FLOWERLESS PLANTS. fg 



Sticta quercizans, (Michx.) Ach.— Mts. Trunks and rock* 



glomerulifera, (Lightf.) Delise.— Mts. Trunks and rocks. 

 Bavenelii, Tuck.— Low. Trunks, 

 crocata, (L.) Ach.— Mts. (Buekl.) Bocks. 

 aurata, (Sin.) Ach.— Common. Eocks and trees. 

 Parhelia perlata, (L.) Ach.— Common. Eocks and trees, 

 crinita, Ach.— Mid. and Up. Trunks. 

 perforata, Ach.— Mid. and Up. Trunks, 

 laevigata, (Sm.) Ach.— Common. Trunks, 

 aurulenta, Tuck.— Up. Trunks and rocks. 

 tiliacea, (Ehrh.) Ach.— Common. Trunks and rails. 

 Borreri, Turn.— Low. and Mid. Trunks, 

 aleurites, Ach.— Mts. (Bay.) Trunks and rails, 

 colpodes, Ach,— Mid. and Up. Trunks, 

 olivacea, Ach.— Mts. (Ear.) Trunks, 

 caperata, (L.) Ach.— Common. Trunks and stones, 

 conspersa, (Ehrh.) Ach.— Common. Eocks and stones, 

 ambigua, Ach.— Common. Trunks and dead wood. 

 Physcia chrysophthalma, (L.) D. C— Low. On trees. 



parietina, (L. Duf.) NyL— Common. On trees, 

 candelaria, (Ach.) ISTyl.— Low. and Mid. On trees, 

 aquila, Ach. (Nyl.)— Mid. and Up. Trunks, 

 speciosa, (Wulff. Fr.)— Common. Trunks, 

 stellaris, (L.) — Common. Trunks and rocks, 

 obscura, (Ehrh.) NyL— Mid. and Up. Trees, 

 picta, (Ach.) Kyi. — Low. Trunks. 

 Umbilicaria mammulata, Ach. — Mts. Eocks. 



Pennsylvania, HofTm. — Mts. Eocks. 

 pustulata, Hoffin. — Mid. and Up. Eocks. 

 Muhlenbergii, (Ach.) Tuck— Mid. (Sehwein.) and 



Up. Eocks. 

 Dillenii, Tuck.— Mid. and Up. Eocks. 

 Pyxine Cocoes, (Sw.) Nyl. — Mid. and Up. Trunks, woods and 



rocks. 

 Pannaria rubiginosa, (Thunb.) Delis.— Mid. and Up. Trees. 



leucosticta, Tuck. — Mid. (Sehwein.) Rocks and trees, 

 tryptophylla, (Acln Fr.) Nyl.— Mid. and Up. Eocks 

 and trees. 

 Coccocarpia stellata, Tuck. — Low. Trunks. 



