514 
Hab. Australia felix, leg. Dr. F. v. Müller. 
Ab E. perichaetiali differt. caule robustiere ramosissime, 
foliis brevioribus, nec acuminatis acutis, perichaetio longiore, 
et theca cylindracea longiore. 
2. Holomitrium Muelleri. 
Laxe caespitosum unciale ereetnm, parce diviso-ramosum, 
snbfastigiatum. Jolla canlina, inferiora remote, superiora 
densins imbricata, sicca oirtaie-ovispnla, humida erecto-pa- 
tula, e basi euneata late ohbovata, latere snperne erenulata, 
lanceolato-linearia, margine revoluto, infegerrima, nervo erasso 
pereursa acutata; cellulis alarihus incrassatis, snbguadrato- 
angnlatis rafescentibus, intermediis anguste ellipticis, elongatis, 
diaphanis, seguentihus abbreviatis angulatis, in lamina angn- 
lato -punctatis, chlorophylioso- opaeis. perichaetialia hasi con- 
volnta setae terfiam nartem involventia, e hasi latiore oblonge- 
Ianceolata, elongata, integerrima, sabnla canaliculatz terminata, 
siega, apice cirrata, eellulis hasilarihus laxierihns retienlate. 
Sete, seminpgiglis erecta, Tiheca avata-eylindrica vetusta, car- 
tere desunt. 
Hab, Rockingham Bay, parce leg. Dr. v. Müller, 
Helamitrie erispuio aemulans, differt foliis snperne inte- 
gerrimis et perechaetio multo breriore, 
3. Dicranum (Leucoloma) Leiehhardti. 
Dioicum, laxe caespitasum, basi proeumbens, parce te- 
mentosum, ramosym; ramis adscendentibus ingequalibus,. fusco- 
viridibus apacis, vix uneiglibus, agiee parce aduncis. Folia 
tomento brevi interrupta, undique imhricata, erecto-patala, au- 
periora suhsecunda, a. hasi ad apicem conveluto-cangliculata, 
langeolato -suhylata, carina a medio folii et aummo apice ar- 
gute dentata, margine lineolis sex tenerrimia albeseente Jim- 
