36 
BOTANY OF KEEGUELEN ISLAND. 
hyaline rootlets. Perianth large for the size of the plant, arising from the apex of 
a thickened branch ; apex obtuse before the egress of the rather large spherical 
capsule, hut afterwards suh-truncate. Spores minute, round, smooth, brown, 
accompanied by fusiform moniliate fibres. 
L. nutans, Hooh. f. et Tmjl. FI. Nov. Zeald. ICO, t. 65, f. 8, is a larger species, 
and appeared by itself different from any genus that has been described, whereas L. 
ventrosum resembles the Jungerniannia Francisci of Hooker’s Brit. Jungermannise, 
t. 49, a species which also produces thickly fleshy stolons, is irregular in the emar- 
gination of its leaves, has the same kind of stipules as well as perianth, and 
is therefore a species of Lembidium. How this genus or group of species may he 
distinguished from the CepMlozia of Dumortier must remain for examination. 
Tab. III., Pig. viii. ; 1, plant of nat. size ; 2, portion of stem with leaves and 
stipules ; 3, perianth and involucral leaves on lateral branch ; — all magnified. 
1. Herpocladium fissum, Mitt, in Journ. Linn. Soo. XV., 69. Oaulis per- 
pusillus, firmus, crassiusculus. Folia alterna, patentia, ovata, ohtusa, apice incurva, 
sinu parvo acuto hreviter acute hidentata, concava, hasi utroque caulem ad medium 
diametrum tegentia, margine dorsali interdum flexura sinuata rarius unidontata, 
cellulis densis ohscuris areolata. Amphigastria foliis similia, patula divaricatave, 
apice ohtusa, integra. 
Kerguelen Island, Moseley. 
Stems 3^ lines long, with the leaves line wide. The entire plant almost 
black. 
Tab. III., Fig. ix. ; 1, plant of nat. size; 2, portion of stem, with leaves and 
stipule from the dorsal side ; 3, lateral view of leaf and spreading stipule ; 4, leaf 
detached and expanded ; — all magnified. 
1. Tylimanthus viridis, Mitt, in Journ. Linn. Soo. XV., 197. Humilis. 
Caulis erectus ascendensve, apice decurvus, suhsimplex. Folia distiche expansa, 
ohlongo-quadrata, apice oblique sinu lato suhtruncato-hilohata ; lohis ohtusis, dor- 
sali majore apicem versus interdum subdentatis, cellulis parvis rotundatis limitihus 
pclluoidis areolata. 
Boyal Sound, and hiU N.W. of Mount Crozier, all barren, Faton. 
Stems i- inch high, green, with the leaves scarcely 2 lines wide. Leaves green, 
frequently convex from the recurvation of the margin. This nearly resembles T. 
tenellus, Tayl. ( Gymnanthe) from Tasmania, but it seems to be a smaller species. 
Tab. III., Fig. x. ; 1, plant of nat. size ; 2, portion of stem with leaves 
enlarged. 
1. Marsupidium excisum, Mitt, in Journ. Linn. Soo. XV., 69. Caulis pri- 
marius repens, exindo ascendens, pallidus. Folia inferiora minora, deinde superiore 
minora, omnia ohlongo-quadrata, concava, sinu obtuso hidentata, integerrima suh- 
crenatave, lohis latis aoutis incurvis, cellulis protuberantihus paprdosa. 
Boyal Sound, with. Acrocladiim politum and Fogonatum alpinum, barren, Eaton. 
