310 MR. Н. М. DIXON ON A 
Mr. Binstead’s plant quite matches the above cited specimen from the 
Zürich collection. FR. medium has not been recorded from Borneo, nor, so 
far as I am aware, outside New Caledonia. 
BARTRAMIACE A. 
PHILONOTIS REVOLUTA, Bry. jav. Sahad Datu, & (No. 136). Not quite 
the typical form of the Bryologia javanica, but I think inseparable from that 
widely spread species. It is not P. secunda, according to the distinction 
given by Fleischer in the perigonial bracts. 
P. CALOMICRA, Broth., f. LAXIFOLIA, Fleisch. Sandy mud, sides of ditches 
by road in rubber plantation, Melalap, near Tenom, c.fr. (No. 166) ; damp 
stony bank by railway, near Tenom, с.Ёг. (No. 167), det. Fleischer ; Sapong, 
near Tenom (No. 212 c). 
WEBERACE AL. 
WEBERA RUPESTRIS (Doz. & Molk.), C. Muell. 
Syn. Diphyscium rupestre, Doz. & Molk. 
Shaded sandstone rock in jungle stream, Sandakan, c.fr. (No. 1). 
POLYTRICHACE A. 
Arricuum Коттект, Thér. & Dixon, sp. nov. (Pl. 27. fig. 12.) 
Caules erecti, laxe cohærentes, 4-5 em. alti, flexuosi, simplices, sectione 
fascieulum centralem magnum exhibentes. Folia sat conferta, infima parva, 
subsquamiformia, pallida, superiora sola sordide viridia, sensim majora, 
erecto-patentia, sepe ad unum latus spectantia, deflexa, flaccida, haud 
undulata, sicca seniora complicata, juniora crispata, superiora ad 6 mm. 
longa, medio 1:5 mm. lata, e basi paullo dilatata sspe rufescente late 
oblongo-lanceolata, concava, apice minime angustato, acutinscula, sub- 
mucronata, Costa ad basin longe decurrens, rufa, valida, male limitata, 
ad 180 р lata, superne angustior, viridis, dorso levis, percurrens vix excurrens, 
nullo modo lamellata ; sectione in medio folio plano-convexa, e cellulis sat 
parvis densis omnibus fere homogeneis, dorsalibus modo in unica serie 
parietibus firmioribus rufo-fuscis instructa ; basin versus seriem medianam 
(ssepe plusminusve duplicatam) ducium, fascieulum dorsalem stereidearum, 
ventralem minorem stereidearum seu substereidearum, cellulas epidermicas 
in l-(hie illie 2-) serie majores plusminusve radiantes, parietibus valde 
incrassatis purpureis exhibens. Folii margo planus, e medio folio plus- 
minusve (precipue in foliis superioribus) argute spinulose dentatus, haud 
limbatus.  Areolatio peculiaris, e cellulis irregulariter rotundo-hevagonis 
circa 20 р latis granulosis nec chlorophyllosis dorso levibus, parietibus 
valde sinuosis irregulariter incrassatis collenchimaticis, ad margines vix 
