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MEMOIRS OV THE NEW YORK BOTANICAL GARDEN 



VOL. 11 



cells broad at the base, six to twelve cells long, widely spreading, the acroscopie 

 tooth the larger, the margins entire; cells of the apical portion of the leaf more 

 or less isodiametric, averaging 18 p., the trigones large with bulging sides, often 

 becoming coalesced, the cell cavity angular-rounded ; cells of the median and 

 basal portions averaging 50 p. long and 25 p, wide, forming a distinct vitta,- 

 euticle verruculo.se. Underleaves distant, subquadrate, as broad as or broader 

 than the stem, 0.32-0.4 mm wide, 0.2-0.55 mm long, the apex 2-4-lobed. Male 

 branches usually several on a stem, the bracts concave, broadly quadrate- 

 orbicular, averaging 0.56 mm long, to 0.7 mm wide, the apex 2-4-toothed, the 

 bracteoles smaller ; antheridia in pairs. Female branches frequent, the bracts, 

 of the intermediate series mostly 0.72 mm long and 0.50 mm wide, divided to 

 one-third their length into three or four narrow, mostly blunt, entire segments. 

 Perianth long, of one layer of cells, the mouth divided into numerous, unequal, 

 short to long-pointed laciniae with thick-walled cells. 20 p. long. Sporophyte 

 not seen. Fig. 3, a-e. 



Habitat : On rocks, stones and tree bases. 



GUADELOUPE: Soufriere, I'Herminier, distributed in Husnot, PI. Antilles 211 (isotypes. 

 FH, YU, NY) ; plants of the same collection as var. brevifolia G., forma applanata G., and 

 forma latior G. (FH) ; Soufriere, Duss 1034, 1077 and 1096 as M. tenerum (NY) ; Duss 62, 98, 

 102, 122, 302, 309, 310, 321, 328 (FH) ; s.l., Marie (G) ; foret de Baines Jaunes, Le Gallo 225 

 p.p., 233, 247, 252, 254, 255 (Hb. Le Gallo) ; Galion, Le Gallo 263 p.p., 264 p.p., 277 (Hb_ 

 Le Gallo). 



MARTINIQUE: Mt. Pelee, Duss 348 (as M. variabile) (NY); s.l., Duss 62 (G). 



4. Bazzania cuneistipula (Gottsche & Lindenberg) Trevisan. Mem. 1st. Lomb. 

 13: 414. 1877. 



Mastigobryum cuneistipulum Gottsche & Lindenberg in G. L. & N. Syn. Hep. 225. 1845. 

 Mastigobryum tenerum Gottsche & Lindenberg in G. L. & N. Syn Hep. 225. 1845. 

 Mastigobryum variabile Hampe & Gottsche, Linnaea 25: 348. 1852. 

 Mastigobryum brevifolium Gottsche, Ann. Sei. Nat. Bot. V. 1: 141. 1864. 

 Bazzania tenera Trevisan, Mem. 1st. Lomb. 13: 414. 1877. 

 Mastigobryum corticola Stephani, Spec. Hep. 3: 467. 1908. 



Plants small, dull whitish-green to yellow-brown; stems slender, to 5 cm- 

 long, with leaves 1 mm-1.5 mm wide, prostrate ; lateral branches frequent, 

 3 mm or more apart, diverging at a wide angle ; flagelliform branches numerous, 

 long, often branched, sometimes becoming leafy. Leaves distant to subimbricate,. 

 ascending, becoming deflexed or wrapped around the stem when dry, asym- 

 metrically ovate, mostly 0.7-1.0 mm long, narrowing to the bidentate apex- 

 teeth subequal, two to five cells long, spreading, the sinus broad ; leaf -cells 

 thin-walled, the trigones conspicuous, often confluent, the lumina angular- 

 rounded, the cuticle verruculose; cells of the apical portion 18-27 /x; a vitta 

 not differentiated. Underleaves distant, as broad as or broader than the stem, 

 squarrose, subquadrate, truncate-trapezoidal to quadrate-orbicular, 0.24-0.36 : 

 mm long and wide, the apex 4-lobed. Female branches frequent, the bracts 

 of the intermediate series ovate, averaging 0.64—0.72 mm long, 0.4 mm broad 

 at the base, divided to one-fourth their length into two or three narrow, blunt 

 to acute teeth. Perianth long, the mouth divided into numerous laciniae. Male- 

 branches and sporophytes not seen. Fig. 4, a-f. 



Habitat : On trees and logs in woods. 



CUBA: s.l., Wright 219 (FH). 



JAMAICA: s.l., ex hb. Hoolcer (type W, isotype G) ; New Haven Gap, Underwood 911^ 



