14 
Remarkable for the strongly concave leaves, with the margin 
much constricted in the dry state, as in Jung. crenuliformis, Aust., 
and Sphagnecetis communis, Nees. 
The leaves are of a beautiful golden green color, and shive asif . 
polished or glazed. They are composed of largish punctiform cells, 
which have the contents collected into a somewhat stellate form, 
and are arranged in straightish rows, the marginal ones scarcely 
differ from the others, while those at the base in the centre are _ 
considerably enlarged ; intercellular spaces rather broad and of a 
glassy transparency ; dorsal margin subdecurrent, its cellules not 
elongated. Cells of the stem larger and oval-hexangular, other- 
wise much like those of the leaves. 
The gemmiparous stems, on account of their whitish and closely 
appressed leaves, look very much like the ordinary stems of Gym- 
nomitrium concinnatum ; cellules of the leaves larger and much 
‘ce distinctly arranged in rows than are those of the ordinary 
eaves. 
9, Madotheca Bolanderi, Austin.—M. caule subsimplici flexuoso sicci- 
tate subtortuoso tumido 1-2 uncias longo (eum foliis) cirea 24 li- 
neas lato inferne defoliato ; foliis dense imbricatis dimidiato-ovato 
oblongis obtusis planiusculis patentissimis subsquarrosis in siccis 
magis minusve convoluto-decurvis cellulis parum crassioribus sub- 
marginatis, margine repanda vel hic illic candato-dentata, ventrali 
hand inflexa rectiuscula haud expansa, dorsali ad basin longe pro- 
tracta caulemque obtegente, cellulis rotundis subobscuris haud ful- 
gentibus subuniformibus ; lobo fere discreto parvo lanceolato-sub- 
ulato, faleato contorto canaliculato obtuso vel acuto, margine re- 
pando-undulato, basi valde inzequali longe decurrente parce cauda- 
to-lacinulato ; amphigastriis caule vix latioribus lingulato-cvatis 
oblongisve-obtusis acutisve nonnunquam apiculatis szepe apice fissis, 
marginibus longe decurrentibus repando-undulatis (preecipue ver- _ 
sus basin) caudato-lacinulatis ; perianthio magno e basi breviter 
obconica late ovato subcompresso superne leniter (circa 5-) undu- 
lato-plicato subtus versus basin bicarinato alatove? versus apicem 
acute 1-nervo, ore angustato truncato minute ciliato ; capsula ovali ; 
elateribus uni(—bi)-spiris ; foliorum involucralium lobis valde ine- 
qualibus acutis subdenticulatis crenulatis? marginatis, amphiga- 
striis acute bifidis. ces 
Hab. California, Bolander (1865). 
The chief characters of this species are the short, tumid, subflex- 
uous and slightly twisted, nearly simple stems, naked below ; the 
oblongish (when moist), nearly plane and widely spreading, rather — 
distinctly margined upper leaf-lobe, its lower margin not in the 
least expanded nor inflexed, its dorsal margin expanded into 
rounded auricle which stretches far over the stem; the long-decur- — 
rent, tortuous and crisped, and more or less caudate lower lobe — 
_ and amphigastria; the large perianth, sharply 2-keeled or somewhat 
_ winged underneath, and indistinctly nerved above, the very acute 
_ and acuminate lower lobe of the involucral leaves, and the oval cap- 
_ sule. The upper lobe of the leaf is sometimes slightly undulate oD 
