489 
( 27 ) 
double perfect, teeth brown, inner membrane deep, carinate seg¬ 
ments open along the keel with 3-4 slender, papillose, appendicu- 
late cilia; spores brown .013-.016 mm. 
Resembling B. cernuum Hedw. in the bright yellow color of its 
capsules, but a larger and coarser plant, seemingly one of the 
smaller Rhodobryums , with the leaves twisted when dry, allied to 
B. andicola. 
Mielichhoferia campylocarpa H. & T. Near Yungas, 4000 ft. 
1885 (3150). 
Compared with no. 1694 of Mandon’s Bolivian mosses, with 
which it agrees. 
Mielichhoferia brevicaulis Hornsch. Near Yungas, 4000 ft. 1885 
( 3149 ). 
Mielichhoferia n. sp. ? Ingenio del Oro, 10000 ft. March, 
1886 (3146). 
These specimens were compared at Kew with all the species 
described by Mitten (Jour. Linn. Soe. 12, 320) having leaves at 
all similar and found to be most nearly related to M. diplodonta, 
but as the fruit is too immature to determine any peristome char¬ 
acters, it cannot be safely referred to any of them. A portion 
sent to C. Muller was named by him Mielichhoferia modesta n. sp. 
Rhizogonium spiniforme (L.) Bruch. Yungas, 6000 ft.; Mapiri, 
5000 ft. (315 0= 
Polytrichadelphus grossidens C. Muller, n. sp. Yungas 4000- 
6000 ft. 1885(3159). 
Plants dark red, glossy; stems erect, unbranched 5-6cm. high, 
leaves erect, 5 mm. long, closely imbricate with a brown clasping 
base; margin coarsely serrate; vein pellucid, excurrent into a 
smooth blunt cusp ; perichaetium longer tipped, enclosing long dark 
protruding paraphyses; Dioecious, the male plants proliferous at 
apex. Pedicels stout, erect, 2-3 cm. long, bright fulvous, capsules 
horizontal 4-5 mm. long; lid conic, beak hooked, 2 mm. long. 
Compared with P. rubiginosus Mitt. no. 211, J. Weir, Andes 
Bogotenses, pedicels shorter, leaves more sharply dentate; with P. 
aristatus Hpe., no. 2002, Lindig, New Granada, Bogota (1859), 
and another not numbered, collected in 1863, in the fewer but 
larger multicellular teeth and short cuspidate apex as well as in 
the longer pedicels and larger capsules of Dr. Rusby’s plants. 
Polytrichadelphus umbrosus Mitt. Unduavi, 10000 ft. Oc¬ 
tober, 1885 (3160). 
