44 MALME, FLECHTEN DER ERSTEN REGjSrELL'sCHEN EXPEDITION. II. 



Sect. Orcularia Malme. 



Sectio sporis polari-dyblastis nec non hypothecio obscura- 

 scente facile distincta; inter Itinodinas et JBuellias ambigua. 



Prseter speciem hoc loco descriptam huc pertinet R. antarcfica Mull. 

 Arg., cujus specimen minutum vidimus (sporse 18—21 fi longse, 9 — 12 fi 

 crassae), yerisimiliter etiam, e descriptione, Lecidea ' prospersa Nyl. (sporse 

 11 — 14 fl longae, 5 — 6 /* crassae), Rinodina articulata Bägl. (sporse circiter 

 15 fl longfK, 7 — 8 fl crassse) et Lecanora piropior Nyl. (sporse 11 — 18 fi longae, 

 7 — 10 ft crassfe). 



Rinodina milliaria Tuck. habitu (et hypothecio fusco) ad R. inspera- 

 tam (Nyl.) accedere videtur. Specimina hoc nomine salutata, quae examinare 

 nobis licuit, ad diversas species pertinent; nulluiu tamen sporis polaridyblastis 

 gaudet. 



1(1 R. insperata (Nyl. 1863) Malme. 



Lecanora insperata Nyl.: Nyländer, Lich. Nov. Gran. I, p. 443. 

 Lecidea insperata Nyl.; Nyländer in Flora 1880, p. 128. 

 Rinodina metabolica Anzi var. phceocarpa Mull. Arg.; Mullkb Argov., 

 Lich. parag. (1888), p. 63. 



Thallus crustaceus, effusns, tennis v. tenuissimus, siibcon- 

 tiniuis v. rimosus, adpresse verrnculosus, verriieuloso-granu- 

 latus v. fere Isevigatus, cinereus (seepe evanescens), hypotliallo 

 concolore, spepe inconspicuo. Ai)othecia sparsa v. + conferta, 

 primum innata, dein emergentia, adpressa v. adnata, parva, 

 0,2 — {J,4 mm. lata; disco fnsconigro v. nigro, opaco, primum + 

 urceolato, dein piano, demum nonnumquam convexiusculo ; mar- 

 gine integerrimo, primum crasso et thallo concolore, dein ± 

 attenuato et nigricante, rarius demum fere excluso. Hypo- 

 thecium fuscescens v. pallidum; thecium hyalinum, superne 

 nigricans, KOH immutatum. Sporse in ascis clavatis Smse, 

 irregulariter distichse, polaridyblastae, ellipsoidese v. rarius 

 oblongse, (12 — )14 — 1(3( — 18) {.i longee 6,6 — 8 f,L crassre. 



Crusta KÖH immutata; hyphte medullares J non coeru- 

 lascentes; gonidia globosa, 6 — 10 (.l crassa. Pars marginalis ex- 

 cipiili mediocris, gonidia vulgo pauca, demum marcescentia et 

 omnino demortua fovens; strati corticali crasso, superne haud 

 attenuato et discum versus fuscescente, J non reagente; mar- 

 gine proprio vulgo haud multum evoluto v. subnullo. Thecium 

 circiter 75 jt< altum, J persistenter coerulescens; paraphyses 

 graciles, 1 — 1,2.ö t< crasso, sat facile liberse, simplices v. su- 



