. 376. 



i Plowrightia pseudohypoxylon E-ehm, Hedw., 1897, p. 378. — Stro- 2603 

 matibus gregariis, in foliis amphigenis et ramulicolis, sessilibus, 

 lenticularibus v. irregulariter eiongatis, convexis, cinereo-farinosis 

 intua flavidulis,subcoriaceis,papilhilis minutissimis atri.s exasperatis, 

 3-10 mm. longis, 3-6 mm. lati.s altisque; loculis minutis, 160. fj.. 

 diam., gregariis, periphericis ; ascis eiongatis, rotundatis, aessilibus, 

 oc4;osporis, usque ad 00« 12; sporidiis oblongis, obtusis, rectis v. 

 subcurvatis, bicellularibus, haud constrictis, hyaiinis, 12-15 >:^ 3 V^- 

 4; paraphsysibus indistinctis. 



Hah. m foliis ramulisque Myrtaoeae cujusdam pr. E,io de 

 Janeiro, Brasilia (Ulei. 



2. Plowrighlia Diplothemil Eehm, Hedw. 1897, p. 378.— Stromatibus 2604 

 gregariis, amphigenis, erumpentibu6, hemisphsericis vel irregulariter 

 tuherculosis, atris, 1 mm. diam., carbonaceis; lorulis 2-3 imraersis; 

 a6c;is' subciavatis, apice rotimdatis, stipitatis, teneris, usque ad 130 

 >< 24, octosporis; sporidiis ellipticis, subacutis, 2-cellularibus, haud 

 constrictis, quaque cellula guttulis oleosis magnis 1-2 praedita, 

 hyalinis, distichis 20^7; parapiiysibus filiformibus. 



hnh. in foliis Dipiothemii littoralis, Paraguay (Balanisa). 



3 PlON^rightia irreyuiaris Otth) Sacc. Hedw. 1896,. p. XXXIII, 2605 

 Dofhidea irregtdaris Otth, Bern. Mittheii. 1870, p. 102. — Gre- 

 garia v. sparsa, er.mipens, protuberans, '/^-1 mm. diaiu., tubercu- 

 liformis v. disciformis, intus et extus nigra, subtiiiter scabrida; 

 loculis minutissimis, periphericis; cetis cjavatis, 8-sporis; sporidiia 

 oblongis, hyalinis, bilocularihus, ccn<?tTictis, 19-22 >^ 8. ioculo sup. 

 muito majoie^ conieu-acatato. 



II ah. in rarnia Ribis floridi in horto bot. Bern., Hel- 

 vetia. — Certe a Pl. ribesia non separanda. 



DGTHIDEA Fr. — Syll. II, p. 639, IX, p. 1043, SI, p. 377. 



1. Oothidea fornjculata Otth, Bem. Mittheil. 1870, p. 102. — Stro- 2^06 

 raatibus deii.se gregariis, erampeutibus^ disciformibus, '/r^ '/'* ™^^* 

 diam. nigris, impolitis, maturicate demum extanuatis, convex^s. sub- 



