526 ACANTHACE, . 
2. Tetramerium nervosum, Nees in Benth. Bot. Voy. ‘Sulphur,’ p. 148, t. 48, 
et in DC. Prodr. xi. p. 468 (8. angustifolium). 
Sout Mexico, Tepic (Sinclair). Hb. Kew. 
The type is from Ecuador. 
3. Tetramerium ovalifolium, Girst. in Vidensk. Meddel. 1854, p.170; Walp. 
Ann. v. p. 666. 
Sours Mexico, Chapulco, Puebla (Liebman). Hb. Kew. 
4, Tetramerium ovatum, Cirst. in Vidensk. Meddel. 1854, p. 169; Walp. Ann. 
v. p. 665. 
Mexico (Liebmann). 
5. Tetramerium polystachyum, Nees in Benth. Bot. Voy. ‘Sulphur,’ p. 147; 
DC. Prodr. xi. p. 468; Seem. Bot. Voy. ‘ Herald,’ t. 68. 
NortH Mexico, Sierra Madre (Seemann, 2112) ; Honpuras, Gulf of Fonseca (Sinclair). 
Hb. Kew. 
[Z. platystegium, Torr. Bot. U.S. & Mex. Bound. Surv. p. 126, was collected near Rio 
Grande city, on the north bank of the river. | 
6. Tetramerium scorpioides, Hemsley. 
Henrya insularis et H. barclayana, Nees in Benth. Bot. Voy. ‘Sulphur,’ p. 149, t. 49. 
Henrya scorpioides, Nees in DC. Prodr. xi. p. 491. 
Dicliptera scorpioides, Juss. in Ann. Mus. Par. ix. 269. 
Justicia scorpioides, Linn. Sp. Pl. i. p. 21. 
Justicia, Banks, Reliq. Houst. p. 3, t. 1. 
Souta Mexico, Mirador (Linden, 190), Vera Cruz (Hahn), Jalisco (Beechey); Guats- 
_ MALA (Friedrichsthal); Nicaragua (Girsted); Panama, island off Veraguas (Sinclair). 
Hb. Kew. 
[The Myoporinee are a small order, comprising five genera and about eighty species, 
whereof two genera and sixty-eight species are Australian; one genus extends from 
New Zealand to the Pacific, Mascarene and Malayan Islands, China and Japan ; 
another, of two species, is peculiar to South Africa; and the monotypic Bontia 
(B. daphnoides, L.; Griseb. Fl. Brit. W. Ind. p. 503) inhabits Trinidad, Antigua, Hayti, 
and other islands in the West Indies. The Se/aginew number eight genera and about 
140 species. Six of the genera and about 120 of the species are peculiar to South 
Africa, with the exception of one species found in Madagascar. Of the two remaining 
genera, one inhabits the Mediterranean region, including the Canary Islands, and the 
other Central and North Asia. | 
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