526 Evans: A new Lejeunea 



cous: 9 inflorescence sometimes borne on a leading branch, some- 

 times on a more or less abbreviated branch, innovating on one 

 side, the innovation sometimes sterile, sometimes with a second 

 9 inflorescence; bracts obliquely spreading, varying greatly in 

 size, distinctly complicate, lobe oblong to obovate, when well 

 developed about 0.45 mm. long and 0.3 mm. wide but often con- 

 siderably smaller, margin as in the leaves, lobule ligulate, rounded 

 at the apex, about 0.16 mm. long and 0.06 mm. wide; bracteole 

 mostly obovate, about 0.4 mm. long and 0.25 mm. wide, bifid one 

 third or a little more with erect, acute, obtuse, or rounded divisions, 

 margin as in the leaves; perianth obovoid, when well developed 

 about 0.5 mm. long and 0.35 mm. wide, terete in the lower half, 

 distinctly five-keeled above, narrowed toward the base, truncate 

 or slightly retuse at the apex and with a short but distinct beak: 

 cf inflorescence usually occupying a short branch and not prolifer- 

 ating, bracts closely imbricated, in two or three pairs, strongly 

 inflated, shortly bifid with a crenulate, strongly arched keel and 

 rounded divisions; bracteole usually single at base of inflores- 

 cence, smaller than the underleaves, bifid : capsule about 0.2 mm. 

 in diameter. 



Bermuda: on rocks and stones, Church Cave and vicinity, 

 July, 1900, M. A. Howe 7; February, 1908, 5. Broztm 504, 505; 

 September, 1912, E. G. Britton 1088; on rocks and stones, Wal- 

 singham, June, 1900, M. A. Howe 3; September, 1905, E. G. 

 Britton 286; gully, Tuckerstown, September, 1905, E. G. Britton 

 J2j; February, 1908, 6'. Brown 516; on bark and roots, Abbott's 

 CHfT, September, 1912 and 1913, E. G. Britton 888, qji, gj2 (in 

 part), Qjj, 1867; on bark, without definite locality, 1908, S. 

 Brown 559a. 



Cuba: in a ravine and on roots of royal palm, San Luis, 

 Oriente, April, 1909, N. L. Britton 2327, 2j2g; on shaded limestone, 

 Tropical Park, Puentes Grandes, Havana, August, 191 1, Brother 

 Leon 2yjQ. 



Porto Rico: on trunk of a tree, near Rio Piedras, January, 

 1899, Mr. &' Mrs. A. A. Heller 147; near Bayamon, July, 1901, 

 Underwood & Griggs 892; vicinity of Coamo Springs, March, 1906, 

 M. A. Howe 1371; on bark and on earth, Lares to San Sebastian, 

 April, 1 91 3, Britton & Marble 27 qq, 2800; at base of tree, vicinity 

 of Ponce, March, 1913, Britton & Shafer 1747; on bark, Canda- 

 laria, near Bayamon, February, 1914, E. G. Britton 1521. 



St. Thomas: on banks and stones, St. Peter, February, 1913, 



