350 LICHKNES. 



B. hvpiiopliila. Turn. Earth and mosses. 



H. milliai'ia. Fr. Old rails or wood. 



n. rubella, I'^r. : bark of trees. — var. sufVusa, Tuck. ; 

 trunks antl rocks. — var. Schvvcinit/ii, Tuck. ; bark 

 of trees. — var. inundata. Fr. : dccayinjj wood. 



Ileterothecium pezizoidcuni. Flot. I"'ir baik. 

 ] I. sanjjuinarium. k'lot. Trunks. 



H. tuberculosuin, Flot., \ ar. porphyrites. Tuck. Mans- 

 field Mountain. 



r>ccidea contij^ua. Fv. ; rocks and stones.— -var. albo-c(r- 

 rulescens. Fr. : rocks and stones. 



L. t"usco-atra. Vv. Rocks and stones. 



L. dolosa. \\ alil. Bark ot ])inci>. 



L. s[)ilota. I'r. Tiap and other rocks. 



L. nitrlancheinia. Tuck. Trunks and rails. 



Biiellia epiu^ea. Pers. ICarth. 



B<. lactea. Mass. (iranitic and other rocks. 



1^. Icpidastra. Tuck, (jranilic rocks. 



B. atro-alba. Flot. Cjranitic and other locks. 



B. albo-atra. Th. Fr. Tiunks. 



B. coracina. l"li. Fr. Rocks Mansfield Mountain. 



]?. parasenia, Ach. 'J'runks and dead woorl. 



B. diah ta, Xyl. Pines and hemlocks. 



B. mvriocarpa, DC. (Granitic rocks. 



B. Eliza). Tuck. Pine bark. 



B. saxatilis, Schicr. Rocks. 



H. petrea. Flot. ; rocks. — var. Montagnei. Tuck. ; rocks. 



B. geographica. Schair. Rocks. 



Lecanactis premnea. var. chloroconia. Tuck. Trunks. 



Opegrapha varia. Fr. Trunks. 



(). atra. Nyl. Trunks. 



(jraphis scripta, Ach. Bark of trees. 



G. dendritica, Ach. Trunks. 



Arthroni?^ lecidella, NyL Trees and shrubs. 



