THE BRYOLOGIST 
Vol. XVII September, 1914 No. 5 
NORTH AMERICAN SPECIES OF THE GENUS RAMALINA.— PART VII 
R. Heber Howe, Jr. 
Section: Fusisporae R. H. Howe, Class. Fam. Usneaceae, 1 . c. 18, 1912. 
Asci containing 8 hyaline, fusiform spores ^ _^ 5 yu. 
Key to the Series Fusisporae. 
Laciniae subterete throughout . Montagnei 
Laciniae never subterete throughout (compressed) ...... stenospora 
Ramalina Montagnei DeNot. 
Synonymy: Ramalina Montagnei DeNot. Frammenti lich. Giorn. Bot. 
Ital. 2: 218. 1846. 
Ramalina rigida b. Montagnaei sensu Tuck. 
(?) Ramalina gracilenta Fr. 1 . c. 
Type: In the museum Instituto e orto Botanico, Rome, fide Dr. R. Pirotte. 
Type locality: “Nelle Antilie.” Cuba. 
Original description: ‘‘Thallo dense caespitoso, ramis alterne vel sub- 
dichotome ramosis, intricatis, linearibus, compressis, flexuosis, rigidis, nitidis, 
fulvescentibus, torulosis subindeque foraminulosis, superne sensim augustatis, 
ramella acutei formia sparsa, approximatare emittentibus, apotheciis thallo 
concoloribus, marginalibus, dorsalibusque, primum tuberculifinuibus vertice 
impressis, demum patellaribus, convexiusculis, brevissime pedicellatis, margine 
thallode incumbente, crinulato, erosore cinctis, basi imbilicatis, sulcoque peri- 
pherico impresso exaratis subapophysatis, sporidiis cylindracis utrinque ob- 
tusis, diametro septies longioribus.” 1. c. 
Figure: PI. XI. f. 1. 
Diagnosis: Thallus caespitose, terete or subcompressed , rigid, estriate-tuber- 
culaie, apices filiform, apothecia marginal , small, spores straight. KOH — . 
Description: Thallus caespitose (max. length 9 cm.), rigid, virescent; 
cortex nitidous, tuberculate; laciniae dichotomous, subterete or compressed, 
torulose, apices filiform. 
Apothecia common, small, marginal, subterminal, rarely spurred, concave 
at length convex, marginate, finally immarginate (max. diam. 3 mm.), disk buff. 
Spores fusiform, straight or substraight M- 
Contingent phases: (a) Sorediate-tuberculate. 
Substrata: On trees. 
Distribution: Uncommon in the Austral Zone. 
The July number of The Bryologist was published August 17, 1914. 
