Discomyceteas, Stictoa), Phragraospoijo, Odontotroma. C70 



llab. iii caulibus eraortuis docorticatis Valerianae officina- 

 lis propo (Estricli Rlienogovia). 



■ Xylogramma filicinum (Niessl) Rehm Disc. p. !(>!), Stictis filicina 27.'»r, 

 Niossl in Just .laliresber. 187 1, p. 281. — Innatum, raox per epi- 

 dermidem deraum atratam ot riraose fissara erumpens, 0,5-1,5 mm. 

 long., 0,0-0,4 mm. lat., disco initio suborbiculari dein elliptico- 

 lanceolato, subimmarginato, tiavo-brunneolo, plano; ascis olonga- 

 tis, 50-60 s 13, octosporis; sporidiis ovoideis vel oblongo-fusoideis, 

 curvulis, 1-o-septatis, medio constrictis, 17-23 sG-7. 



Ilab. in stipitibus siccis Pteridis aquilina) in Stiria. — 

 Habitus fero Lophodevinii. 



OONTOTREMA Nyl. Lich. Scand. p. 249 (18G1), Karst. Rev. p. 145 

 (Etym. o«.s. odontos dens et trema orificium). — Asc omata inna- 

 to-erumpontia, discreta, initio clausa, dein margine proprio den- 

 ticulato-rupto vel subintegro minute dehiscentia, nuda, atra, par- • 

 va. Asci toreti-clavati, 8-spori, paraphysati. Sporidia oblonga v. 



' elongata, pluriseptata, hyalina. — Genus inter mycetes et liche- 

 nes anceps. Belonium r/iaphidosporicm (n.204G) nuper ab ipso 

 auctoro Rehra (Disc. p. 207) ad Odontotrema rofortur. Cenang. 

 (Encad.) inculcaium Karst. (n. 2339} nunc ab ipso Karst. inter 

 Odontotrernata enumeratur (Rev, p. 146). 



Odontotrema hemisphaericum (Fr.) Rehm Disc. p. 205, Stictis Fr. 278C 

 Syst. Myc. II, p. 106, Xylorirapha Fuck. Symb. App. III, p. 27. 

 — Prominons, hemisphajricum, punctiforme, nigrum, ore subconni- 

 vente rotundo, intus pallidura; ascis cylindraceis, sessilibus, rectis, 

 8-sporis, 50-72=; 8-9; sporidiis mono- disticliis, oblongo-ovatis, con- 

 tinuis, biguttulatis, hyalinis, 8-12 s 4-5, demum 2-3-septatis, ad 

 septa constrictis; paraphysibus filiformibus, simplicibus, asci lon- 



I gitudine. 



Ilab. in ramis siccis induratis Pini Ce mbra}, Abietis, J u* 

 niperi in Suecia, Helvetia et Tyroli. — Facies fere Sphtcricv. 



I Lignum supra singulum individuum nigrescit. Ascoma primo clau- 

 sum, dein hiat, oro rotundo, disco tenuissimo pallido, demum sub- 

 rufescit. Interduni hymonium deliquoscit, ot globulum album refert. 

 Odontotrema majusculum Rehm Ascom. AIp. n. 31. — Primitus 2787 

 globosum, supremo ligni strato iramersura, dein emergens et fibris 

 ligni undiquo sparsis iuquinatum usque ad 1 mm. diam., fusco- 

 atrum, paronchymatice contoxtum, umbilicatum, doin urceolatum, 

 disco plus rainusve conspicuo, dilute fusco; ascis clavatis, 8-sporis, 



