— 5 — 



pite facillime secedentes, acie integerrimae, pileo con- 

 colores v. pallidiores. Stipes fistulosus, teres \ix basi 

 subincrassatulus (15'" long. x 2-3'" diaui.), laevis, gla- 

 berrimus, fibrosulus, pileo concolor, mycelio ali)o-ara- 

 neoso V, gossypinulo latiusciule expanso radicatus. 

 Sporae albae. 



Ilab. In pratis arenosis sub umbra arbuscularum prope 

 Punta Arenas in Freto magellanico, April 1882. 



Obs. Caro pilei tenuis, hygrophana, mollis, lamellis ad- 

 nata ; illa stipitis fibrosa. Sporae hyalinae, globosae 

 (3-3,5 [j. diam.) laeves. 



Species Ag. exjjallenti Pers. valde aflinis. 



5. AGAmciJS (Clitocybe) laccatus Scop. — Fr.^Hym. Eurp. 



p. 108, n. 332. 

 Ilab. Ad terram herbosam sub umhra Salicis humbold- 



tianae secus Rio Negro, Mart. 1883. 

 Obs. Species valde polymorpha, sine dubio cum illa euro- 



pea identica ; specimina patagonica saepius colore ob- 



scuriore et pileo margine repando-sublobato gaudent. 



6. Agaricus (Mycena) exquisitus Hook. — FI. Ant., vol. 



11, p. 447. 



Hab. Ad ramos dejectos putrescentes C/iirioi>'ic/ii amel- 

 loidis prope Punta Arei^as, Aug. 1882. 



Obs. Basipes; pusillus, fulvus, puberulus, sparsus; pileus 

 primo subhemisphaericus, margine intus subincurvulus, 

 densiuscule pilosus, dein subcampanulato-expansus, 

 (quandoque irregularis), dense puberulus, margine acu- 

 tiusculus, rectus, integer, fulvo-melleus, centro inten- 

 sius coloratus ; lamellae paucae, distantes, 4 v. 6 lon- 

 giores, truncato-adnatae, non decurrentes nec sinuatae, 

 pro ratione crassiusculae, acie integrae, cum minoribus 

 plus minusve evolutis alternae, albae v. dilutissime 

 albo-melleae ; stipes centralis sub pileo abrupte iucur- 



