2 1 2 AGARICACE^E Bolbitius 



salmon ; margin striate or sulcate. Stem central, simple, equal or 

 attenuate upwards, fistulose. Gills adnexed or free, membranous, 

 becoming moist, not deliquescing. Spores somewhat ferruginous or 

 salmon. (Fig. 52.) 



A group of species resembling the Coprini in habit and short life, 

 but not deliquescing. They chiefly grow on dung or manured 

 ground, often near and in roads, frequently near towns, villages and 

 human habitations. None are edible. Species 964 — 973 



964. B. grandiuseulus Cooke & Mass. (from its well-grown 



appearance ; grandiuseulus, well-grown) a b. 



P. campanulato-expanded, papillose, ochreous-tan; mid. brownish- 

 orange ; marg. whitish-salmon. St. white. G. linear, adnexed 

 or free, orange or rusty-ochre. 



Amongst grass. Autumn. 2 x 4J X J in. 



965. B. flavidus Mass. (flavus, light yellow) a b. 



P. campanulato-expanded, glutinous, olivaceous-ochre ; mid. 



somewhat elevated, sienna; marg. striate. St. pale yellow 



within and without, fibrillose below, faintly olivaceous. V. 



fugacious, white. G. adnexo-free, white, yellow then dusky 



brown. 



Dunghills after rain, rotten cloth in wood. June-Aug. 2\ X 2J X T 3 5 in. 

 " Whole plant dissolves in a brown jelly," Bolton. 



966. B. Boltonii Fr. (after James Bolton of Halifax) a b. 



P. flat, sulcate, viscid, sulphur-white, then dull salmon-whitish ; 



mid. somewhat depressed. St. floccose, sulphur-white. V. 



fugacious. G. subadnate, white to yellow, pale dull salmon or 



livid brown. 

 Heaps of leaves and dung. May-Sept, if X 3 X J in. 



967. B. vitellinus Fr. (from the colour of the pileus, like yoke of egg, 



vitellus) a. 



P. campanulate, lobed, sulcate, viscid. St. white squamulose, 

 faint sulphur at base. G. slightly adnexed or free, ochreous- 

 tan. 



Rich pastures, dung, horse. Autumn. i£ X 3£ X x 3 ^ in. 



968. B. fragilis Fr. (from its fragility) a b c. 



P. flat, viscid, sulphur-white, straw or yellow. St. at first covered 

 with fine matted down, colour as P. G. attenuato-adnexed, 

 yellow, faintly olivaceous then pale cinnamon. 



Road-drift and dung, horse, roadsides; common. April-Nov. 2|X4jx£ in. 



969. B. titubans Fr. (from its tremulous habit; titubans, shaking) 



a b e. 



P. flat, subdepressed, viscid, faint salmon-purplish ; mid. faintly 

 ochreous. St. even, shining-yellowish, sometimes white, 

 squamulose at base. G. adnexed, narrow, colour as P. 



Odour unpleasant. Grassy richly-manured soil, mushroom-beds, by rotten 

 stumps; common. May-Oct. 2 X 3§ X jg in. 



