44 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 
let lance NOMS Oe 
Leight. |. c. p. 496. (Verrucaria.) 
Verrucaria muralis, Ach. f. epipolia, Nyl. (Det. by Dr. Nylan- 
der.) Thallus seurfy, thin, sordid white. On ealcite, 
San Gabriel range. 
V. circumspersella, Nyl. Thallus white, pulverulent, effigurate. 
Apothecia prominent, black, shining. Sp. ellipsoid, 3- 
septate, 24 to 26 micr. long, 7 to 8 thick. Asci tubulra. 
Paraphyses distinct, capillary, with odine faint yellow. 
Caleareous rock, Malibu Conon, 8. M. range. 
Iahne, Il, @s IN@, 1755), 
V. epidermis, Ach. Thallus white, mealy, apothecia semi-globu- 
lar, covered by thallus. Sp. 1-septate, the two cells con- 
stricted and at times falsely septate at constriction. 
Paraphyses stout, articulated, branching. On Euphor- 
bia misera, San Clemente Island. (Blanche Trask.) 
Leight. L. C. p. 463. 
V. epidermidis cinerea-pruinosa, Schaer. On Platamus, 8S. M. 
range. 
Leight. |. e. p. 464. 
V. epidermis apalepta, Ach. Soldiers’ Home grounds on Gre- 
villea. 
Leight. 1. ¢. p. 463. 
V. chlorotica, (Ach.) On Frazinus dipetala, San Gabriel Canon. 
Leight. |. e. p. 472. 
Hue, |. c. No. 1773. 
V. chlorotica, (Ach.) f. trachona, (Taylor.) Thallus pulveru- 
lent. Sp. 3-septate, fusiform, 27 to 30 mier. long, 8 mier. 
thick. Argillaceous rock, S. M. range. 
V. conturmatula, Ny Thallus absent. Sp. 1-septate, 16 mier. 
long, 8 thick. Paraphyses indistinct. On quartz, San 
Gabriel Canon. 
Hue, 1. c. No. 1838. 
V. punctiformis diminutula. Nyl. Sp. l-septate, 22 to 28 miecr. 
long, 7 to 74% thick. On oak, Strawberry Valley, San 
Jacinto Mts. 
Hue, |. ce. No. 1845. 
Leight. 1. c. p. 467. 
V. cerasi, (Ach.) On Malvastrum fasciculatum, 8S. M. range. 
Leight. |. ¢. p. 471. 
Hue, |. e. No. 1849. 
V. integrella, Nyl. Sp. smaller than those of V. integra, of 
which it is made a subspecies by Nylander. On earth, 
(forma terrestris.) S. M. range. 
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