ASPERGILLUS. 297 



heads clavate, conidia in chains, colourless, globose, 5 /t 

 diameter. 



Aspergillus mollis, Berk., Engl. FL, vol. v. p. 340 ; Sacc, 

 Syll., iv. n. 340. 



On dead leaves. 



*** Beddish, 



Aspergillus roseus. Link. 



Mycelium scanty, creeping ; fertile branches erect, simple, 

 without septa, head globose, conidia catenulate, pale rose- 

 coloured, globose, 3 fi diameter. 



Aspergillus roseus, Link, as determined by Berkeley in 

 Eng. EL, V. p. 340 ; Sacc, Syll., iv. n. 320. 



On damp paper, linen, &c. 



Scarcely visible during the vegetative stage, but showing 

 as pale rose-coloured patches when in fruit. 



**** Yellowish or tawny. 



Aspergillus flavus. Link. 



Mycelium white, spreading in a cobweb-like manner; 

 fertile branches erect, in loose tufts, tips globose, becoming 

 yellowish; conidia in chains, globose, yellowish, very 

 minutely warted, 5-7 fx diameter. 



Aspergillus flavus, Link, Obs., p. 14; Sacc, Syll., iv. n. 

 328. 



On dried plants in herbaria, and on various organic 

 substances. 



Aspergillus spiralis. Grove. 



Sterile hyphae, septate, spirally contorted, branched, inter- 

 woven, citrin-yellow; fertile hyphae yellow, erect, not septate, 

 once or twice forked above, tips subclavate ; steriginata 

 obovate or oblong, constricted in the middle, 20-30 x 10 /x; 

 conidia obovate then globose, smooth, yellow, 10-12 /x, 

 diameter. 



Aspergillus spiralis, Grove, Journ. Bot. 1885, p. 164, t. 257, 

 f. 5 ; Sacc, Syll., iv. n. 332. 



On the cork of a bottle containing a solution of carmine 

 in ammonia. 



