Ficoidea.] FLORA OF TASMANIA. 1 
foliis lineari-oblongis triquetris glaucis mcurvatis knibus, pcilunculis obtuse aneipitibus bibracteatis, s 
matibus 5 subulatis.— DC. Prodr. iii. 428. M. demissum, U'illd. En. Svppl. p. 36. {<, 
IIab. Abundant on the sea-coasts, and ascending the rivers as far as their waters are salt. — (11 D 
(Colonial name, " Pigs'-faces") {v. v.) 
Distrib. South-eastern and South-western ? Australia. 
A common sea-shore plant, the fruit of which is edible and agreeable, about the size of a <rnod goosebcm 
maybe readily recognized by the fleshy, linear, triangular, opposite leaves, 1-3 inches long and \ inch br 
Flowers solitary, terminal, Ol) thick peduncles, 1$ inch across. Sepals rounded. Petal* very numerous, shit 
. in Ait. Hort. Kew. ii. 187); foliis 
longisve obtusis triquetris kevibus glaucis punctatis, pedunculo compresso folio sequilongo sursum clavato. 
— DC. Prodr. iii. 428 ; Fl. N. Zeal. i. 76. An M. clavellatum, liar,: Misr. Nat. 79 P G 
Hab. Woolnorth, Circular Head, and mouth of the Tamar, Gunn. — (H. Nov.) [v. r.) 
Distrib. Southern coast of Australia, New Zealand. 
I have seen the flowers only of this species sent by Gunn, with notes, from which it appears that there ,- -,. 
little reason to doubt its being identical with the M. auttraU that 1 have described it as above, from Australian am! 
"New Zealand specimens. It is a smaller ami more slender plan! than M. fr<jniltitentli\ with narrower, -mailer, le— 
angled, linear or oblong leaves, longer, clavate peduncles, and .-mailer (lowers. 
Flores polygamo-dioici ?. Cali/a* tubus ovario 1-gono continuus ; lobis I, obtusis. /'. 
mina 4-12. Styli 3-8, breves. Fructtu rabdrupaceos, 4-gonus v. prisma) ims, angulis obtusis v. in 
cornua productis; endocarpio ossco, 3-8-loculari, loculis 1-spermis. — llerba 1 rras.w ; folii- 
This genus is almost confined to the southern hemisphere, one species alone having hitherto been found in the 
North Pacific ; the majority are natives of South Africa. Procumbent or climbing, littoral, herbaceous or somewha) 
shrubby plants, with alternate, petiolate, tlcsln leaves, and axillary, peduneled flowers. — Cah/,r-U\hv adnate with the 
ovary, four-angled; limb six-lobed. Petals 0. Stamens four to twelve. Styles three to eight, -hort. Fruit an 
obconic, four-angled drupe, with a fleshy, green sarcocarp, and a bony endocarp, often produced into four or more 
lateral horns, three- to eight-celled, with a pendulous seed in each cell. (Name from Tcrpa., four, and ywvia, an 
angle; from the four-angled calyx.) 
1. Tetragonia expansa (Sol. in Ait. Hort, Kew. ii. 178); prostrata, foliis amplis petiolatis ovatis 
triangulari-ovatis v. basi concavo-subh:istat;s integerrimis obtusis acutisve, floribus breviter pedunculatis, 
staminibus 16 in fasciculis 4 petalis alternis dispositis, stiginatibus u-\, fructtbu- 
4-cornutis v. 8-cornutis cornubus alternis minoribus. — DC. Prodr. iii- 462; Plant. ', • *. I. Ill; Ji»t. 
Mag. t. 2362. T. cornuta, Gartn. Frttct. p. 11. t. 179../'. S. T. hahmifoha, / 
Japonica, Thunb. Jap. p. 208. Demidofia tetragonioides, Vail. // ■ 
Hab. Northern shores of the Island, as at Georgetown, Chum. 
Distrib. Southern and eastern Australia, New Zealand, extratropical South America, Japan. Culti- 
vated in England.) 
Gunn's specimens precisely accord with the figure of De Candolle (' Plai tes the Japan 
plant as being the same; they are further identical with South American specimens, but the New Zealand ones are 
considerably smaller, with rather longer peduncles and smaller flowers and fruit, precisely according with Bonin 
Island specimens of T. expansa. Like so many seaside, herbaceous plants, this varies greatly in sins, and I am 
