Amanita AGARICACE^: 1 5 



Volva bulb-like, large, exhibiting a free expanded border in split- 

 ting. Pileus naked or nearly so, and viscid, except 4a, 4b, and 

 4c ; margin striate, except 4a, 4b, and 4c. Gills free or adnexed. 



1—4 



Volva splitting regularly, its margin closely adpressed to the stem 

 and the detached upper part forming patches or warts on the 

 pileus. Gills free. 5 — 9 



Volva friable, broken into small scales or warts, not persistent at 

 the somewhat bulbous base of the stem. 10 — 13 



Volva rudimentary, floccose, disappearing. Stem slightly enlarged 

 at the base, not truly bulbous. 14 — 17 



1. A. virosa Quel, (virus, poison) a b c. Wholly white. 



P. marg. lobed, floccose with V. St. somewhat scaly. A. large. 



Vo. lax, wide. 



Poisonous, fetid. Woods; uncommon. Aug. -Oct. 5 x 7§ X f in. Com- 

 pare 3. This and the next when young greatly resemble the edible 

 mushroom. 



2. A. phalloides Link (from the volva as in Phalloidacece) a b c. 



P. white, yellowish or light, or dark olivaceous. St. somewhat 



smooth, white. 



Poisonous, narcotic, acrid. Odour when young, strong, not disagreeable, 

 at length fetid. Woods ; frequent. Apr.-Nov. 3s X 4J X § in. Many 

 fatal cases of poisoning on record. 



3. A. verna Quel, (ver, spring) a b. Wholly white. 



P. marg. not lobed, not floccose. St. floccose. A. not large. 



Vo. somewhat adpressed to stem. 



Probably poisonous. Odour not strong, but unpleasant. Woods ; uncommon. 

 May-Oct. 3 x 5 X f in. Probably a var. of 2. Compare 1. 



4. A. mappa Quel, (from the resemblance of the volva to a 



napkin, mappd) a b c. 

 P. dry, patched with remains of Vo., white to pale yellowish-buff. 



St. somewhat smooth, white. 

 Poisonous, fetid. Woods ; frequent. Usually small. Aug. -Nov. 



3 X 3! X £ in. Compare 12. 



4a. A. porphyria A. & S. (from the colour of the pileus) a b. 



P. warm brown or purplish-brown \ marg. smooth. St. slightly 



scaly below, whitish. A. distant. 

 Odour none. Woods, pine. Sept. c,\ X 3^ X § in. 



4b. A. recutita Gill, (from the smoothly cut edge of the volva) a. 

 P. sometimes umbonate, dry, glabrous, pale or vinous-umber ; 

 marg. smooth. St. slightly scaly below, white, becoming faintly 

 brownish. A. distant. Vo. more or less adpressed. 

 Woods, pine. Sept. 6£ x 4§ X f in. 



4e. A. aureola Gill, (from the golden colour of the pileus) a b c. 

 P. slightly umbonate, bright yellow or orange-yellow; marg. 



