CI. cristatella. 221 



Loca uatalia. America septentrionalis : ad terrain storilem 

 ill Montibus Albis (Mons Crawford) frcqucns et in CI. cristatellam 

 transiens; in regionibus inferioribus minus frequenter, ad Saratago 

 in New-York, Manchester in Massacliusetts (Oakes), teste Tuck., 

 Observ. North Am. Lich. p. 395. 



36. CI. leporiiia Fr. 



Diagn. Th alius primarius evanescens. Podetia elon- 

 gata aut mediocria, subcylindrica, ascypha, abundanter subdicho- 

 tome ramosa, continue cortitata, esorediosa, squamis destituta, 

 KHO fere — . Apothecia corymbosa. 



Syil. Cladoiiia leporioa Fr., Lich. Eur. Ref. (1831) p. 243. — Tuck., 

 Enum. North Am. Lich. (1845) p. 53, Suppl. Enum. North Am. Lich. (1858) 

 p. 428. — Nyl., Emim. Gen. Lich. (1857) p. 96, Syu. Lich. (1860) p. 227. — 

 Tuck., Observ. North Am. Lich. (1862) p. 395. — Tuck., Gen. Lich. (1872) p. 

 148, Syn. North Am. (1882) p. 255. 



Ceiiomyce divaricata Tayl. (N}-]., Syn. Lich. 1860 p. 227) in herb. Hook. 



tladiua leporiiia Nyl., Fl. (1866) p. 179. — Leight., Not. Lichenol. XI 

 (1866) p. 420, XII (1867) p. 123. 



Exs. Wright, Lich. Cub. n. 44 et ser. II n. 89. 



Descr. Th alius primarius demum evanescens, „squamu- 

 iosus, squamulis minutis, parce evolutis, eroso-lacinulatis" (ut ait 

 Tuck., Syn. North Am. p. 255). Podetia basi emorientia et apiee 

 aut prolificationibus diu accrescentia, e thallo primario aut sae- 

 pius e fragmentis podetiorum vetustiorum enata aut e ramis vel 

 prolificationibus podetiorum vetustiorum mortuorum formata, lon- 

 gitudine circiter 15 — 50 millim., crassitudine circiter 0,7 — 2,5 ( — 4) 

 millim., subcylindrica, ascypha, subdichotome aut e parte subra- 

 diato- aut irregulariter ramosa ramisque patulis aut divaricatis, 

 apicem versus aut apice breviter fasciculatiin vel radiato-ramosa, 

 apicibus obtusis aut breviter subulatis, aut apotheciis aut sperma- 

 goniis terminata, ad axillas e parte turbinato-incrassata crassitieque 

 hand raro circiter 2 — 6 millim., latere fissa et axillis perviis aut 

 e parte fere imperforata, caespitosa vel conferta intricataque, 

 suberecta aut adscendentia aut partibus vetustioribus prostratis 

 ramosque suberectos emittentibus, baud raro etiam curvata vel 

 flexuosa, esorediosa, corticata, cortice continuo, demum vulgo ru- 



