1968] 



LEAFY HEPATICAE OF LATIN AMERICA PART III 



341 



on a short catkin-like ventral branch, the bracts and bracteoles in several series, the 

 bracts whitish, imbricate, shortly bilobed, concave. Female inflorescence on a short 

 ventral branch, the bracts and bracteoles in 3 or 4 series, the inner series bilobed 

 to one-third their length, the lobe acute with the margins undulate and dentate. 

 Perianth long, cylindrical below, 3-keeled becoming plicate above, the mouth irregu- 

 larly crenulate and with a few short cilia. Gemmae green or red, 2-celled, on erect, 

 gemmiparous, radial, small-leaved stems. 



PI. 88. Fig. 6, a-d. 



Habitat: On trees, logs, stumps, and cliffs. 



CUBA: si, Wright, as 0. prostratum (MANCH, NY); Oriente: Sierra Maestra: Pico Tru- 

 quino, 1600 m, Ekman 5318 (S-PA, UPS); 2400 m, Ekman 14517 (S-PA), La Bayamo, Ekman 

 7186 (S-PA); Loma Joaquin, 1750 m, Ekman 14622, 14627 (S-PA); Moa region, Webster 819 

 (MICH). 



JAMAICA: Newhaven Gap, Evans 170 (BM, Y, S-PA), Harris 3, 10099 (NY, S-PA) ; Port- 

 land Gap, Orcutt 5155 A (BM) ; Morce's Gap, 5000 ft, Underwood 636 p.p. (NY), Evans 40 

 (BM) ; s.l., Swartz, as J. prostrata (STR). 



ST. KITTS: s.l., Breutel (S-PA). 



GUADELOUPE: Bois des Baines-Jaunes, 600-700 m, Duss 20-32-91 ( § ) (NY) ; s.l., 680 m, 

 Duss 32 ex Hb Urban, type of O. guadeloupense (G-13233); s.l., Duss 35, ex Hb Urban (G- 

 13234); s.l., I'Herminier (BM, S-PA, UPS); Soufriere, Husnot 227 (S-PA), Husnot, PI. Antill. 

 (NY) ; s.l., 900 m, Husnot (G-13256) ; s.l., Duss 552, type of O. subrotundijolium (G-132S7) ; 

 Malylis, 1200 m, Questel 3777 (Hb Questel). 



DOMINICA: Morne Micotrin, Elliott 1147c (9) p.p. (BM); Morne Trois Pitons, Elliott 

 2280 (G), 2311A (BM); s.l., Elliott 665, 680, 934, 1146, 1896, 1902, 1906 (BM). 



MEXICO: Chiapas; sierra n of Mapastepec, 6000 ft, Sharp 4544 (TENN). 



GUATEMALA: Izabal: near Lago Izabal, 400-500 m, Jones & Facey 3306, 3308 p.p. (NY). 



BRITISH HONDURAS: Sarawee Pine Ridge, P. Gentle 2697 (MICH). 



BRAZIL: S. Paulo: Estacao Biologica, "Alto de Serra," 800 m, Hell 160, 776, 778 (Hb 

 Grolle). 



7. Odontoschisma cordifolium Stephani, Spec. Hep. 6: 445. 1924. 



Plants of medium size, green to yellow-green, in mats or among other bryophytes; 

 stems to 2 cm long, with leaves, 1.5-2.5 mm wide, often becoming small-leaved, 

 gemmiparous at the tips; branches scarce, ventral-intercalary, leafy, stolon-like or 

 short sexual. Rhizoids frequent, on the ventral side of the stem. Line of leaf 

 insertion oblique. Leaves patent, imbricate, broadly ovate, tending to be canaliculate 

 with the dorsal side folded upward, concave, the margins curved upward; cells of 

 the apical margin 15-20 fi, the outer wall thick, cells below the margin 20-24 the 

 walls as thin pits between large, rounded or knot-like, often coalesced trigones, the 

 cuticle verruculose. Underleaves scale-like, of few cells. Gemma hyaline to light- 

 green, 2-celled, on small-leaved gemmiparous stems. Male and female inflorescences 

 and perianth not seen. 



PI. 88. Fig. 7, a-d. 



Habitat: On bark. 



MEXICO: Chiapas: S. Cristobal, Llanos de Huestan, 2500 m, Munch, Bryol. E. Levier 5632 

 (isotype NY); e of Las Casas, 7500 ft, Sharp 4702A (TENN). 



8. Odontoschisma brasiliense Stephani, Spec. Hep. 3: 369. 1908. 



Odontoschisma sphagni var. Spruce, Rev. Bryol. 15: 33. 1888. [Glaziou no. 11760.] 

 Odontoschisma splendens Stephani, Spec. Hep. 3: 373. 1908. [Glaziou no. 7227.] 



Plants large, coarse, green, often in part becoming reddish, prostrate, in mats or 

 among other bryophytes; stems to 4-6 cm long, with leaves to 3 mm wide, sometimes 



