If I 



711 



licrbncooiis stoiiis, in Carolinn. on E iipatovium piirpurcjim, Pcnnsyl- 

 viiiiia and New .Jersey; pioltalily common tliroiiirhout tlic I'nited 

 States. 



Lcptoxtfoina vtilffure, Vr., is considered to l»e liie spcrmoironial 

 torni of tliis species; ?))orides elon<rated, sul)olitnso. sliizlitly curved, 

 lotitinuons, 7 x li-2 /i. The diaunoses of" tliis and of //. i/'i-f/iiffoni/ii 

 are almost identical, and wlietlier the two are really <listinct may well 

 lie doiilited. //. contmnue seems to diller only in its more ol»tuse, 

 rather small(;r peritliecia with less ojien lips. 11' the two are really 

 distinct, the diiVerence is to lie soui>ht in the spermoiionia. Ifi/.sfcriiim 

 r<>/{f/ii('ti^, Sehw. Syn. N. Am. 2101. ami //. i'.rp(tJh;ns. .<chw. l". c. 21(M'). 

 are apparently only forms u^ Ilijpoderiint co/itmunc, i)iit the spccc. in 

 IJcil). ."^chw. are entirely sterile. 



H. vii'j>;ult6ruiii, DC. Flore Franc. Vi, p. \(\o. 



Ilvsleiinm Riihi, Tors. Ohs. Myc. I, p. St. 

 Kxsicc. Fckl. !•'. Rli. 757.— Kiiiize F. St-l. 162.— M. M: N. Stirp. Vog. 56.1.— Rohm .•\sc. 362. 

 yuj.— Sydow. M. March. 329.— Thiiiii. M. r. iSo.— Rav. V. Am. ;,2.|.— Roiiiii, V. ("■ 

 270.— KU. & l';vtht. N. A. K. 21I Scr. 237S. 



Peritliecia scattered, snltinnate, lyinj; parallel in the direction of 

 the a.xis of the stem, eloniiateil. acute, smooth, sliininu', ltlack,at lentrtli 

 uapiniT. iiray inside. Asci clavate-ol»lon<r, lonu-stipitate. 8-spored. 

 IK) .\ !) It, with liliform parajjliyses hooked or s]m'ally coiled aliove. 

 .•^poridia fusoid-elongated, snltohtuse, straight oi- sliuhtly curved. 

 2-celletl. 2-nucleato, hyaline, 21-24 .\ 3-4 ji; polysticlious. The sjter- 

 iiioiionial stage is Leptodroina virtjultorum, Sace., with l-cellcd, suli- 

 cylin<lri('al sporules 4-o .\ 1 //. 



On dead stems of liiibnH, New Jersey and Carolina, on l»ramlile. 

 California (Ilarkness). 



H. ilieiiiiim, I)e Not. (Jioin. Hot. Ital. II, \). 35, Dulty, llyst. \). 40. 



Exsicc. Hir N. A. V. looo. 



liniate, epiphyllous, scattfM-ed, elliptical, obtuse at the enils, at 

 length deciduous, dark gray as seen through the epidei-mis, 700 x 

 o.lO fi; lips slightly swollen, wliite-niargined, at first closed, at length 

 jiartially open, exposing the pallid disk. Asci davate-stipitate, 80 x 

 12 //. p. s|). aliout r)0 X 12 II, paraphysate, S-spored. .*^poi'idiii ohiong 

 or clavate-cyliiidrical, slightly eurverl, hyaline, al»out 1 ')-20 x 3-4 /<. 

 continuous, indistinctly nucleate, at length faintly uniseptate. 



On leaves of Qnercus virens, Ililiernia, Florida (Dr. Martin), on 

 leaves of some species of oak, in Mexico (Dr. Kckfeldt). 



The measurements of asci and sporidia are from the Florida 

 specimens. 



