15 Basidiomycetes from Juan Fernandez, 

 collected by C. Skottsberg. 



By 



L. ROMELL. 



Stropharia Fr. 



S. depilata (Pers.) Fr. 

 Masatierra: Salsipuedes, 21.4. 1917. 



Pluteus Fr. 



P. nanus (Pers.) Fr. var. sports majoribus (7 — 10.5X5 — 9 [x). 

 Masatierra: Plazoleta del Yunque, 30.3. 1017. 



Pleurotus Fr. 



P. applicatus (Batsch.) Fr. 



Masafuera: Papal near Quebr. Casas, 21.2. 1917. 



Marasmiiis Fr. 



M. echinatus n. sp. 



Truncicola. Centraliter stipitatus. Pileus planoconvexus, vix umbilicatus, 

 totLis (usque ad marginem) aculeis pyramidatim conclinatis horridus, olivaceo- 

 umbrinus, i — 1.75 cm. latus. Stipes curvatus, floccosus vel tomentosus, deor- 

 sum squarrosus, sordide pallidus, deorsum ochraceus, i — 1.5 cm. longus, 2 — 3 

 mm. crassus. Lamellae breviter decurrentes, parum distantes, gilvopallidae. 

 Hyphae lamellarum moUes, fibulatae, 2 — 5 {x crassae. Basidia ad apicem 6— 9 [j. 

 crassae. Cystidia filiformia vel anguste clavata vel ad apicem attenuata, circ. 

 3 — 5 [J, crassa, hymenium non superantia. Sporae ellipsoideae vel late sub- 

 fusoideae vel subpyriformes, intus granulosae, 9 — 12x6 — 7.5 \s.. 



Masatierra: Villagra, slope of El Yunque, 24. 4. 1917. 



30 — 2610. The Nat. Hist, of Juan Fernandez and Easter Isl. Vol. II. 



