Pranus JIume, P umimmas^, P Pnsua, P s alUu6, Pv ^menu. .lud 

 BroH.H,^07ieli(t pa'pynfera, behaves sinnliir to Ins ^ejitobasidnim iii Forinosii. 

 In tliese cases, Diaqns pcntagona is eonceriied AVith tlie development and 



Praetieally nothing lias been done so far m our countrv ni the way ot 

 controlliiiij the rn at^es of ^ak-in-ectb bv mean- of the artifu ul mfcdion of 

 th< ir fun_ai.-par -it. - \ o m u r a (18) siuec^dc d in making artifuial cultures 

 ot hi- .N((tiia and ruommtudcd it> tmpknmcnt for sucli ii practical t rul 



From the time Webber (Jil) su<ro;e.sted the economic importana; of 

 tli(-c funun, aiaii\ Ameri( in botaiiM- and cutomoloiri-t-, (-pociall\ tho«e 

 connwted witli the Florida A<f;rieultural Experiment Station, liave been ac- 

 tnd\ (iuig(Hl in p(ifc«tuuMh( method of iiliti.iil infection The name-, of 

 Rolf - (21, iJ; Go-- II d 1 oibt Mil;, r lu. ttt (10) and Berber 



(1-)) -hould hi nuntiontd m (oniuction ^Mth thi- inKrc-tiu^r ^vork 



Aschersonia Aleyrodis Webber. (PI. VI. fig. 1-7) 



Webber, in U. S. Dep't. Agric. Div. of Yeg. Pliys. and Path. Bull. 13. 

 (1897), p. 20; Rolfs and Fawcett, Florida Agric. Exp. Stat. Ball. 94. 

 (1908), p. 15; Fawcett, Special Studies. No. 1. Univ. of the State of Flo- 

 rida. (1908), pp. 10-17; Saccardo, Syll. Fungorum, 14. (1899) p. 991. 



Aschersoma tahittnsis Webber, in Jour, of Mycology, 7. (1894), p. :^63 ; 

 Swingle & Webber, Div. Veg. Phys. and Path. Bull. 8. (1896), p. 27. 



Stroma hypophyllous, depressed hemispherical, yellowish-white to cream 

 colored, coriaceous, 1-3 mm. in diameter, sclerotioid formed of thick-walled 



