26 AGARICACE^E Hiatula 



54a. L. submarasmioides Sacc. (from its slight resemblance to a 



species of Marasmius) a b. 



P. umbonate, tough, arachnoid-squamulose, white to pale buff; 

 urn. rufous ; marg. subplicate, cracking. St. at first arachnoid- 

 pruinose, white. A. superior, movable. G. membranous- 

 tough, flesh tough, rufous within towards base. 

 Low ground at Worcester. Sept. I X 2j x & in. 



/. Viscidtz. 



55. L. medullata Gill, (from its pith-bearing stem ; medulla, pith) a b. 



White or grey-white. 



P. umbonate ; marg. appendiculate with V. St. with a remov- 

 able pith. 



Odour of radish or mephitic like 35. Woods, fir. Aug.-Oct. 2 X 3$ X J in. 

 Compare 58. Resembles 1188 in stature, colour and viscidity of pileus. 



56. L. glioderma Gill, (from the clammy pileus ; Gr. gloios, clammy, 



derma, skin) a c. 



P. brownish-red. St. dry, floccoso-scaly below, white or buff-white. 

 Woods, thickets, pine; uncommon. July-Sept, if X 3^ X J in. 



57. L. delieata Gill, (delicate) a b. 



P. thin, subumbonate, rufescent, yellowish, pale rose or brownish. 



St. dry, floccoso-scaly below, whitish. 

 Taste and odour sometimes rank, like Polyponis squamosus. Hothouses, 



woods, stumps, etc. Sept. 1J X I X J in. 



58. L. illinita Quel. (from the glutinous pileus ; illinitus, besmeared) 



a b. 

 P. umbonate white, varying to ochreous or clay-colour with a 



brown um. St. glutinous below. A. well developed on St., 



or appendiculate at edge of P. 

 Woods. Aug. -Sept. 2^ x 3 X T 5 ff in. Compare 55 and 1188. 



59. L. GEORGIN^E Sacc. (after Georgina E. Johnstone) a b. 



White, all parts becoming bright crimson when touched. P. 



viscido-pruinose. Brown when dry. 

 Taste and odour none. On sphagnum in greenhouses. May-Nov. 



l X 2j X i in. 



IV. HIATULA Mont. 

 (From the furrows on the pileus ; Gr. hio, to gape.) 



Hymcnophore distinct from the stem. Veil universal, manifest 

 in the granular or powdery covering, and sometimes in the appen- 

 diculate margin of the pileus. Pileus fleshy to membranous. Stem 

 central, simple. Gills free. Spores normally white, sometimes 

 greenish or green as in Lepiota. (Fig. 13.) 



Differing from Lepiota in the absence of an annulus, and agreeing 

 in structure with Pluteus, Pluteolus, and Pilosace. 



Pileus somewhat fleshy. 60, 60a 



Pileus membranous, sulcate. 60b, 60e. 



