MUSCI HALCONENSES. 
By V. F. Brotiierus. 
(Helsingfors, Finland.) 
The mosses below enumerated were collected by Elmer D. Merrill in 
his ascent of Mount Haleon, Mindoro, in November, 1906. Thirty-one 
species are represented in the collection, of which four are described as 
new. 
SPHAGNALES. 
Sphagnum Junghuhnianum Doz. et Molk. 
In open heaths at 2,400 m. alt. (No. 5707), sterile specimens. 
Area: Khasia, Sikkim, Java, Celebes, Batjan and the Philippines. 
Sphagnum sericeum C. Mull. 
On cliffs in forests at 1,970 m. alt. (No. 6161 ex p.), sterile specimens. 
Area: Java, Sumatra. 
BEYALES. 
DICRANACEiE. 
Dicranoloma Blumei (Nees) Ren. 
On trees, forested ridges at 1,800 m. alt. (No. 6192 ex p.), sterile. 
Area: Ceylon, Java, Luzon and New Guinea. 
Pilopogon Blumei (Doz. et Molk.) Broth. 
Terrestrial in open heaths at 2,400 m. alt. (No. 6111). 
Area: British India and Ceylon to Japan, Luzon, Malaya and Polynesia. 
LEUCOBRYACEiE. 
Leucobryum subsanctum Broth, n. sp. 
Dioicum ; robustum, caespitosum, caespitibus taxis, albescentibus, niti- 
diusculis; caulis usque ad 6 cm. altus dense foliosus; simplex vet furcatus; 
folia sicca laxe imbricata, humida eecto-patentia, hand subsecunda, e 
basi ovali, valde concava ovato-lanceolata, acutissima vet apieulo termi- 
nata, 5-6 mm. tonga, basi circ. 1.7 mm. lata, dorso laevia, marginibus 
superne late involutis, integerrimis, limbo inferne 3-4 seriato, superne 
sensim angustiore, cellulis alaribus numerosis, lamina bistratosa; bractae 
perichaetii minutae, internae e basi oblonga, vaginante subito lanceolato- 
subulatae; seta circ. 1.5 cm. alta, tenuissima, sicca flexuosula, rubra, 
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