288 BOTANICAL GAZETTE [APRIL 
3. DERMATOCARPON MINIATUM (L.) Mann. 
4. DERMATOCARPON MINIATUM COMPLICATUM (Sw.). 
5. ENDOCARPON PUSILLUM Hedw. 
6. Endocarpon tortuosum Herre, n. sp.—Thallus of small or 
irregular foliose squamules, tortuous and nodulose, often forming 
a rough, thick, and very irregular indeterminate crust; sometimes 
the squamules are densely compacted to form a thick, almost uni- 
form torulose crust, while the squamules are stipitate, erect, and 
7 mm. or more in height. When the squamules are scattered, their 
lobes are much dissected, and more or less complicate, recalling | 
E. pulvinatum. 
Color dull brown, verging from ashy brown to a dark, almost 
purplish brown; more or less greenish when wet; KOH-; 
CaCl,O,—. 
Apothecia minute, immersed, the ostiolum sometimes visible 
with a strong lens; perithecium nearly colorless or very pale brown- 
22.5-30 ‘a 
’ 85-5359 
their contents copper red with I; paraphyses short, confluent, 
blue with I; spores 2, the upper one the larger, muriform-multi- 
locular, the locules 4 across the spore, ro or 12 in number the long 
way, at first colorless and mostly pale yellowish brown, but finally 
ish; asci sub-cylindrical to saccate and top-shaped 
dark brown, ne #; hymenial gonidia elliptical, measuring 
2-1573-3 4 
§-O-O.7 
The plant is abundant 2 miles north of Reno, on shaded and relatively 
damp rock walls with a north or northeast exposure, at an altitude of 5000 feet. 
It is also frequent on cliffs in a cafion above Marmol, near the state boundary 
line, at an altitude of 6000 feet. 
7- MicrorHetta MEtzLeRt Lahm. 
8. LECIDEA ATROBRUNNEA (Ram.) Schaerer.—I have included 
under this name a large series of specimens which may represent 
two or three species. Some of the specimens bear a very close 
resemblance to Lecidea fumosa (Hofim.) Ach., but do not agree 
in the apothecial structure. Other material is probably 2 2e¥ 
