ÎA
ill!
i. i;ri,
■'dl
ri
liiS
succubous, horizontal, nev er deilexed, most ly
bilobate, margins plane or subincurved, never
recurved. Inflorescence uniformly monandrous.
G ynæ c ia capitate, cladocarpous or
acrocarpous, bracts trist ichous, perianth free,
trigonous, third angle a lwa y s postical, c a lypt ia
free, capsule on a long pedicel. Ela te is
bispiral.— Hep. Eur. 87. Spruce on
Cephalozia, p. 6.
Spruce divides the genus into the following
suhgcncra, some of which arc not represented m
]5i-itain viz., Protoccplialozia, Ptcropsiclla, Zoopsis,
Alobiclla, Eu-cepkalozia, Lembidiwn, Odontochisina,
Ccpha/oziclla.
S u b -G e n u s . EU-CEPHALOZIA, Spruce.
Cephalozia catenulata, Huh.
Stems ascending, branches abbreviated,
leaves half embracing the stem, bifarious,
ovate, concave, acutely bifid ; perichsetial
leaves multifarious, 2-3-fid. Perianth longitudinally
plicate, mouth gaping, ciliate.
Jungermannia catenidata. Hub. Hep. Germ,
p. 169 ; Gott. and Rabh. Exs. No. 4 3 3 ) 4 9 6 )
Carr, and Pears. Exs. No. 115, 116, 250;
Carr. Irish Crypt , t. xi., f. 2 ; C o o k e fig. 9 4 -
Cephalozia catenidata, Lindb. Linn. Journ. X I I I . ,
p. 191 ; Dumort. Hep. Eur. cj2. Jungermannia
reclusa, T a y l . Trans . Bot. Soc, Edin. IE, 44 ;
l.ond. Journ. Bot. V., 278. Cephalozia rcclnsa,
Dumort. Hep. Eur. p. 92.
On rotten trunks and sand rocks.
Tufts shallow, extensive, olive brown; stems
rigid, terete, flexuose, catenulate ; leaves scarcely
broader than the stem, roundish quadrate,
upper ones erect, lower semivertical,
secund, all concave, adpressed
(fig. 70), divided about half way
by a rather obtuse sinus, the segments
acute. Fruit terminal, on short
branches, perichætial leaves i-2-3-
fid, adpressed, entire. Perianth lanceolate,
trigonous, apex minutely
toothed ; capsule elliptical, brown.
A s to the identity o f Jungermannia
rcdusa (Tayl.) and Cephalozia catenulata
(Hüb.), Dr. Carrington and Dr.
Spruce appear to have entertained no
doubt, see notes by the former, on
“ Irish Cryptogams,” in which appears
Spruce’s decision on the subject.
var. r pallida, Spr . Pale green
70.
or y e llowish, branched, with subfastigiate
branches, leaves subdecurrent, split one-third to
one-half, segments obtuse, cells a little larger,
bracts quite ent ire.— Spruce Cephalozia, p. 33.
Cephalozia multiflora, Spruce.
Br ight or pale green ; stems branched,
rather compressed, plane above, convex
below ; leaves small, rhomboid, rounded, bifid