2. 1 *. rubiginosa, Thunb. On trees in swamps. Rare. Exsic., 
Lojka, n. 71. 
/>. conoplea , Fr. On rocks. Rare and sterile. 
3. P. leucosticta, Tuck. On rocks, 1S64. 
4. P. bl'llllliea, (S\v.) Mass. On the earth at “ Hockley,” Wey¬ 
mouth, 1864. 
5- P. nuerophylla, (S\v.) Del. On rocks, N. B. and Weymouth. 
Rare. 
6. P. tryptophylla, (Ach.) Mass. On rocks and trees, N. B. 
Sterile. Once found fertile on tree in Weymouth, 1S66. 
7. P. molybdtea, (Pers.) Tuck., b. cronia , Tuck. On rocks and 
trees. Sterile. 
5. P. byssina, (Hoffm.) Tuck. On earth about bank walls. 
Rare. 1S6S. 
m. SPILONEMA, Born. 
1. A sterile plant not uncommon on rocks, sent to Tuckerman as 
“ Ephebe minor , n. sp.,” is considered by Tuck., Genera , p. 131, as 
perhaps belonging to this Genus. 
17. EPHEBE, Fr., Born. 
1. E. pubescens, Fr. Cornell’s ledge, Dartmouth, sterile. But I 
once found a spermogoniferous state, with minute spermatia. 
2. E. solida, Born. On rocks, N. B. and Weymouth. 1866. 
IS. LICHINA, Ag., Mont. 
1. L. COllftnis, (S111.) Ag., * Willey/, Tuck. Cornell’s ledge. 
Dartmouth, several miles from salt water, 186S. 
The peculiarities of this plant were first pointed out by me to Tuck¬ 
erman. who sent it to Schwendener as “ Thamnidium Wil/evi, Tuck.” 
lie described and figured it in Algentype.n der Flechtengouidien . but 
without adding anything material to my observations. 
lb. PYREN0PN1S, Nvl. 
1. P. coin pacta, Willey. Nvl., Japan, p. 10 2. “ Thallus black, 
verv thin, effuse, glomerulose. Apoth. blackening, convex, immar- 
o-inate, o,3-0,4 mm. in diameter. Spores ellipsoid, .022-30 by .011- 
14 mm. Paraphvses scanty, the thekes blue with iodine.” On earth 
