300 FLORA OF TASMANIA. [Primulacea . 
Gen. II. POLYPOMPHOLYX, Lehm. 
Calyx 4-partitus. Csetera ut in Utricularia. 
There are several Australian Utricular!* with four-lobed calyces, which have been raised to generic rank by 
Lehmann, under the above name, and at about the same time by Alphonse de Candolle, in the Appendix to the 
eighth volume of the ' Prodromus,' under that of Tetralobus. (Name from rroXvs, many, and Trofxcf>o\v£, a bubble.) 
1. Polypompholyx tenella (Lehm. in Bot. Zeit. ii. 110) ; pusilla, tenella, acaulis, radiculis vesicu- 
liferis, foliis petiolatis spathulatis, scapo apice 1-3-floro, pedicellis 1-bracteolatis, floribus parvis roseis, 
corollfc labio superiore bifido, inferiore trifido, palato acuto puberulo, calcare obtuso. — Lehm. in Plant. 
Preiss. i. 311. Utricularia tenella, Br. Prodr. 432 ; A. DC. Proclr. viii. 16. {Gum, 896 ?) 
Hab. Flinders' Island, Gunn. 
Distrib. South-eastern and South-western Australia. 
My Tasmanian specimens are very imperfect, and I have improved my description from Australian ones. — A 
small, slender, stemless plant, 1|-2| inches high. i2oorf-fibres minute, often bearing small bladders. Leaves very 
minute, often numerous, all radical, i inch long, spathulate or elliptical. Scape slender, one- to three-flowered. 
flowers about 3-4 lines across. Upper lip of corolla bilobed ; lower more deeply three-lobed ; lobes linear-oblong, 
Nat. Oed. LXI. PRIMULACEjE. 
The few Australian representatives of this Order belong to the European genera Lysimachia and 
Samolus, together with single species of Micropyxis and Eupama, the former a genus of three species, 
inhabiting South America, Madagascar, and Australia, and the latter confined to Australia. Several species 
of Samolus are found, and of Lysimachia two ; one of them, the common European L. vulgaris, was de- 
tected by the indefatigable Mueller in the previously unexplored wilds of the Australian alps, but occurs 
nowhere else in the Southern hemisphere. 
Gen. I. SAMOLUS, L. 
Calyx semi-adhajrens, 5-fidus. Corolla perigyna, hypocrateriformis, decidua, limbo 5-partito. Sta- 
mina 5, antherifera, laciniis corollee opposita, cum 5 sterilibus squamseformibus alternantia. Ovarium semi- 
inferum; ovulis plurimis placentas centrali affixis; stylo erecto; stigmate simplici. Capsula semi-5-valvis. 
Semina angulata, umbilico latcri cxteriori opposito, albuminosa; embryone recto, axili, umbilico parallelo. 
— Herba;; caule timjpUci v. ramoso; foliis radicalibus petiolatis, caulinis alternis ; floribus corymbosis race- 
About eight species of Samolus are known in A 8. VaUrandi, is found in many extra- 
tropical countries, in both the north and south hemisphere, and its absence in Tasmania is remarkable; and 
another, S. littoralis, is also a native of New Zealand and Polynesia, and South Chili.— S. littoralis is the only 
Tasmanian species, and forms a small, rather rigid, branching, prostrate, rarely erect, perennial, seaside herb, with 
a suffruticose base to the stem; glabrous everywhere.— Branches terete, 3-13 inches long, more or less leafy, the 
leaves ascending when the stems are prostrate. Leaves very variable in size and breadth, radical i-2 inches long, 
petiolate, spathulate, blunt or acute ; cauline generally linear-spathulate or elliptic, acuminate, £ inch long, rarely 
broadly spathulate, or even almost orbicular. Flowers white, solitary and axillary, subcorymbose, pedicellate. 
Calyx half-inferior, its five lobes narrow and acute. Corolla campanulate, tive-lobed. Stamens five, opposite the 
segments of the corolla, alternating with five scales. Seeds numerous, on a central placenta. (Name, according to 
Pliny, applied to some marsh plant.) 
