THE LICHEN FLORA OF THE SANTA CRUZ PENINSULA 1 43 



7. LEPTOGIUM RHYPARODES Nylander. 



Leptogium rhyparodes Nyl. Flora, 210. 1865. 



Leptogium rhyparodes Leighton, Lich. Flora Grt. Brit. ed. 3. 26. 



1879. 

 Leptogium rhyparodes Crombie, Brit. Lichens, 1: 64. 1894. 



Thallus effuse, microphylline, furfuraceous, areolate, sub-granu- 

 lose, blackish, wine-red with I. 



Apothecia concolorous or reddish brown, very small, at first con- 

 cave, then plane, eventually the margin excluded; thecium blue with 

 I; spores colorless, ovoid to ellipsoid, tapering to a point at one end, 



more or less muriform-multilocular, ^ a. 



20 - 30 



Occurring with dwarf mosses on sandstone; described from speci- 

 mens collected at Grizzly Peak, altitude 2700 feet. Originally de- 

 scribed from Scotland. Collected by Dr. Hasse in the Santa Monica 

 Range near Los Angeles. 



8. LEPTOGIUM PALMATUM (Huds.) Mont. 



Lichen palmatus Hudson, Fl. Ang. ed. 2. 536. 1778. 

 Leptogium palmatum Montagne, PI. Cell. Voy. Pol. Sud. 128. 1845. 

 Leptogium palmatum Tuck. Syn. N. Am. Lich. I: 159. 1882. 

 Leptogium palmatum Herre, Proc. Wash. Acad. Sci. 7: 381. 1906. 



Thallus medium to large, more or less tufted, very irregular, deeply 

 laciniate; lobes more or less convolute, with crenate margin, the 2 — 

 4 corniculate tips erect, narrow, tubular, pointed or blunt; surface of 

 thallus finely wrinkled and pitted; beneath paler, wrinkled; color 

 usually reddish brown to chestnut, sometimes greenish lead-color. 



Apothecia scattered, becoming very numerous and crowded, con- 

 colorous or red-brown; the paler elevated margin entire; spores muri- 



12 — 16 



form-multilocular, ovoid or elhpsoid, l^. 



30 — 48 



Abundant on earth, mosses, and rocks; often occurring in very 

 extensive patches. 



Occurring generally throughout Europe, Algeria, and the Cana- 

 ries; in America apparently confined to the Pacific Coast from 

 British Columbia southward, but probably not extending into south- 

 ern California. 



