324 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



[VOL. 11 



long-exserted, cylindrical below, 3-keeled above, the mouth irregularly crenulate and 

 setulose. Capsule with the spores and elaters arranged in more or less horizontal 

 bands. 



PI. 81. Fig. 10, a-n. 



Habitat: In pools or on low swampy ground. 



PATAGONIA— TIERRA DEL FUEGO: Rio Rubens, Santesson 472 (S-PA) ; Punta Arenas, 

 600 m, Santesson 815 (S-PA, UPS) ; Cerro Tesoro, Schwabe 39 (S-PA) ; Pto Bueno, Dusen 

 (S-PA); 190-198 k from Punta Arenas, Fuljord & Hatcher 217 p.p., 294 p.p. (Hb Fulford). Lago 

 Fagnano, Halle 98 (BM, S-PA); TJshuaia, Santesson M 55 (S-PA); Pto Sicuressa, De Gaspari 35 

 (FI) ; Rio Azopardo, Dusen 116 (S-PA, UPS) ; Valle Azopardo, 600 m, Halle & Skottsberg 98 

 (NY, S-PA); Canal Whiteside, Santesson M 618 (S-PA). 



FALKLAND ISLANDS: Port Louis (9), without coll. (BM) ; s.l., Hooker (isotypes BM, 

 NY, S-PA); s.l. or without coll. [2] (BM), Hb Lehmann (BM), Hb Wilson (BM) ; Pt Stanley, 

 Skottsberg (S-PA), s.l., Skottsberg (G-13222). 



11. Cephalozia physocaula (Hooker f. & Taylor) Stephani, Spec. Hep. 3: 315. 



1908. 



Jungermannia (Gymnomitrium) physocaula Hooker f. & Taylor, London Jour. Bot. 3: 455. 

 1844. 



Acolea physocaula Massalongo, Nuovo Giorn. Bot. Ital. 17: 263. 1885. 

 Cesiusa physocaula (T. Taylor) O. Kuntze, Rev. Gen. Plant. 2: 834. 1891. 

 Cephalozia amplexicaulis Stephani, Spec. Hep. 3: 333. 1908. 

 Cephalosiella amplexicaulis Stephani, Icon. Hep. Cephalosiella, no. 12. 

 Metahygrobiella physocaulon Schuster, in Hb.; see also Nova Hedvvigia 10: 40. 1965. 



Plants slender, whitish becoming light or dark brown, appearing complanate, over 

 other bryophytes; stems 1-2.5 cm long, with leaves to 0.6 mm broad, irregularly 

 branched; branches of the Frullania type or rarely intercalary; cortical cells of the 

 stem large, rectangular in outline. Rhizoids not seen. Line of leaf insertion trans- 

 verse. Leaves ascendant, imbricate, deeply concave to folded with a rounded or 

 angled keel, symmetric, ovate, cordate at both bases, bifid to one-half the length, 

 the segments broadly triangular from a base 7 to 12 cells wide, the apex acute, 

 ending in a 1 -celled tip; cells quadrate to rectangular in outline, those near the base 

 of a segment 30-42 X 26-30 n, the walls uniformly thick, the cuticle verruculose. 

 Underleaves absent. Male and female inflorescences not seen. 



PI. 82. Fig. 11, a-f. 



Habitat: Unknown. 



PATAGONIA— TIERRA DEL FUEGO: Desolation Island, Pto Angosto, Dusen 185, type of 

 C. amplexicaulis (G, UPS). Hermite Island, Hooker (type BM, NY, S-PA); Ushuaia, 245 m, 

 Skottsberg (S-PA); Staten Island: Pt Cook, Skottsberg (S-PA). 



12. Cephalozia badia (Gottsche) Stephani, Spec. Hep. 3: 313. 1908. 



Jungermannia badia Gottsche, Die Deutsch. Exped. Ergebnisse 2: [separate p. 6]. pi. 1, 

 f. 1-5. 1890. 



Plants small, slender, flaccid, whitish becoming brown in the outer parts; stems 

 to 1.5 cm long, irregularly branched, the branches of the Frullania type, leafy, 

 occasionally ventral-intercalary with small leaves; cortical cells of the stem rectan- 

 gular, the dorsal rows large, the ventral rows (2) smaller. Rhizoids from the ventral 

 side of the stem, hyaline or brownish. Line of leaf insertion oblique, subtransverse. 

 Leaves distant, irregularly spreading with the segments usually incurved, ovate, bifid 

 to one-third the length, the segments triangular from a base usually 8 cells wide, the 

 tip of 1 cell; cells of the segment quadrate in outline with a few cells rectangular. 



