V. I' 



)l. lacusti'iM, (Fckl.) 



Sfiluniii ltiinsl)is\ I'ckl. Symh. Nnclilr. II, p. 2i. 

 Mihisplun III ltiiu.slii.\. Slice. Syll. 3471), Ckf. Syn. 44h6. 

 Kxsicc. Hckl. 1". Kh. ^4,^6. 



Pciitlioci!! jrrcjriirioiis. covered Ity llie epideiiiiis, rniiilly eniiiipenl. 

 liioliose or soiiiewliiit depressed, witli tlie npex S(»iiie\vliiil sliiiiiiiu iiiid 

 erowneil witli ii siii:ill, perloiated, papillironn osti(»lmii. Idiiek, 180- 

 210// diaiii. Asei <'Ioimiitod-oliloiiir. sessile, ^!■spol•e<l, 7()-'.)() x 12-14 //. 

 witli iilMiiidaid paiiiplivses. Sporidia liiseiiate, ohlonu, at liisf iiiiisep- 

 tate, tlieii 3-septate. eoiistrieted at tlie septa, rounded at the n\[U. 

 hyaline, "iO-'ia x .") //. 



On Pln'iKjinitcx votninvtth, .Manhattan, Kansas (Kellennaii). 



The spoiidia are souiewhat longer than in the oiit>inal speee. ex- 

 amined l>y Dr. Winter. 



M. inl'ustaiis, E. & E. (in Heil».) 



I'eritheeia ureiiarions. on the inner surface (tf the sheath, de- 

 pressed-<rlol»ose. Iilack, \-\ nun. diani., the sultcoiiieal apex I'aisini!' the 

 ejdderniis into little pustules which hecouie uinliilicato at the apex iiv 

 the collapsinu' (»!' the papillironn ostiola. Asci ol>lon<r-cylindrical. 

 sessile, ])arai»liyaate, 70-80x10-12 ji. Sporidia crowded-hiseriate, 

 chvvate-oitlong', S-sejitate. Itnt not constricted, yellowish-hyaline, 1.")- 

 20 X 31-4.} /i. 



On the inner snilaci! ol" d(;ad, Itlackened, o\iter sheaths enclosiiiji- 

 the spikes of AmlroptHjim Vh-fjiuicii.s, Alaliaina (Atkinson). 



M. sabalensis, (Cke.) 



Spliicria sahalcnsh, Cke. Crev. VII, p. 5,5. 

 Dilophia sabaliim's. Sacc. Syll. 4i.>5. 

 Metasphcrn'a sabalnisit, Cke. Syii. 4523. 

 Kxsicc. EU. & Kvrlit. N. \. V. 2d Str. 1962. 



Peritliecia nuinerons, small, covered by the blackened epidermis 

 which is rai.sed into slitflit pustules. A.sci davate. 1 r)0 /i lonjj. Spo- 

 ridia biseriate, fnsoid, 45-50x4-41 //, hyaline, prolon<>ed at each end 

 into a, Inistle-like appendage, uniseptato at first, then 3-septate, tlu* 

 extreme sejitu near the ends. 



On dead petioles of Siihiil acrriihitd, (Jeoi-gia (Ravenel), Florida 

 (Calkins). 



M. ceratotheca, (Cke.) 



Spliieiia icmlulheca, Cke. (Irev. XI, j). 109. 

 Mclaspluci ia itiitlnthna, Sacc. Syll. 6150, ami Cke. Syn. 44S7. 

 Kxsicc. Rav. V. Am. 677. 



