PENICILLIUM LILACINUM. 



73 



i i M i 1; \i. D \ i \ 



Color light clay to chocolate or yellow (avellaneous, nearl) i to darker, approaching 

 brownish yellow, never green ; reverse uncolored ; color in media, none. 



Odor, none. 



Fifteen per cenl gelatin in water, good growth; liquefaction, none; litmus reaction, 

 acid. Potato agar, bean agar, and potato plugs, typical. Raulin'e fluid, typical. 

 Conn's solution, germination only. 



Synthetic fluid carbon supplied as: Cane sugar, g 1 growth up to 30 per 



cent, acid reaction. Lactose 3 per cent, slight growth. Lactic acid 0.9 per cent, 

 medium growth, not fully normal. Levulose 3 per cent , small development . < ialac- 



Fig. 20. —PeniciUium dirarica/um: a, d, e, f, oonidiiferous cells, conidia and their arrangement (X 1,600); 

 b, c, Irregular typi ngement; g, h, k, sketches of conldial fructification ( < 200); m, //. germination 



ol conldfa (x 900). 



tose 3 per cent, alow growth, reaction neutral. < Uycerin 3 per cent, germinated only; 

 grew when sugar was added. Potato starch 3 per cent, typical. Butter fat, weak 

 growth, bul characteristic fruiting. 

 Milk, .-low and weak colonies; curdling (0.25 percent calcium chlorid added I slow — 



1 1 days or more; digestion, Blow and slight; color in milk, none. 



Colonies grew better al 37° C. than at 20° C. 



PENICILLIUM LILACINUM n. sp. 



Latin diagnosis.- Coloniis in gelatina vel agaro phaseoli cult is, albi.-, vol alias demnm 

 paliide lilacinie imprimis in saccharo oflicinaro commizto, floccosis; hyphia aereis 

 ramosis, adscendentibus, eeptatis, 3/z cr., ramos fertiles 1 >r« ■ \ i--ii,iisgerentibus;reverso 



