452 
in laminam obtusate acuminatam mucrone brevissimo deciduo ter- 
minatam aetate obtusam producta, canaiiculato-concava integerrima, 
nervo angusto chryseo ad summitatem evanido exarata, e cellulis 
inferne majuscule rotundis pallidis superne minoribus virescentibus 
suboccultis, omnibus recta linea dispositis areolata; perichaetialia 
pauca multo angustiora sed in subulam piliformem facile deciduam 
protracta; theca in pedicello perbrevi vix emersa minute ovalis 
rubra distincte sulcata; calyptra parva basi pluries laciniata pilis 
strictis appressis hirta brunneo-lutea. Caetera ignota. 
Habitatio. Insulae Hawaiicae, sine loco natali: Dr. W. Hille- 
b ran d. 
Species pulchella, capsula minuta vix emersa profunde sul¬ 
cata facile cognoscenda. Ob foliorum areolationem majusculam 
ad Macroblasta transit. 
63. Macromitrium (Eumacromitr., Torquescentia) Gumingi n. sp.; mo- 
noicum ? caulis tenellus longe repens, ramulis brevissimis dense 
aggregatis divisus; folia caulina indistincte torquescentia magis 
crispula minuta madore valde patula, e basi perangusta lineari- 
acuminata brevissime mucronata saepius valde sursum vel deorsum 
arcuata profunde canaiiculato-concava integerrima, basi solum liin- 
bulo angustissimo hyalino indistincto veluti obsoleto marginata, 
nervo tenui ferrugineo usque ad summitatem excurrcnte carinato- 
exarata, e cellulis minutissimis rotundis punctatis intima basi lon- 
gioribus sublunatis diaphanis areolata; perichaetialia majora lati- 
ora recte acuminata; theca in pedicello perbrevi exserto crasso 
rubro glabro erecta pro plantula majuscule globose ovalis ore pli¬ 
cata gymnostoma (?). Caetera nulla. 
Habitatio. Insulae Hawaiicae , sine loco speciali: C u m i n g 
Coli. No. 2214. 
E minutissimis, foliis minutis torquescenti-crispulis lineari-acu- 
minatis tenerrime punctiformi - areolatis basi obsolete limbatulis 
et theca breviseta facile distinguendum. 
64. Macromitrium ( Macrocoma ) intricatum n. sp.; monoicum; cespites 
latissime expansi plani intricati ferrugineo-virides; caulis profusus 
repens, ramis tenuibus semipollicaribus brevissime ramulosis divisus; 
folia caulina dense imbricata in axi pro foliolis crasso rubro, madore 
raptim juniperoideo-patula minuta, e basi anguste ovatula ventri- 
cose concava in acumen brevc mucronulatum attenuata, profunde 
carinato - concava, nervo ferrugineo in acumen evanescente exarata, 
e cellulis minutissimis punctato-rotundis viridibus areolata; peri¬ 
chaetialia majora longiora paraphyses nonnullas longas in cludentia; 
theca in pedicello brevi flavo erecta anguste cylindrico - oblonga 
microstoma, operculo minutissimo conico - rostrato recto, calyptra 
anguste campanulata pilosa ochracea basi brevissime laciniata; 
peristomium brevissimum rudimentarium externum. 
Habitatio. Insulae Hawaiicae sine loco speciali: Dr. IIille¬ 
hr and 1872 legit. 
Macromitrio Dregec lisch, simile, sed majus. 
