50 HERRE 



Abundant on precipitous rocks just above high tide, Point Lobos, 

 San Francisco. Described from the northern coast of France. 



2. ARTHOPYRENIA ANALEPTA (Ach.) Korber. 



Lichen analeptus Ach. Lich. Suec. Prodr. 15. 1798. 

 Verrucaria analepta Ach. Meth. Lich. 119. 1803. 

 Arthopyrenia analepta Korber, Syst. Lich. Germ. 367. 1855. 



Thallus effuse, thin to obsolete, forming olive or coppery patches 

 on bark. 



Apothecia small to minute, usually not numerous, scattered, black, 

 sessile or hardly innate, hemispherical to conical; perithecium dimidi- 

 ate; paraphyses disappearing in a gelatinous mass; asci long, tubular, 



fjL m t spores 4, 6, and 8 in the asci, bilocular, ellipsoidal, con- 



12 14 

 90 122 

 stricted at the middle, the divisions wedge-shaped, one often larger 



than the other, _ ^ //; once observed 3-locular; asci and their con- 



17-25 

 tents yellowish-brownish with I. 



Rare; on the bark of Schinus molle (pepper tree) at Mayfield. 

 Originally described from Northern Europe, but found throughout 

 the world. 



3. ARTHOPYRENIA ANALEPTELLA (Nyl.). 



Verrucaria analeptella Nyl. Flora, 363. 1872. 



Thallus very thin, effuse, smooth, continuous, shining; whitish, to 

 drab and olive; brownish with KOH; CaCl 2 O 2 . 



Apothecia not very numerous, minute, semi-immersed, flattened 

 hemispherical, spreading basally; ostiolum depressed, dot-like; peri- 

 thecium dimidiate, thick, black; paraphyses free, distinct, branched, 



twining; asci tubular to ventricose, /*, averaging - - a: 



52 - 73 58 



spores in 2 rows in asci, bilocular, or with several false septa, sur- 

 rounded by a halo, oblong-ellipsoidal, -V- '-/*; no reaction with I. 



10 22 



Rare; on the bark of Platanus racemosa, in Stevens Creek Canon. 

 Common in Europe on smooth-barked trees; near Arthopyrenia 

 analepta (Ach.), but differing in the distinct paraphyses. 



