THE LICHEN FLORA OF THE SANTA CRUZ PENINSULA 59 



i. CYPHELIUM BOLANDERI (Tuck.) A. Zahlbr. 



Acolium bolanderi Tuck. Lich. Calif. 27. 1866.' 



Acolium bolanderi Tuck. Syn. N. Am. Lich. II: 136. 1888. 



Acolium bolanderi Cummings, Williams, and Seymour, Lichenes 



Boreali- Americana, no. 141, San Diego, Calif. 

 Cyphelium bolanderi A. Zahlbr. Ascolichenes, 84. 1907. 



Thallus orbicular, passing into indeterminate, often large, patches 

 or sometimes with the thallus almost disappearing; of convex wart- 

 like areoles, sometimes sub-lobate at the circumference, usually 

 sparsely distributed, rarely contiguous; fertile warts becoming greatly 

 enlarged, so that they seem to be foreign; color whitish, and light to 

 dark ashy gray; the fertile areoles darker and somewhat tawny or even 

 yellowish brown; sometimes nearly the whole thallus passes into the 

 same color; a black hypothallus sometimes evident; KOH yellow, 

 CaCl 2 2 -. 



Apothecia innate, crateriform, the disk plane, black, more or less 

 gray pruinose, the proper margin obsolete; paraphyses long, slender 

 comparatively few in number, simple; I; asci small, cylindrical; 

 hypothecium narrow, brown, underlaid by a broad black band, the 

 remains of the proper margin; spores spherical, simple, 7.5 to 16 //in 

 diameter; specimens in Tuck. Herbarium from San Bruno Mountain 

 have spores 5 12 and 8 13 jj. in diameter; spores becoming pro- 

 truded in a black, columnar mass. 



Abundant throughout on various rocks. Reported only from the 

 coast region of central and southern California. 



(Named for H. N. Bolander, Californian educator, collector, and 

 botanist.) 



2. CYPHELIUM TIGILLARE (Ach.) Th. Fr. 



Lichen tigillaris Ach. Lich. Suec. Prodr. 67. 1798. 

 Cyphelium tigillare Th. Fries, Gen. Heter. Europ. 101. 1861.- 

 Acolium tigillare Tuck. Gen. Lich. 238. 1872. 



Thallus indeterminate, often spreading very extensively, of closely 

 appressed, irregular, often coalescing areoles, more or less fissured and 

 plicate, or reduced to small, scattered, sub-lobate warts; color bright 

 to dusky greenish yellow; KOH-; CaCl 2 O 2 . 



Proc. Wash. Acad. Sci., May, 1910. 



