446 CoKER: NortTH AMERICAN SPECIES CF ENCALYPTA 
of long narrow cells; perichaetial leaves 2-3 mm., more acuminate. 
Dioicous. Seta about 1.5-2 cm. long, slightly papillose, purple; 
calyptra 8-10 mm. long by 1 mm. wide, brown, lacerate at base, 
very rough at apex, entire surface slightly papillose; lid 1.5 mm. 
long; capsule 4-5 mm. by 2-3 mm. wide, larger at base, deeply 
grooved with 8 striae, which are spirally twisted 2—3 times around 
the capsule; annulus large, compound, persistent; mouth bordered 
by 2-3 rows of small thick-walled quadrate cells; neck short, 
stomatose, red; peristome double; teeth long, narrow, orange- 
colored, very papillose ; endostome with 32 paler papillose segments, 
one half the length of teeth, united at base by a thin papillose 
membrane; spores 8—12y, smooth, irregular, ripe in early summer. 
TYPE LOCALITY: European. 
DIsTRIBUTION: On limestone rock, sand and earth in tem- 
perate and alpine regions of Canada and Ontario to the Rocky 
Mountains; Eastern States from Vermont to Virginia; Central 
States from Ohio to Minnesota; Colorado and California, accord- 
’ ing to Paris Index. Also Europe and Asia. Fruit plentiful in 
Europe but not yet found in North America. 
ILLUSTRATIONS: Hedw. Sp. Musc. pl. ro. 1801 (as Encalypta 
streptocarpa); Bryol. Eur. pl. 204. 1838. 
' ExsiccataE: Sull. Musci Allegh. r52. 1845; Aust. Musci App. 
175. 1870; Macoun, Can. Musci 135; Holz. Musci Acro. Bor. Am. 
I4I. 1904. 
I would like to acknowledge my appreciation of the assistance 
and unfailing interest given by Mrs. N. L. Britton, without which 
this work could not have been done. I am also indebted to the 
officers of the New York Botanical Garden for help and the use of 
the Library and the Herbarium, and to Professor J. M. Macoun, 
of the Department of Mines, Geological Survey, Ottawa, Canada, 
for the loan of the Macoun collections of Encalypta, containing 
the types and co-types of Kindberg and Miller. 
COLUMBIA UNIVERSITY. 
CHRONOLOGICAL BIBLIOGRAPHY 
1. Dillen, J. J. Historia muscorum. Oxford. 1741. 
2. Linnaeus, C. Species plantarum. Stockholm. 1753. 
3. Swartz, O. Methodus muscorum illustrata. Upsala. 1781. 
4. Hedwig, J. Fundamentum historiae naturalis muscorum fron- 
dosorum 2. Leipzig. 1782. 
5.. Leysser, F. W. von. Flora halensis. Ed. 2. Halle. 1783. 
