582 



DEMATIEI. 



Gen. 220. 



POLYTHRINCIUM, Kimze. 



Flocci moniliform ; spores spring- 

 from the midst of the flocci, 

 didymous. — Berk. Outl.p. 346. Eng. 

 FLY.p.338. {Fig. 255.) 



mg 



Fig. 255. 



1743. 



Polythrincium trifolii. Kze. " Clover Polythrincium." 



Flocci densely crowded, erect, gradually thickened upwards, 

 closely articulated, moniliform ; sj)ores oval, uniseptate, scat- 

 tered. — Kunze.M.H. t. l,f. 8. Bisch.f. 3721. Corda. Anl. t. B.J. 

 10, no. 6. Cooke exs. no. 196. Grev. t. 216. Moug. exs. no. 688. 

 Baxt. exs. no. 84. Corda. t. 9. Eng. Fl. v. p. 338. Fckl. exs. no. 

 58. Berk. exs. no. 97. Farinaria trifolii, Sow. t. 396,/. 7. 



On fading leaves of Tri folium. Common. [United States.] 



Forming little black sooty dots on the leaves, often in company with 

 Ascobolus Trifolii or Dothidea Trifolii, probably conidia of the latter species. 



{Fig. 255.) 



Gen. 221. 



CL ADOSPORIUM, Xink. 



Flocci flexuous, more or less branched, 

 jointed, flexible ; spores short, at length 

 uniseptate, springing from the sides or 

 terminal.— ^er/j. Outl.p. SAQ. {Fig.266.) 



Fig. 256. 

 1744. 



Cladosporiuxn hezbaruzn. 



Cladosporium." 



X^. "Common 



Tufts effused, soft, dense, green, then olive-black ; flocci col- 

 lapsing, pellucid, as well as the olivaceous spores. — Link. Sp. 1, 

 p.39. Fr.S.]\l.m. p.^lO. Eng. FI.y. p. S38. Nees.f. 64:,B. 

 Cooke exs. no. 862. Dematium articulatuni, Sow. if. 400,/. 8. Fl. 

 Dan. t. 2211, f. 2. Corda. Anl. t. B.f. 10, no. 1. Bisch.f. 3733. 



