Beitrage zur Pilzflora von Sudamerika IX, 221 



IX. Hypocreaceae 



Mit 13 Textfiguren. 



Sphaeroderma. 



1. Sph. anthostomoides Rehm n. sp. 



Perithecia gregaria, in mycelio tenuissime stromatice parenchy- 

 matice subflavidule cellularum quadrangularium c. 5 [.( lat. fuscidu- 

 larum seriebus supcrpositis contexto olivascenti orbiculari 2 — 3 mm 

 lat. sessilia, hemisphaerica, glabra, poro pertusa, parenchymatice fusee 

 contexta, mcmbranacea, 200^300 ft diam. Asci tenues, elliptici, 



1 



8-spori, 40/10/^. Sporidia obtuse elliptica, violascentia, 1-cellularia, 

 12 — 15/5 — 6 ^*, disticha. Paraphyses nullae. 



Folia Myrtaceae. Tubarao. Ule no. 1400 c. H, Bresl. 



(Stimmt nur zu Sphaeroderma nach Mycel und Perithecien.) 



Nectria. 



1. N. (Dialonectria) annulata Rehm n. sp. c. fig. 1. 

 Perithecia amphigena , inprimis hypophylla , sessilia in macula 



folii rotunda flavescente medio tandem exarida 1 cm lat., in soros 

 0,5 — 0,8 mm diam. arete congregata _et annulatim seriata, 100 — 150 /* 

 diam., globosa, haud papillata, poro minutissimo pertusa, cinnabarina, 

 glabra, parenchymatice contexta, sicca rubronigrescentia. Asci clavati, 

 apice rotundati, — 50/10 jt/, 8-spori. Sporidia fusiformia, acuta, 2 (? an 

 demum 4) cellularia, hyalina, 15 — 18/2 — 2,5 i", disticha. Paraphyses 

 articulatae, 3 ju cr. 



Folia Rubiaceae. Tijuca, Rio de Janeiro. Ule no. 2403. H. P. 



(Characteristisch ist die ringformige Haufung der winzigen 



Perithecien.) 



2. N. (Dialonectria) Leguminum Rehm n. sp. c. fig. 2. 



w 



Perithecia gregaria, sessilia, globosa, glabra, poro haud conspicuo, 

 aurantiaca, parenchymatice contexta, 300 jm diam. Asci clavati, apiee 

 rotundati, sessilcs, 80—90/20—25 //, 8-spori. Sporidia elongato- 

 fusoidea, recta vel subcurvatula, 2-cellularia, ad septum rarissime 

 subconstrieta, hyalina, 40/5 /v, in superiore asci parte 4-, in inferiore 



2-sticha, Paraphyses.? 



Ad Legumina plantae.? Rio de Papageio. Ule no. 2282. H. P. 



(Durch die grossen Sporen von den beschriebenen Arten ver- 

 schieden; steht auch durch den Mangel nachweisbarer Paraphysen 



am nachsten N. Coccorum Speg.) 



3. N. (Dialonectria) prorumpens Rehm n. sp. c. fig. 3. 

 Perithecia gregaria, plerumquc arete congregata, haud caespitosa, 



per rimulas corticis exterioris prorumpentia, globosa, poro minutissmio 

 obscuriore brunneolo pertusa, flavido-albidula, subprulnosa, glabra, 

 basi hyphis paucis hyalinis obscssa, demum collabentia, 3(X) /' diam. 



