1968] 



LEAFY HEPATICAK OF LATIN AMERICA — PART III 



381 



terminal on the leafy stem or branch, the bracts and bracteoles in to 10 or more 

 series, the bracts similar to the leaves but with the dorsal third transversely attached 

 and curved forming a dorsal pouch, the upper part spreading; bracteoles like the 

 underleaves. Female inflorescence on a short leafy ventral branch, the bracts and 

 bracteoles in 3 or 4 series, the innermost series largest, the bracts bifid to one-half 

 their length, the segments triangular, the margins crenulate from projecting cell 

 ends, the bracteoles similar, somewhat smaller. Perianth long, cylindrical below, 

 3-keeled above, the mouth lobed, setulose. 



PI. 103. Fig. 2, a-j. 



Habitat: In light green mats or tufts on moist shaded soil banks and rocks, 

 often with other bryophytes. 



PUERTO RICO: Luquillo Mountains: El Yunque Trail, Evans 56 (NY, Y) ; Catalina- 

 Yunque Trail, E. G. Britton 7727, 7728 (NY) ; El Yunque, 1800 ft, Pagan 1039 (NY) ; near 

 summit of Mt. Britton, Fulford, Crandall & Stotler 619, 622 p.p., 652 p.p. (Hb Fulford) ; summit, 

 Sierra Naguabo, El Duque, Schafer 3721 (NY); trail to Torito Mountain 3050 ft, Pagan (NY). 



ST. KITTS: near summit, Mt. Misery, A'. L. Britton & Cornell 786 (NY). 



GUADELOUPE: Riviere Rouge, 700 m, Husnot, PI. Antilles, No. 242 (lectotypes MANCH, 

 NY); Riviere Rouge, 700-800 m, Duss 372 (NY); 600-1400 m, Duss 132-255-256 (NY); Morne 

 Goyave, Duss 65c (NY) ; Morne Gobelm, Duss 235 (NY) ; Soufriere, Le Gallo 242 p.p. (Hb 

 Le Gallo). 



MARTINIQUE: Mt. Pelee, Duss 327-585 (NY); Morne Paillasse, 700-900 m, Duss 92-221 

 (NY). 



DOMINICA: Morne Micotrin, Elliott U39d (BM); Morne Anglais, Elliott 487] p.p. (BM), 

 494 (MANCH); Morne Trois Pitons, Elliott 718 (MANCH), 2279 p.p. (BM). 

 TRINIDAD: si, Fendler [b] (NY). 



cladomastigaceae Fulford in Steyermark, Acta Bot. Venezuelica 



2: 79. 1967. 



Leafy stems prostrate, sometimes becoming small-leaved radial above, light green, 

 irregularly branched, the branches ventral-intercalary, in the axils of the underleaves, 

 leafy or flagelliform, or short, male or female; stem in transverse section with the 

 cells mostly large, the cortical layer with thick walls. Rhizoids from the ventral side 

 of the stem, scarce. Line of leaf insertion oblique. Leaves succubous, bifid, the 

 cell-walls uniformly thickened with a whitish ring of thickening. Underleaves nearly 

 half as long as the leaves, bifid. Male inflorescence catkin-like, the bracts and 

 bracteoles bifid; antheridia in the axils of the bracts. Female inflorescence on a 

 short sexual branch, the bracts and bracteoles in 3 or 4 series, bifid, the innermost 

 series largest, with a supplementary tooth on each side above. Perianth long, 3- 

 keeled, the third keel ventral, of 1 layer of cells, the mouth contracted, ciliate- 

 laciniate. Sporophyte not seen. 



Type genus: Cladomastigum Fulford, 1967. 



Plate 103 



Fig. 1. Alobiella campanensis. 1 a. Stem, dorsal view, X SO. 1 b. Leaf, X 40. 1 c. Leaf 

 apex, X 180. 1 d. Cell from the upper part of a leaf, X 500. 1 e. Underleaf, X 180. 1 f. Regen- 

 eration of cells from near the base of a leaf, X 200. 1 g. A cell from this area, enlarged at one 

 end, X 200. 1 h. Portion of a filament from one of the leaf cells, X 200. Drawn from the type. 



Fig. 2. A. husnoti. 2 a. Stem, dorsal view, X 20. 2 b. Leaf, X 40. 2 c. Leaf apices, X 180. 

 2 d. Cell of the upper part of a leaf, X 500. 2 e. Dorsal surface of a stem with leaves attached, 

 X 360. 2 f. Transverse section of the stem, X 360. 2 g. Underleaf, X 40. 2 h. Stem with female 

 inflorescence and perianth, X 16. 2 i. Female bract, inner series, X 40. 2 j. Portion of the peri- 

 anth mouth, X 200. Fig. 2 a-i, drawn from a portion of the type; 2 j, from plants from Puerto 

 Rico, Pagan. < 



