THE TASMANIAN FLORA. 



67 



. The gjenii^ contains but one species tliat has a wide distribution in the Southern 

 Hemisphere. 



C. LiNEATA, Nutt. A small plant, with a slender, creeping rhizome, developing 

 nodes of growth at intervals. Leaves solitary, or few at each node, linear- 

 cylindrical, hollow, bub divided by numerous septa from 1 to 6 or 7 inches long. 

 Flowers .small, usually few, in a simple umbel at each node, each flower on a 

 slender stalk of 1 to about 4 lines long, and the umbel on a tolerably long, 

 slender peduncle. Fruit about 1 line long. 



Probably common in ditches and on the borders of swamps, but overlooked. 

 Zeehan, Bellerive, Jordan River, near Launceston, Riverton ; throughout the 

 greater part of Australia. Fl. Jan. -Mar. 



11. ACIPHTLLA. 



Oalyx-teeth prominent. Petals ovate or lanceolate, not inflected at the tip. 

 Fruit in typical species oblong and dorsally compressed, the ribs prominent, 

 often developed into narrow wings. 



A genus of few species, confined to Australia, New Zealand, and adjoining 

 distribution. 



A. PKOCUMBENS, F. V. M. A small, densely- tufted plant, with prostrate 

 branches, the sheaths of the dead leaves persistent. Leaves twice divided, the 

 ultimate segments short, crowded, linear, acute, and tipped with hair-like points. 

 Flowers in a single compound umbel, on a very short stem. Bracts few, linear. 

 Fruit ovoid, about 1^ line long, the ribs very prominent. Gingidium procum- 

 bens. Hook. 



Summit of Mount La Perouse, Adamson Peak, and Mount Hartz. Fl. 

 Dec. -Jan. 



12. CAUCUS. 



Calyx-lobes prominent. Petals with inflexed tips. Fruit ovoid or oblong- 

 scarcely compressed, bristly. Each carpel somewhat dorsally compressed, the 

 primary ribs obscure, but the secondary ones prominent and bearing hooked 

 bristles. 



The genus contains but few species, principally belonging to the Northern 

 Hemisphere. The Tasmanian representative is widely distributed in the 

 Southern Hemisphere. 



D. BEACHiA'ras, Sieb. A small, slender, sub-erect annual, seldom exceeding a 

 few inches, more or less hispid. Leaves on long slender stalks, twice divided, 

 the ultimate segments small, acute, linear, or wedge-shaped. Flowers few 

 together, in a long, slender, very irregular, compound umbel, the flower-stalks 

 slender, and very unequal in length. Fruit ovoid, 1-2 lines long, densely covered 

 with hooked bristles. 



Very common, especially in rocky situations. Disia'ibuted throughout 

 Australia. Fl. Nov.-Jan. 



The following weeds of cultivation have become established : — 



F.i;niculum vulgabe, Goert. Erect, 3-4 feet high. Leaves much divided, 



the ultimate segments filiform. Umbels compound, without bracts. 



Flowers yellow. 

 ScANDix PECTArr, Linn. Small, spreading or erect. Leaves much divided, 



ultimate segments linear. Umbel simple, ~ surrounded with bracts. 



Fruit about 1 inch long, linear. 



Oedee XXXyil.—ABALIACE^. 



Pistil usually of 2 intimately blended carpels Ovarian cavities distinct, and 

 each containing a solitary pendulous ovule. Sepals 5, united at the base, superior. 



