PENlCll.l.ir \l r.ll'nKMK. 



55 



teristic smell. It is perhaps intermediate in character between 

 P. camerriberti and the group of forms designated as /'. commune in 

 this paper. 



CULTURAL HATA. 



Color, white i" gray-green, gray, or drab in some media, all brown or < I ra 1 . when old; 

 reverse cream ; color in media, none. 



Odor, very strong peculiar "moldy" odor, typical of this Bpecies under nearly all 

 conditions. 



Fig. \$.—PeniciIlium hiforme: a,b,g, branching of conidial fructification from potato-agar culture ( 1,400); 

 c, d, e, /, conidiiferous cells an<l roni'li i > MOO); h,j, k, sketches of conidial fructifications on potato 

 agar (X 140); /, m, sketches of conidial (ructifications on sugar gelatin I < 140); o, r, germination of 

 conidia (X 900). 



Fifteen per cent gelatin in water, typical floccose colony: liquefaction, partial in 



old acidified culture-, none in L5 days; litmus read ion, strongly alkaline ( in nearly all 

 media). Potato agar and bean a_ r ar, colonies consisting only of very short conidiophores 

 green to drab in color, little or no floccose mycelium. Potato plugs, typical. < 'ohn's 

 solution. bIow, half normal growth, with odor. 



Synthetic fluid ( Dux's i, carbon supplied as: Cane Bugar, typical up to 50 per cenl 

 sugar, with acid reaction. Lactose :i per cent, rich growth, typical. Lactic acid 0.9 



