STARB \('K. ISCOMYCETEM I». SCHWED. CHACO-CORDILL -KM'. 5 



Robertomyces Starb, qov. gen. 



Apothecia erumpentia, patellariacea, textur;! fuligineo- 

 atrata, eoriaceo-carbonacea, globulosa, in juvenitms stratu 

 superficiale textura erecta, prismatica, pallidiore. Asci in 

 stratu prismatico gignuntur: inter ascos evolutos restant re- 

 liquiae contextus prismatici in epithecium globulosum, t'uligi- 

 neo-nigrum transeuntes. Sporidia hyalina, continua. Para- 

 physes nulla-. — Mirabile hoc genus Med. D:ri Robert Fries. 

 peritissimo mycologo. fratrisque ejus filio Phil. D:ri Robert 

 E. Fries, diligentissimo botanico, tit amicitise pignus dedica- 

 tum volui. 



R. mirabilis Starb, nov. sp. Fig. 4 a c. 



Apothecia gregaria, sa?pe nonnulla conferta vel fere con- 

 t'luentia. sessilia, erumpentia, peridermio relaxato irregulariter. 

 orbiculariter, polygone vel elliptice determinata, juniora ci- 

 nereo-albida. tumidule nigro-marginata, l /ä 1 mm. diam.. 

 (lemum crassiora, tota nigra, usque ad 2 mm. diam.; textura 

 hypothecii globulosa eoriacea, partis parietalis excipuli den- 

 sissime carbonacea, partis hymenialis, ubi asci oriuntur. por- 

 recto-prismatica, cellulis minutis. pallidis. Asci octospori. 

 ellipsoideo-elongati vel late cylindracei, sursum primo valde 

 incrassati, sessiles, 101 — 127 x 23—25 \i. Sporidia hyalina. 

 continua, conglobata vel disticha, ellipsoidea ssepe inaeqnila- 

 teralia vel late allantoidea. 28 — 32 x 12 — 14 ;j.. Paraphyses 

 nulla 1 . Jodi ope asci non caerulescentes. Hab.: Argentina. 

 Salta circa 100 m. supra oppidum in ligno, I9 ui r,01; N:o 3, 

 4. Argentina. Jujuy. S:ta Clara in ramulis aridis, 19 2 %01; 

 N:o 190, 191. Bolivia. Tarija in ramulis siccis Gourliese de- 

 corticantis (Papilionacea?), 19 10 /.'02; N:o 287. Bolivia, Soururo 

 inter Tarija et Gran Chaco, 19" ,02: X:o 313. 



Phacidiineae. 



Stictis. 



S. ramvligera Starb. 



Hab.: Argentina. Prov. Jujuy, Quinta, pr. Laguna de Ia 

 Brea: X:o 37. 



