Evans: New West Indian Lejeuneae 379 



cells , 





cell (as in Harpalejeuned), nearly straight near base, then strongly 

 outwardly curved to apex, postical margin slightly curved, form- 

 ing a shallow indentation at junction with keel, apex obtuse or 

 rounded, margin entire or very vaguely crenulate from projecting 



lobule 0.2 mm. long, o.i mm. wide, free margin revolute 

 or appressed to lobe, sinus lunulate, forming together with the 

 apical tooth the opening into the water-sac ; cells of lobe averag- 

 ing 1 6// at the margin, 20 x 16/^ in the middle, and 25 x 16 ft 

 at the base, trigones large and distinct, triangular, intermediate 

 thickenings occasional, oval or rotund, sometimes confluent; 

 ocelli none: underleaves appressed, broadly obovate, 0.12 mm. 

 <ong, 0.19 mm. wide, cuneate toward base, slightly retuse at the 

 apex, thus forming the two rounded divisions, margin faintly 

 crenulate from projecting cells : inflorescence dioicous : 9 inflor- 

 escence borne on a more or less elongated branch ; bracts widely 

 spreading, the lobe abruptly dilated from a narrow base, falcate, 

 tne antical margin strongly curved and much longer than the pos- 

 tical, ovate, 0.95 mm. long, 0.75 mm. wide, abruptly acuminate, 

 margin sparingly and irregularly dentate with rounded or obtuse 

 teeth, lobule linear, obtusely pointed, 0.17 mm. long, 0.03 mm. 

 r h SOmetimes obsolete, keel rounded, not winged; bracteole 

 slightly adnate at base on both sides, ovate to ligulate, 0.6 mm. 

 on g. 0.25 mm. wide, shortly bifid at the apex with a sharp sinus 

 erect obtuse or rounded divisions, margin more or less crenu- 

 ate from projecting cells ; perianth not projecting beyond bracts, 

 a ' 7mm :>, long ' °-45 mm. wide, truncate or slightly retuse at the 

 jP ex : o' inflorescence occupying a short branch or terminal on a 



nger branch: neck of fertilized archegonium usually projecting 

 s roug . beak of perianth : capsule about 0.25 mm. in diameter; 

 .Pores irregular in form but mostly oblong, greenish, about 28 ft 



s ort diameter, minutely verruculose on surface and also bear- 



,5 scatter ed circular patches of minute radiating ridges. (Plate 

 2 7. figures 1-10.) 



On bark of trees. Jamaica: Blue Mountain Peak, Johnson 

 \St 0), Evans (221 p. p.). No. 6 is the type specimen. ' 

 <w ^ absenc e of floral organs L. grandiflora might easily be 



Harpalejeu 



j ..w w uh, optica ui 



, eaVes are Wunter than is usual in this genus. Among: West 

 aian species H. sub*™** ™;„u,. u„ „:^ 



Of course 



ji —*'•»•■•' ujigui Lit uitu do an cAaiiipiw. v^i v,v**-^w 



e issection of the lobule and the demonstration of the hyaline 



d ? a Would a t once remove all doubt, but there are a k\v other 



1 erences which might also be noted in this connection. In L. 



