Evans: Hepaticae of Puerto Rico 175 



tion. Unfortunately, the lobule is often poorly developed and 

 fails to show some of the peculiarities which have just been 



described. 



The underleaves are distant and smaller than is usual among 

 the Holostipae. They are obovate and entire, the apex varying 

 from truncate to slightly retuse. When rhizoids are developed 

 they usually spring from a distinct basal radicelliferous disc. 



The inflorescence is dioicous, and the male and female plants 

 usually occur in separate mats. The female branch varies greatly 

 in length and nearly always give rise to one or two subfloral inno- 

 vations. In rare cases, however, the branch remains perfectly 

 simple. The perichaetial bracts are a little larger than the leaves 

 and their lobes are relatively narrower ; the lobules are rounded 

 to subacute and the sharp keels are narrowly winged. The bracteole 

 is free and mostly obovate-oblong in outline, the apex varying from 

 rounded to slightly retuse (figures 19, 2 1 ). The perianth is obo- 

 void and normally shows five sharp keels (figure 23) and a short 



but distinct beak, 

 or is terminal on a more or less elongated branch. The bracts 

 are imbricated and diandrous, and the bracteoles are limited to the 

 base of the spike. 



Anoplolejeunea conferta (Meissn.) 



Jungermannia conferta Meissn. ; Sprengel in Linnaeus, Syst. Veg. 



ed. 16. 4: 325. 1827. 

 Lejeunea subaurita Nees & Mont. Ann. Sci. Nat. Bot. II. 5: 60. 



1836. 

 Lejeunea Miquelii 

 15. 1838. 



b 



7 



proteoides Lehm. & Lindenb, /. c. 7 : 19. 1838. 

 conferta Meissn. ; G. L. & N. Syn. Hep. 333- l8 45- 

 involutiloba Mont. Ann. Sci. Nat. Bot. IV. 5 : 35o. 1856. 

 (Anop/o- Lejeunea) herpestica Spruce, Hep. Amaz. et And. 



129. 1884. 



Lejeunea (Platylejeunea) conferta Steph. Hedwigia 27: 284. 



1888. 



(Arc hi- Lejeunea) conferta 

 iplolejeunea herpestica Schiffn. 

 zenfam. I 3 : 131. 1895. 



eph. I.e. 29: 21. 1890. 

 Engler & Prantl, Nat. Pflan- 



