116 SPICILEGIA GORGONEA. 
49. Zygophyllum simplex, L. Mant. p. 68. Z. portulacoides, 
Forsk. Fl. Zig. Ar. p. 88. Z. stellulatum, Chr. Smith! in 
Tuck. Journ. p. 250 qui zone temperate per errorem 
civem dixit cum sit ex toto littoralis (J. D. Hooker in litt.) 
Fagonia prostrata, Brunn.! Ergebn. p. 69. — Ic. Forsk. 
ic. 12. : 
In ins. Salis (Forbes sine n. Brunner !) Circa Portum Praya 
ins. S. Jacobi planta maritima. (J. D. Hooker, n. 179. 
November, 1839, sp. fl. et fruct.) In ins. S. Antoni 
(Th. Vogel, Junio, 1841, sp. unicum sole ustum.) In ins. 
S. Jacobi (Darwin, sp. fl. et fruct.) 
XIX. Ruamnesz, Juss. 
50. Zizyphus Jujuba, Lamck. Encycl. 3. p. 318. Rhamnus 
. Jujuba, L: Sp. Pl. p. 282. Z. sororia, Schult. Syst. 5. 
p.988. Z. insularis, Chr. Smith in Tuck. Journ. p. 990, — 
spec. pessimum (fid. J. D. Hooker in litt.)—Ic. Rheed- 
Mal. 4. t. 41. Rumph. Arab. 8. t. 36. Pluk. Phyt. t. 312. 
fi 
The true Z. Jujuba, remarkable for its tawney down, and 
not the Z. orthacantha, DC. of Senegal, which Brunner says 
he saw in San Tiago (Ergebn. p. 127), of. which the down is 
white in the specimens given me by Mr. Perrottet. A 
specimen, apparently of the latter, occurs without flower oF 
fruit, in the herb. of the Paris Museum. 
XX. Lecuminosaz, Juss. 
51. Crotalaria Senegalensis, Bacl.in DC. Prodr. 2, p. 199. 
Guill. et Perr. Fl. Sen. Tent. p. 165, excl. syn. Del. In 
rupestribus ins. S. Jacobi (J. D. Hooker, n. 146 et 147, 
November, 1839, sp. flor. et fruct.) ibid. (Chr. Smith, in 
herb. Mus. Brit. excl. J. D. Hooker.) : 
Our plant appears perfectly distinct from the C. macilenta, 
Del. Cent. Pl. Afr. p. 85. t. 9. f. 2, with which it has beet 
associated by the authors of the Fl. Sen. Tent. The leaves, 
as well as the whole plant, are more pubescent and the leaf- 
lets more oblong and obovate and not elliptic. The flowers 
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