SOME COMMON MUSHIJOOMS WD now To KNOW 'IIIK.M oij 



MUTINUS 



In the gfenus Mutinus tlu' m-cptadc or stalk is collitlar or sponjry, 

 siinple, eIon<,rat('(l, cyliiKlric taiR'riiio;, with the <,H('ba-b("arin<r portfon 

 at tiie api'x. The species of iMiitiiius are very siiiiihu' in general form 

 and color. 



MUTINUS CANINUS. DOG STINKHORX 



In this plant (he stipe is liollow, perforate or imperforate, fusiform white or 

 reddish; sporc-hcai-iii.t;- portion of flesh is colored, sharply defined cellular 

 structure not uniform; 

 e. {?., the cells or minute 

 cliamliers composiiifi; the 

 stem are larger than 

 those of the gleba-hcar- 

 ing i)ortion. 



This species is com- 

 mon and appeai-s i n 

 sununer and autunm, 

 oecun-ing on the ground 

 in woods. Its bright red 

 color is conspicuous 

 among the greens and 

 l)r()wns of the woods as 

 well as its odor, which 

 though disagreeable is 

 n o t as offensive a s 

 ItlijiphaUuis impHilicas. 



LYCOPERDACEAE 

 (PUFFBALLS) 



The Lycoperdaceae 

 inch;de the piiffhalls 

 and earth stars. They 

 are more or less ball 

 shaped, sometimes 

 with a thickened base, 

 sessile or indefinitely 

 stipitate and when 

 mature filled with a 

 dusty mass consist- 

 in^i: of spores and fine 

 co1)wel)by filaments 

 known as capillitinm. 

 In addition to the 

 puff ball type this 

 family contains some 

 very queer and stran,<,^e fiinoi, which present orreat variation in shape 

 structure, and color. 



LYCOPERDON 



Species of the oenus Lycoi)erdon are small pufFballs with a some- 

 what thickened base and fibrous rootin*; mycelium. The coverin<>- or 

 peridnim consists of two layers. The outer layer, the cortex, breaks 

 up mto small, soft scales, spines, warts, or <rralndes, which mav soon 

 disajipear; the ]nner, the true i)eridium, is smooth, thin, and" mem- 

 branaceous, and opens by an apical mouth. When voim<,r the interior 



FiiJURB 45. — IthjiphaUus iinimiTwits 



