PENIt'ILLUM INI l!I( A I I'M. 



75 



tin (Conn's), liquefied in 2 week.-, white colonies. Potato plugs, white colony; 

 Culm'- solution, verj weak growth but typical lilac color. 



Synthetic fluid (Dox's), carbon applied as: Cane sugar 3 percenl to 30 percent, 

 good growth with typical lilac color, alkaline reaction, do fermentation. Lacto 

 percent, germination only, slighl growth. Lactic acid 0.9 per cent, germination only. 

 Levulose 3 per cent, slow growth. Galactose 3 per cent, Blow development with 

 alkaline reaction. Glycerin 3 per cent, nol characteristic, little more than ger- 

 mination. Butterfat, typical colon) gh ing brownish color to fluid and causing drops 

 of j ellow oil to separate oul . 



Milk, curdling, Blow ; digestion, Blow; color in milk. none. 



At 37 C, l»-i growth; at 20 ' C, g 1 growth. 



PENICILLIUM INTRICATUM n. sp. 



Latin diagnosis. Coloniie in gelatina vel agaro phaseoli cultis, albis, griseis, griseo- 

 glaucis, demum griseis, lente fere fuligineis, floccosis; zonatis; parte aeria usque 1-3 

 mm. cr., exhyphis aereis ramosis 

 dense intricatis; reverso incolo- 

 vel sulphureo interdum 

 lente avellaneo; substrato buI- 

 plmreo colorato; conidiophoris 

 interdum terminalibus plerum- 

 que ex hyphis aereis brevibus 

 30-50/1 ramosis; fructibus conid- 

 icie 50 loo,, usque 1 tO/i longis — 

 muli" longioribus in substratis 

 Baccharinis — ex verticillo basidi- 

 orum, vel ex 1 '■'> verticillis ba- 

 Bidiorum in rami- divergenti- 

 bus, vel ex verticillis ramulorum 

 i'l basidiorum eodem verticillo, 

 catenis conidiorum saepe co- 

 lumns laxe convergentibus; ba- 

 sidiis8-10X- 2.5/t, paucis(4-10) 

 verticillo, cum catenis basidi- 

 orum divergentibus; conidiis el- 



lipticisvel globosis, hyalinis, vel pallide glaucis, 2.5-3// diam., Isevibus, leptodermibus, 

 intue granulosis, in catenis manentibus Bubmersis; coloniis gelatinam nonliquefacien- 

 tibus, alkalini- lacmo. 



Culturae ex bumo, Prof. W. M. Eaten, Storrs, Conn., 1907. 



I I roii up'. n gelatin or bean agar, white, gray, greenish gray, when eld gray or 

 Bmoky, floccose, becoming a mass of interwoven byphse and ropes of hyphse 1 '■'■ mm. 

 in thickness; reverse of colony and substratum uol colored in bean agar, more or less 

 sulphur yellow or even brownish in sugar media; conidiophores sometimes terminal, 

 more commonly branches of aerial byphse 30 50/* in length; conidial fructifications 

 ">o loo ii] > to 1 Hi" in length, or much longer in old sugar cultures, consisting of simple 

 verticils of conidiiferous cellB, or of I '■'• verticil upon divergent branchlets, or of 

 branchlets and conidiiferous cells in the same verticil; conidiiferous cells 8 L0 by 

 2 2.5ft, few i l to 10) in each \ ert icil, bearing more ot less divergenl chains of conidia 

 frequently aggregated into a loose column; conidia elliptical or globose hyaline or 

 pale greenish, 2.5 3/i diameter, smooth, thin walled, granular within, remaining in 

 chains in fluid mounts; colonies alkaline to litmus, Dot liquefying gelatin. 



Found in cultures from soil, Storrs, Conn., by Prof. \\ . M. Eaten, l!t()7. 



Fig. 31. — Penicillin in intricatum: a, 6, c, conidial fructification, 

 conidiiferous cell, conidial chain (x l.f.00); d, e, I, sketches ol 

 conidiophores, branching and arrangement (X 2i 



