288 xxvi. ZYGOPHYLIE^. [THbulus, y 



Leaflets about 3 pairs, ovate, the lowest not far from the stem. 



Anthers 5 short, 5 "oblong or linear . . .' 9. T. bicoIo7\ 



Leaflets about 3 pairs, ovate or lanceolate, the lowest distant 



from the stem. Anthers 10^ nearly similar. Flowers 



small 10. r. Solaytdri. 



Leaflets 4 to 6 pairs, linear. Anthers 10, similar. Flowers 



large 11. 7*. angustffolius. 



Leaflets 3 to 6 pairs, small ovate or lanceolate. Leaves mostly 



opposite. Anthers 10, similar. Flowers very small . . \2. T, mi7mtiis. 



1. T. terrestris^ Linn,; DC. Prod, i. 703. A prostrate annual or bi- 

 ennial, more or less hirsute or silky-liairy, especially the young shoots, the 

 steins extending often to 1 or 2 ft. Leaves opposite, unequal ; leaflets of 

 the larger one usually 5 to 7 pairs, obliquely oblong, 3 to 5 lines long. Pe- 

 dicels shorter than the opposite larger leaf, Flowers small, the sepals rarely 

 attaining 2 lines and often much less, the petals rather longer, but vei*y rarely 

 nearly twice as long. Anthers 10, all small and perfect. Ovules 3 or 4 m 

 each cell. Cocci 5, hard, 2 to 3 Ihies long, glabrous or hairy, rounded on 

 the back, with 2 marginal, divaricate, horizontal, subulate or conical prickles 

 about halfway up, and often 2 smaller reflexed ones lower dow^n, the rest of 

 the surface usually tuberculate or shortly muricate. Seeds 3 to 4 in each 

 coccus, horizontal and separated by transverse partitions. — Keichb. Ic. rl- 

 Germ. v. t. 161; F. Muell. PI. Vict. i. 99; T, lam f/inosns, Linn, ; DC, 

 Prod. i. 704; Wight, Ic. t. 98 ; T. acantJiococcus, P, MuelL in Trans. Phih 

 Soc. Vict. i. 9. 



Iff- Australia. Start's Creek, F, Mueller, 



Queensland. Gilbert river, F, Mueller, 



Iff. S. ^WTales. Darling river, Lallachy, 



Victoria. At the junction of the Murray and Murrnmbidgec, F, Mueller. 



S. Australia. N. of Lake Torrons, M'Boitall Stuart's E.rpedUion, 



The species is a commoa weed iu S. Europe, temperate Africa, and S. A^ia. 



2. T. cistoides, Linn,; DC. Prod, i. 703. A peremiial, forming at 

 length a thick rootstock. Branches procumbcut or ascending, attaining 1 to 

 2 ft. Indumentum more silky than in T, terrestris. Larger leaf of each 

 pair with frequently 7 or 8 pairs of leaflets. Flowers large, on longer pedun- 

 cles than la T. terrestris ; the sepals 3 or 4 lines long, very acute, silky- 

 hairy ; the petals ohovate, at least i in. long. Anthers usually (perhaps not 

 always) ohlong or linear.. Eruit like that of T. terrestris or rather larger, 



with 2 or very rarely 4 prickles to each coccus. — A. Gray, 111. Gen. N. Am. 

 t. 145. .. ^ 



^ N. Australia. Gulf of Carpentaria, R. Brown; Port Easington, Armstrong; Albert 

 river and Swears Island, Heiine. 



QueezLsland. Northnmberlaud Island, K. Brown ; Port Curtis and Port iMolIe, 

 M'Gillivray; Lord Ilowick's gronp, F, Mueller; Port Dcnison, Fitzalan, 



N. S. "Wales. Liveipool |Jaiu3, Leichkardt, 



The species is frequent in the West Indies and many parts of tropical America, and in the 

 Pacific islands^ rare in tropical Asia and Africa. 



3. T. ranunculiflorus, F. Muell Fragu, i. 48. An annual, with 

 procumbent or ascending stems, hirsnte with spreading hairs. Lower leaves 

 alternate, upper ones opposite, the largjer one of each pair with about 8 or 10 

 pairs of obluiuely lanceolate leaflets, more or less silky-hairy. Flowers 



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