THE LICHEN FLORA OF THE SANTA CRUZ PENINSULA 57 



Thallus very thin, of white or gray granules, or altogether absent; 

 apothecia also growing upon the thallus of Cyphelium inquinans. 



Apothecia not abundant, small, shiny, black, the stipe slender or 

 sometimes robust; capitulum hke a smooth cylindrical club in shape; 

 margin thin, entire, erect, concolorous; disk from dot-like becoming 

 small, circular, plane; section of fruit light brown, becoming violaceous- 

 reddish basally; paraphyses abundant, hair-hke, about ^ /i thick; asci 

 elongate cylindrical, 12 — 15 X 190 — 230 n; thecium bluish with I; 

 spores dark brown, pointed-ellipsoid to elongate spindle-shaped, 

 mostly 4-locular, but also simple and then containing large oil drops, 



9^ — 14 

 or bilocular, trilocular, 5- and 6— locular; {J- 



36.7 - 5ii 



On the bark of P seudotsiiga iaxifolia, mingled with Cyphelium 



inquinans, at Devils Canon, alt. 2300 feet. Found on the bark of 



various Coniferae in the mountains of Europe. 



IX. Sphlnctrina E. Fr. 



Sphinctrina E. Fries, Syst. Orb. Veg. 120. 1825. 

 Sphinctrina Crombie, Brit. Lich. i : 83. 1894. 



Thallus obsolete, the apothecia growing upon crustaceous bark 

 lichens, usually some species of Pertiisaria. Apothecia sessile or very 

 short-stipitate, pear-shaped to globose, shiny black, at first closed 

 with a dot-like, deeply impressed disk; spores simple or rarely bilocular, 

 from colorless becoming dark. 



"O 



I. SPHINCTRINA TUB^FORMIS Mass. 



Sphinctrina ttibcpformis Massalongo, Mem. Lich, 155. 1853. 



Sphinctrina tuhceformis Tuck., Gen. Lich. 241. 1872. 



Calicium microcephalum Tulasne, Mem. Hist. Lich, 78, pi. 15, f. 20. 



1852. 

 Sphinctrina microcephala Nyl. Mem. Soc. Cherb. 5* 91. 1857. 

 SphifKtriiia microcephala Crombie, Brit. Lich. i : 84. 1894. 



Thallus wanting; apothecia minute, globose to top-shaped, sessile 

 or almost stalked; color a very dark polished brown; at first closed; 

 when open the disk is very small, concave or plane, bordered by the 

 thick, entire proper margin; asci slender, long, cylindrical; paraphyses 

 septate, thread-like, simple or slightly branched; thecium bluish with 



