REPORT OF THE BOTANIST. 91 
Dedicated to Professor James Hall, a most earnest pro- 
moter and eminent patron of the natural sciences. 
*71. AGARICUS POLYCHROUS Berk. 
Pileus fleshy, convex, smooth, viscid, yellow, the disk red- 
dish or brownish, the margin sometimes wavy ; lamelle close, 
emarginate and decurrent-toothed, yellow, then ferruginous ; 
stipe firm, solid, equal, often curved, yellow; plant grega- 
rious or ceespitose. 
Height 1’-2’, breadth of pileus 9’’-18”. 
Ground and rotten wood in pastures and woods. Very 
common. August-November. 
The veil is webby, fugacious. 
7 Subgenus — Naucoria. 
Stem cartilaginous externally ; margin more or less convex ; 
pileus inflexed.—Berk. Outl. 
The spores are ferruginous, or brownish-ferruginous. The 
color of the pileus is some shade of yellow. The stipe is not 
distinctly annulate, but sometimes a slight spore-stained band 
marks the place of the obsolete annulus. 
SYNOPSIS OF THE SPECIES. 
lous IMP GNAlS 5.2 5s sete aed As Selosa tm keda dans adel Ss aude tatstctercids emo spaeleiare eee tea tere a. 
a. Stem hollow, tapering toward the base...............0cesesccceececeee Kees 12. 
ets LOM OULO wer OCU eal eet cis oinic,< ore in, oj R iele ea acess Win lapels sei ei ee w Wa les eelake Saetena ere tatete 73. 
Same MH STNREAS (0 LU Cl meee speter i (ah Yoxay scraper svs,crsisreinjal tearalh teas < eiG oereiete nS RISra aie wie Seis ay eRe ereTe 74. 
ESICOS NOt DOMAER Sateen. Sac ciielas shalasio ws ih attecde Sip scien otecttce a mieies wicca ese Memes b. 
prastem hollows. : jasdeesicss< ces ok Famhele larval  & obese ota aiah~ sis these vebalata a aye sats oveve terse caene c: 
Comb ileus Diy onOPRANOUS Soca a aciscs eee Oke occa elo elem alee Sana Rous netee heme aime 75. 
G2. (EMEA NOE MY OTOPMANOUSS cafe ce sce lsictee Sas oie PS. ood nie ccione cloiteieae eects 76. 
Da Stem sol GlOrsheatiads: seeks mane aj acetone Sece ktosb.c oprocain es baleen ak tees eeleatee d. 
a. Stem)\solid) margin ‘of pileus recurved cc... 0.) on ok ae cece caenienetine ce ke 
Ge SUSMINC Oba NVI Oe aati le aaisiatctcisc’S ale etcie « Sele ielelels Se avalos ceraivioiwa Welalnisinreoyeiata 78. 
72. AGARICUS VERNALIS 7. sp. 
Pileus thin, fleshy, convex, then a little depressed, with a 
deflexed margin, umbonate, hygrophanous, dull yellow, darker 
when moist ; lamelle narrow, attached, cinnamon-color ; stipe 
long, flexuous, striate-sulcate, hollow, tapering downward, 
white-villous at the base, brownish. 
Height 2’, breadth of pileus 8’-12”, stipe 1” thick. 
On rotten wood. Greenbush. May. 
73. AGARICUS LIGNICOLA 7. sp. 
Pileus thin, convex, umbonate, smooth or slightly fibrillose, 
hygrophanous, watery cinnamon and the margin striatulate 
