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308 description of B. cuneifolia, there seems no doubt of its being the present plant, and that the habitats of Brazil and Monte Video are erroneous.

One of the most abundant plants in the Falkland Islands, growing with Empetrum rubrum. It appears to migrate northwards from the Strait of Magalhaens as far as Maldonado on the eastern, and Chiloe on the western coast of South America.

2. Baccharis Patagonica, Hook, et Am. in Bot. Journ. vol. iii. p. 29.

Hab. Strait of Magalhaens ; Port Famine, Capt. King, Capt. Sulivan; Cape Negro, C. Darwin, Esq. Staten Land, Mr. Webster.

Apparently a rare species, for I have seen it from no other part of Fuegia and Patagonia, or collected by any other naturalists but those mentioned above. The whole plant is much larger than B. Magellanica, and not viscid the leaves are sinuato-lobate towards the summit, opaque, and often turn black in drying ; in other respects it is very near it.

6. MADIA, Mol.

1. Madia sativa, Molin. Hist. Chili, p. 336. DC. Proclr. vol. v. p. 691. M. viscosa, Hook, et Am. in Comp. Bot. Mag. vol. iii. p. 51. Cav. Ic. vol. iii. p. 50. t. 298. Hab. Strait of Magalhaens, Cape Negro, C. Daricin, Esq.

This is the "Madi" and "Melosa" of the Chilians, who extract an oil from the seed, for which purpose it is cultivated abundantly both in that country and in other parts of America.

7. ABEOTANELLA, Cass.

1. Abrotanella emarginata, Cassini, Diet. vol. xxxvi. p. 27. Ojmsc. Phyf. vol. ii. p. 42. Gaud. in Freyc. Toy. Bot. p. 465. DC. Proclr. vol. vi. p. 141. Fl. Ant. pt. 1. p. 24 in observ. Oligosporus emar- ginatus, Cass, in Annal. Sciences Nat. vol. v. p. 104. t. 3. f. 4. D'Urville hi Mem. Soc. Linn. Paris, vol. iv. p. 644.

Hab. Strait of Magalhaens, Port Famine, Capt. King. Hermite Island, Cape Horn, J. D. H. Falkland Islands, abundant, Gauclichaud, J. D. H.

A very inconspicuous plant, allied to Ceratella and Triiieuron of the 'Flora Antarctica' (Pt. 1. p. 2-t.), and also to an unpublished Tasmanian genus. It is easily recognized by the curious scarious margins of the leaves, which are broad and bifid at the apex.

8. LEPTLNELLA, Cass.

1. Lepti>~ella plumosa, Fl. Antarct. pt. 1. p. 26. t. xx.

Hab. Kerguelen's Land, abundant near the sea, Anderson in Cook's 3rd Voyage, J. D. H.

Some observations on these specimens are in the work quoted above. The species is found on the American continent, and is one of the few plants common to Lord Auckland's Group and Kerguelen's Land which do not exist in Fuegia.

2. Leptenella scariosa, Cass. Bull. Phil. 1822. p. 127. Diet. Sc. Nat. vol. xxvi. p. 67. DC. Proclr. vol. vi. p. 141. Fl. Antarct. pt. 1. p. 28. in obs. L. (?) acffinoides, Hook, et Am. in Bot. Journ. vol. iii. p. 325. Cotula reptans, Banks et Sol. MSS. in Mus. Banks, cum icone.