4 filze. 



von parasitischen und saprophytisclien Pilzen fand, auch an den ge- 

 sammelten Blutenpflanzen ihm noch verscliiedene Pilzparasiten ent- 

 gegentraten, so erweiterte er seine Aufgabe und suchte aus den ihm 

 überhaupt zugänglichen Sammlungen grönländischer Pflanzen eine 

 Uebersicht über die in Grönland vorkommenden Pilze zu gewinnen. 

 Seine Aufzählung umfasst 205 Arten, von denen 32 Arten zu den 

 Hymenomyceten, 5 zu den Gasteromyceten, 6 zu den Ustilagineen, 

 19 zu den Uredineen, 2 zu den Gymnoasci, 39 zu den Discomy- 

 ceten, 102 zu den Pyrenomyceten gehören. 

 Neu sind folgende Species bez. Genera: 



Exobasidiuni Warmingii. Basidia cylindrica , long. 13 — 15 ,", crass. 

 2,5 /' ; sporae graciliter fiisoideae , long. 6 — 10 //, crass. l /". — In foliis vivis 

 Saxifragae Aizoon. 



Ustilago Koenigiae. Sporae sphaeroideae (diam. circiter 7 ju) vel 

 ovoideae, long. 9 — 12 /<, crass. 6 ,", violaceae. — Auf Stengeln nnd Blättern 

 der Koenigia Islaudica. 



Entyloma caricinum. Sori oblongati, gregarii, atri, 1 — 2 mm. diam. 

 Sporae arctissime coalescentes, diftbrraes, angulatae, laeves, atrofuscae, episporio 

 atrofiisco, diam. 15 — 22 /'. — In foliis Caricis rigidae. 



Melampsora arctica. Uredo : Sori hypophylli, gregarii, flavi; sporae 

 sphaeroideae v. ovoideae, diam. 18 — 20 ,", echinatae; paraphyses claviformes. 

 — Fung. teleutospor. : Sori hj'pophylli, sparsi, minutissinii, atrofusci; teleiito- 

 /iporae prismaticae, rufofuscae. — Auf Salix Groenlandica, Salix glauca und Salix 

 herbacea. 



Leotia rufa. Pileus repandus, margine revoluto, latit. 1 — 2 mm., rufus ; 

 stipes inaequaliter teres, rufo-ferrugineiis, altit. 5 — 6 mm. Asci cylindraceo-clavati, 

 pedicellati, long. 60 — 70 ,", crass. 2 ,". — Inter muscos. 



Calloria minutissima. Apothecia gregaria, rotundata, concaviuscula, 

 laete aureo-rubentia, lat. 0,15 — 0,2 mm. Asei anguste clav.ati, long. 70 //, crass. 

 9 — 11 /'. Sporae 8 nae, oblique mouostichae, oblongatae, long. 11 — 14/^, crass. 

 4 — 5 f*. continuae. — An vertrockneten Stengeln der Archangelica officinalis. 



Lachnum Groenlandicum. Apothecia gregaria, breve stipitata, badio- 

 strigosa, turbinato-cyathoidea, altitud. 0,5 — 1 mm. Asci anguste cylindraceo- 

 clavati, circiter 64 /< 1., 5 /' er, Sporae fusoideo-elongatae, 9 — 10 /< 1., 2 ^ er., 

 hyalinae, continuae. Paraphyses filiformes. — An verdorrten Stengeln der Piatan- 

 thera hyperborea. 



M Ollis ia cymbispora. Apothecia gregaria, sessilia, concava, rufo-fusca, 

 sicca nigricantia, latit. 0,3 — 1 mm. Asci cylindraceo-clavati, longit. 90 — 115 /', 

 crass. 12 — 13 ^. Sporae distichae , fusoideo - cymbiformes, spurie 1 — septatae, 

 hyalinae, guttulatae, longit. 16 — 20 /', i;rass. 5 — 8 /'. Paraphyses filiformes. — 

 In foliis emortuis Eriophori Scheuchzeri, Eriophori angustifolii, Caricis pullae. 



Trochila exigua. Apothecia minutissima, innata, urceolata, serialiter 

 dispositae. Asci elongati, long. 32 ju, crass. 6 /'. Sporae cylindraceo-elongatae, 

 long. 8 — 10 /', crass. o, 8 ,". Paraphyses filiformes. — In foliis emortuis 

 Nardi strictae. 



Trochila Stella riae. Apothecia subgregaria, innata, primitus tecta, 

 orbicularia, latit. 0,2 — 0,4 mm. Asci clavati, longe pedicellati, long. 80 — 130 /", 

 crass. 9 — 10 /'. Sporae octonae, subdistichae , fusoideo - claviformis, 2 guttu- 

 latae, long. 15 — 16 ,", crass. 3 — 4 /". Paraphyses ai)ice clava fusoidea, magna. 

 — In foliis emortuis Stellariae longipedis. 



Trochila Potentillae. Apothecia amphigena, gregaria, augulata, in- 

 nata, concaviuscula, margine crenulato, fusca, sicca contracta, nigricantia, latit. 

 o, 2 — 0,3 mm. Asci cylindraceo-clavati, long. 50 — 70 /', crass. 8 — 12 /". Sporae 

 oblongo-fusiformes, 2 — 3 guttulatae, long. 12 — 15 /', crass. 2 — 3 /<. — In foliis 

 emortuis Potentillae tridentatae, P. uiveae, P. emarginatae, P. anserinae. 



Leptopeziza uov. gen. Apothecia subsessilia , glabra , subcoriacea. 

 Asci cylindracei, longiuscnli. Sporae 8 — nae, monostichae, cymbiformes, trisep- 

 tatae, flavae. 



L. Groenlandica. Apothecia compressiuscula, rufo-fusca, latit. 0,5 — 1 mm. 

 Asci cj'liudracei, breve stipit;iti, long. 110 — 120 /<, crass. 16 — 18 /<. Sporae ut 



