202 



GENUS 226. PENICILLIUM.* Lh 



Flocci divided above in a fasciculate manner, septate, as well as 

 the branches, which are terminated bj- necklaces of spores collected 

 into tassel-like heads. 

 1- — Penicillium crustaceum, on rabbit's dung, Bathford, and on 



various decaying substances, common. 

 2.— P— roseum Lk. on box leaves, Batheaston. 



GENUS 227. OlIDlUM.t Lk. 



Flocci very short, producing a moniliform string of spores by 

 tomiparous divisions. 

 1- — Oiidium aureum Lk., Batheaston, on dead wood. 



2. — fuh^im Lh., Batheastom, on dead wood. 



3. — fructigenum Schrad, Batheaston, on rotting fruit. 



4.— concentricum B. and Br. Ann. Nat. Hist., Ser. II. 



vii. 178, No. 547. Common on various growing plants. 



5. — microspermum B. and Br. Ann. Nat. Hist., May, 



1873, No. 1387, Batheaston, on Scotch Fir, November. 



6.— Balsamii Mont. MSS. See Ann. Nat. Hist., No. 



763, on verbascum nigrum, Batheaston. 

 Several species of this Genus have been shown to be only early 

 states of species of Erisyphe. 



GENUS 228. .MONILI.\ HILL.+ 



Flocci erect, jointed ; head none ; bearing fasciculate necklaces 

 of spores at their apices. 

 1. — Monilia fasciculata Cda. Common on dead grasses. 



GENUS 229, DACTYLIUM.§ Nees. 

 Flocci erect, jointed, branched, bearing at the tips of the 

 branchlets, either scattered or in tufts, septate spores. 



* From penicillum, a painting brush, 



t Fron OOD, an tgg, and eidos, a resemblance. 



X From monile, a necklace. g From dactylos, a finger. 



