1962] 



LEAFY HEPATICAE OF LATIN AMERICA — PART I 



37 



li valine tips, the ventral margin straight, crennlate or with a few cilia near the 

 base; cells of the lamina tending to be in rows, those just below a segment aver- 

 aging 30-36 X 27/*, the trigones large, the walls thick, uneven, with thinner- 

 walled pits, the cell lumina angular, the cuticle verruculose to striolate. Under- 

 leases symmetric, similar to but slightly smaller than the leaves, the margins 

 coarsely crenulate, with short cilia only near the base, or absent, Sexual branches 

 and sporophyte no1 seen. Fig. 4, a-d. 

 Habitat : On logs. 



The species is abundant and widespread in the Pacific area. There are a few 

 stems mixed with L. scolopendra in a packet in the Mitten Herbarium (NY) 

 labeled "Island Harbor, Cunningham." It is assumed that this was collected in 

 Chile. 



5. Lepicolea ramentifissa Herzog, Bibliot. Bot. 31(88) : 30. /. 17. 1920. 



Plants large, golden-brown, erect or ascending, in tufts or cushions; stems 

 stout, to 10 cm or more long, with leaves to 2 mm wide, with abundant, long, 

 filamentous paraphyllia, pinnate to bipinnate, the lateral branches numerous, 

 tending to become attenuate-flagelliform, decurved at the tips. Line of the leaf 

 insertion transverse. Stem-leaves subsymmetric, rectangular, mostly 2.3 mm 

 long, 1.2 mm or more wide, quadrifid, usually bisbifid to one-half of their length; 

 segments lanceolate, long, laciniate, long-ciliate, crenulate, attenuate, ending in 

 a uniseriate tip of ten or more cells ; margins of the lamina densely laciniate and 

 ciliate; cells tending to be in rows, those just below the segments averaging 

 36^0 X 22 ix, the trigones large, the walls thick with frequent thin-walled pits, 

 the cell lumina angular, the cuticle verruculose to striolate. Underleaves sym- 

 metric, similar to the leaves, scarcely smaller. Sexual branches and sporophyte 

 not seen. Fig. 5, a-e. 



Habitat: On trees. 



BOLIVIA : Comarapa, Herzog (type Tb. Herzog) ; Ceja de Negracota, Troll (Hb. 

 Herzog). 



This species has also been reported from Costa Rica by Herzog (1938a). 



6. Lepicolea pruinosa (T. Taylor) Spruce, Trans. Proc. Bot. Soc. Edinb. 15: 



345. 1885. 



Sendtnera pruinosa T. Taylor, London Jour. Bot, 5: 373. 184(5. 

 Sendtnera aequalibis T. Taylor, London Jour. Bot. 5: 372. 1846. 

 Lepidozia columbica de Notaris, Mem. Acad. Sci. Torino II. 16: 224. /. 13. 1857. 

 Sendtnera pruinosa var. aequalibis (T. Taylor) Spruce, Trans. Proc. Bot. Soc. Edinb 

 15: 346. 1885. 



Lepicolea herzogiana Stephani, Bibliot, Bot. 31(87): 229. /. 17.?. 1916. 



Plants large, yellow-brown, often becoming darker to reddish, sometimes 

 hoary at the base, erect to pendulous, in large tufts or cushions ; stems stout, to 

 10 cm long, with leaves to 2.5 mm wide, with abundant filamentous stem para- 



Fig. 3. Lepicolea rigida... 3. a. Stem leaf, X 40; area of the vitta outlined. 3 b. Tip of 

 a leaf segment, X 180- 3 c. Leaf cells just below a segment, X 350. 3 d. Stem underleaf, 

 X 40. 



Fig. 4. L. loriana. 4 a, Stem leaf, X 40. 4 b. Tip of a leaf segment, X 180. 4 c. 

 Leaf cells just below a segment, X 350. 4 d. One of the stem paraphyllia. 

 Drawn from the American material. 



Fig. 5. L. ramentifissa. 5 a. Stem leaf, X 33. 5 b. Tip of a leaf segment, X 180. 

 5 c. Cells of the leaf just below a segment, X 180. 5 d. Stem underleaf, X 33. 5 c. Stem 

 paraphyllia, X 180. 



