MERCEYOPSIS, A NEW GENUS OF MOSSES 303 
inter costis laxis, parietibus eee Stomata in una serie 
disposita bene evoluta. Spori 8-10 p, levissimi 
ab. Sikkim, Punkabari ee Kurseong, 2000 ped., 16 Dec. 
1899; leg. Decoly and Schaul (Bryoth. E. Levier, no. 2336, sub 
nom. Piles 5 ala sikkimensi 
rkable for, and at first apa ica gp by, the eight- 
Sielods si the ribs formed of a ously alternating double 
row of cells (cf. fig. 82); the Pindlale,. aay obtuse and apicu- 
late leaves, with the mammose nA Aes tuberant cells on the upper 
surface, are also marked charact 
In the following list the order and nomenclature of Brotherus 
(in rete and Prantl, Pflanzenfamilien) are followed 
DITRICHUM TORTIPES ee Par. nae Almora, 1910; leg. 
Miss Shenhoer rd (no. 15), ¢ The specimens in the British 
Museum exhibit considerable ainda in length of capsule, width 
of mouth, and in the apex of the leaf, which may be entire or 
faintly or more distinatly denticulate. 
Campynopus Goucui (Mitt.) Jacq. On rotten wood of trees 
(common), and inside hollows in trees, Mahableshwar, Western 
Ghats, Jan. 1909; leg. Sedgwick (nos. 18, 19, 20), ¢ CG, irs 
lave not seen a specimen of Mitten’s actual type from the 
Neilgherries, but most of the other plants quoted by him are in 
the British Museum, and some of them agree ee exactly with ae 
do not appear to be correlated aera or with an y seapMeal 
distribution of the forms. Thus no. 796, Sikkim, Hooker (Herb. 
ker & Th ru is a very slender plant, with finely acuminate 
leaves ; while no. 79, Sikkim, in the same collection, is a much 
more robust plant, with somewhat different areolation ; but no, 86 
(Khasia, Churra) is intermediate between the two in habit and 
cell structure. And the same range of variation is shown in the 
Ceylonese plant. The capsule in Sedgwick’s plant is rather large 
and turgid and quite smooth. This is also the case with several 
of Mitten’s plants, while in others it is lightly plicate. Obviotsly 
C. Bhs a@ is a plant of wide distribution in India and a wide 
range of forms, with a very considerable ee of variation in its 
areolation; and it may be compared with C. flexuosus in Europe 
in these ee 
Cam gt a? Sedgwickii Card. & Dixon, 
sp. nov. Pitab. 5 fig. 13.) Sat preter et? caulis 5-8 cm 
longus, pluries ib fragilis, parce brevissime "radiculosus on 
udus, ad basin decumbens, inde abrupte e geniculatus erectus. 
Late intricate cxspitosus, supe e olivaceo-viridis vel aurescens, 
subnitidus, inferne fuscus; sat laxe, interrupte foliosus. Folia 
siccitate suberecta, substricta, ee cree subrecurva, 
6-7 mm. longa, prope basin ad 1 mm. ig 
conca: am 
