328 FUNGUS-FLORA. 



in a forked manner, secondary branches short, in verticils 

 usually consisting of four branchlets ; conidia minute, 

 globose, colourless. 



Verticillium terrestre, Sacc, Syll., iv. n. 78."). 



Slachylidium terrestre, Grev., Scot. CrjJ^pt. Fl., t. 257. 



On tbe bare ground and on fallen wood. 



Verticillium nanum. B. & Br. 



Very minute, wbite, barren byphae creeping, interwoven, 

 fertile erect, minute, wavy, branches short, in pairs or single ; 

 conidia elliptical, white, 5 X 3 /*. 



Verticillium nanum, B. & Br., Ann. Nat. Hist., n. 532, t. 7, 

 f 18 ; Sacc, Syll., iv. n. 789. 



On pears. 



A very minute and degenerate species, the whorls being 

 reduced to two opposite branches, sometimes only one. 



Verticillium agaricinum. Corda. 



Forming white, woolly tufts ; fertile hyphae erect, 



poptate, verticillately branched, the lowermost and most 



■ A igorous branches with branchlets in verticils ; bianchlets 



acute at the tip and bearing a single elliptic-obovate 



cunidium (rarely more) at the apex ; conidia 14 X 5-6 /*. 



Verticillium agaricinum, Corda, Icon. Fung., xi. p. 15, f. 68 ; 

 Sacc, Syll., no. 790 (in part) ; (not Plowright, Grevillea, 

 pi. 150, f. A.) 



On Agarics. 



Verticillium. lactescentium. Sacc. 



Effused, white; hyphae erect, 8-10 /x thick, attenuated 



, Towards the apex, septate, simple or with 1-2 branches 



towards the top, branchlets in whorls of 3-5, acuminate, 



each bearing a single conidium at the apex ; conidia elliptical, 



apiculate at the base, 25-30 X 10-12 ;li. 



Verticillium lactescentium, Sacc, Syll., n. 791 ; Grevillea, 

 III. 153, fig. A. 



On species of Lactarius ; accompanying Hypomyces terrestris, 

 of which it is the conidial form. 



Verticillium microspermum. Sacc. 

 Effused, white; fertile branches erect, 5-6 /x thick, apex 

 tapering, septate ; branches in verticils of 3-4, bearing 



