334 BOTANICAL GAZETTE ; [OCTOBER 
Lecidea Nuttallii Calk. & Nyl., sp. nov.—-Apothecia nigra parva; 
epithecium impressum ; spora fusca oviformis I-septata, long. 0.014-16, 
crass. 0.005—6™"; hypothecium fuscum. In toto gelatina hymenialis 
vinose rubescens. 
Super thallum Ricasolia sublevis Nyl. West Virginia, near Nut- 
tallburg, L. W. Nuttall coll. no 1781. Flora of West Virginia, Millsp. 
& Nutt., 181. 
Arthonia aleuromela Nyl., sp. nov.—Thallus albus subfarinaceus 
chrysogonidicus tenuissimus ; apothecia subrotundata vel oblonga, 
prominula, latit. o.4—0.5""; spora oblongo-oviformis parte. inferiore 
attenuata, I-septata, long. o.o10-11, crass. 0.003". In toto gelatina 
hymenialis ccerulescens, dein obscurata. 
Thallus detritus subaureus, CaCl vix reagens. Gonidia chroole- 
poidea fulvescentia. 
On bark of Quercus sp. West Virginia, near Nuttallburg, alt 
2000 feet, L. W. Nuttall coll. no 1182. Fora of West Virginia, 
Millsp. and Nutt., 182. 
Lecanora deplanans N yl., sp. nov.—Thallus glauco-cinerascens tenuis 
areolato-rimosus determinatus; apothecia badio-rufescens ~ (satis 
diluta) innata subconcaviuscula, latit. o. 5—o.7™; spora ellipsoidea, 
long. o.015—16, crass. 0.009-I.010™"; epithecium inspersum. In toto 
gelatina hymenialis fulvo-rubescens. } 
Videtur species e stirpe Lecanora cervina, spermatiis ellipsoideis. 
On rocks in bed of creek. West Virginia, Short Creek, alt. 130° 
feet, L. W. Nuttall coll. no. 1126. Flora of West Virginia, Millsp. 
& Nutt. 178—C, F, Mituspaucu, Field Columbian Museum, Chicagr, 
and L. W. Nurratt. 
