Pyrenomycetse, Sphteriacese, Phseodictyse, Pleospor:.. 747 



Hab. in thallo Pyr e n opsidis hsemaleae var. terricolne in 



regione arctica Norvegise. — Jodi ope nucleus e flavo rubescit. 



PLEOSPORA Eab. — Syll. II p. 241, IX p. 873, XI p. 342, XIV 

 p. 594, XVI p. 544. 



1. Pleospora lepidiicola Earle, Plantse Bakerianae fasc. II, Fungi p. 22. 2586 



— Peritheciis sparsis, tectis, nigris, ostiolo erumpentibUs, 200-300 

 ;j.. diam. ; ascis subcylindraceis, breve stipitatis, 100-120** 20; pa- 

 raphysibus filiformibus, numerosis; sporidiis subdistichis, ovatis, 

 utrinque late rotundatis, brunneis, 7-septatis, ad septum media- 

 num valde constrictis, verticaliter 3-vel-pluriseptatis, 20-28 * 10-11. 



Hab. in caulibus emortuis Lepidii apetali, Hermosa, South 

 Colorado Amer. bor. 



2. Pleospora ArmeniacaB Mc Alp. Fung. diseas Stone-fr. trees, Melb. 2537 

 1902, p. 113, f. 176-178. — Peritheciis sparsis, initio subepidermicis 

 dein erumpentibus, coriaceis, firmis, interdum in ostiolum elonga- 

 tum desinentibus, nigris, circ. 500 ;x. diam.; ascis cylindraceis, 

 stipitatis, apice rotundatis, octosporis, 100-108 w 9-10; paraphysibus 

 hyalinis granulosis 1,5-2 ;i. crassis; sporidiis monostichis, oliva- 

 ceis, oblongis v. oblongo-ellipticis transverse 3-septatis, ad septum 

 medium leviter constrictis, longitudinaliter 2-septatis, 17-19 * 

 6,5-7,5. 



Hab. in ramulis emortuis Pruni Armeniacie, Armadale, 

 Victoria Australice. 



3. Pleospora kansensis Ell. et Ev. in Journ. of Mycol. 1902, vol. S, 2588 

 p. 17. — Peritheciis sparsis, subcutaneis, ovato-globosis 250-360 



[j. diam., ostiolo conico v. brevi-cylindrico prseditis; ascis clavatis, 

 superne rotundatis, inferne gradatim constrictis; paraphysibus 3 

 ;j.. cr., septatis, hyalinis; sporidii3 distichis, oblongo-ovatis, sursuni 

 rotundatis 5-6-septatis, muriformibus, paullo constrictis, lucentibus, 

 chlorino-luteis, 20-22 * 7-9. 



Hab. in caulibus emortuis Meliloti albi, Rooks Co. Kansas, 

 in Amer. bor. — Ab afnnibus Pl. Meliloti Rab. et Pl. dura Niessl 

 facile dignoscitur. 



4. Pleospora ribesia Feltg. Vorst. Pilz. Lux. Nachtr. III, 1903, p. 197. 2589 



— Peritheciis subgregariis, subcutaneis, globoso-depressis 100-200 

 •j,. diarn., basi hyphis septatis ramosisque brunneis pr;cditis, ostiolo 

 papillato-erumpente; ascis cylindracois, brevo stipitatis iiliformi 

 paraphysatis 180 * 13-15, octosporis; sporidiis monostichis, cllipsoi- 



-deis, 5-soptato-muriformibus constrictis, llavo-brunnois, 18-20 * 9-10. 



