2a 



<T1. 'I'Ah 



ft. (liuk. 



-2;"), hya- 



«r }\s tlio 



(liclioto- 



Ot ilt illl 



mall, 3<»- 



afinit, D. 

 , L. vapi- 



iiuur) 1111(1 

 uciit. iiii<l 

 lies of tli<' 



ocia ^iiiuill. 

 |t]K'ii(lagep 

 (llfi: ar* the 

 .'lies short. 

 \sci 4-10, 

 t. 

 nicejiiosiix. 



Ill is luoro 



nliiiiiilant and the reticulations arc larjiO- and more evident. 

 M. semitosa. B. & ('. (Jiev. IV, p. KKt. 



K|iipliylloiis. Myceliuiu persistent. I'eritlieeia few. soiaewliat 

 .|o<r|('(-iited. !M)-1(I(> //, delicate, leticnlations reuular and distinit. 

 alioiit l<>/<: apponda,!ies 12 oi- inore, al»ont etpial to the diameter of 

 the peiitheeiiiin, colored thronjihout, ]»aler toward the tip, or the color 

 stoppinu- at a distinct line like a septnni, 3 or 4 times diehotonionsly 

 Itranched, primary liranehes loni;-, others shoi-t. ti])S ol»tiise, not re- 

 curved. Asci seveial. Sporidia small, 10 .\ 1-') //. 



On Ci'phalunthvs occidental is, raw, Carolina (Cnrtis)? Illinois 

 (Waite, I'ammel). 



In the specimens examined, the nnmlier ol'asci varied Irom four 

 to six, and the sporidia in each seemed to lie aliont six, l)nt \vei<' jiooriy 

 developed This lact is evidently characteristic of the species, though 

 in some other species the ,*<poridia mature (piite as tardily. 



)I. Vat'ciiiii, (Seliw.) 



Jliysi/ilii' I'liaimi. Schw. Syii. N. Am. No. 2491. 



Aficrusfi/ieciu I'aitiiiii, C. Mt 1'. Krysiphci of tilt C S. in Jourii of Hot. 1872. 



AnipliigiMious. Mycelium thin and delicate, often evanescent, or 

 sometimes al)niidant, persistent. Perithecia variahle, often small. 

 ^iU-!)() //, or large, 11()-12(> //, fragile: appendages (5-20, hyaline, 

 smooth, slightly coloi-ed at base, 2 or 3 to as many as G times the 

 diameter of the jterithecium, liranching various, usually 3 or 4 times 

 forked, with the tips truncate or bilid, not recurved, occasionally more 

 ornate, with tip distinctly i-ecurved. Asci 4-8. small and broad. 

 al)out 40 X ,'»,') /z. Sporidia 4-G, small. 



On G(iyhiii.saciu rcsinoxo, Vacciiiintn l^eiinsylvdnicw)), V. Cona- 

 ilciisc, V. vaciUaiiis,V. conjinhosiim, Andromeda , and Epitjcaa repcns. 

 Kvidentiv not ol'teii collected. Massachnsctts (Sevmoni-) to Illinois: 

 Xcw Jer.^ey (Arthur). 



This is a variable species, not only in the character of the myce- 

 lium, l)ut in the length and Itrancliing of the appendages. In most 

 cases the ti]is are swollen and not at all recurved. It has sometimes 

 Iteen rel'erred to Evysiphe liocansc the a])pendages were not found to 

 be lorked, l)ut careful search has revealed soi'e forked tips in all the 

 sj)ecimeiis iit hand, incliKling those named Erysiphe by otIuM'S. More- 

 over, in all cases the appi-ndages are still" and somewhat straight, not 

 liaviiig tlie lloccose charactei- of tyjiical Eryniplie species. Peck re- 

 jiorts that he has never seen what has been called Erysiphc Vaccinii. 

 Schw., on Epigcea lepeus in fruit in New Yoi'k. but a specimen col- 

 4 



