Dec. 1894.] BOTANICAL SOCIETY OF EDINBURGH. 329 



perianth -tube i'^— /2 i"ch broad, globose, glabrous, green, 

 crowned with the persistent dark brown perianth-lobes. 

 Fruit -|- to under ^ inch broad, ovoid - globose, glabrous, 

 finely wrinkled, black, crowned with the persistent black 

 base of the style. 



* CaSUARINE/E. 



* Casuarina equisetifolia, Forst. — Baker, Flor, Maur. 

 Seych., p. 294. Waste ground, 5—15 feet above sea-level, 

 4th March 1889. Naturalised. Only one tree 16 feet 

 high, and one young plant observed by me, A native of 

 the Malay Archipelago. 



EUPHOEBIACE/E. 



Euphorbia pilulifera, Linn. — Baker, Flor. Maur. Seych., 

 p. 303. Waste ground, 10 feet above sea-level, 4th March 

 1889. Native. 



Phyllantiius mauritianus, n. sp. — Coralline lime- 

 stone, 5 feet above sea-level, 4th March 1889. Native. 



Stems i-4| inches long, erect. Leaves green above, 

 glaucous beneath, with a purplish margin. Bracts pale 

 purple. Male and female flowers 1—2 in the axils of the 

 leaves, either two flowers of the same sex, or one flower of 

 each sex, in the same axil. Perianth-lobes 6, pale green, 

 with a purple apex. Stamens 3 ; anther pale yellow. 

 Ovary green ; styles 3, spreading, bifid at the apex, pale 

 green. Capsule oV ii^ch broad, depresso-globose, glabrous, 

 pale brownish-green. 



A full description of this new species will be published 

 by me in Trans. Bot. Soc. Edin., vol. xx., February 1895, 

 in my "Eeport on the Flora of the Outlying Islands in 

 Mahebourg Bay, Mauritius." 



Phyllanthus Niruri, Linn. — Baker, Flor. Maur. Seych., 

 p. 309. Waste ground, 5-15 feet above sea-level, 20th 

 June 1890. Native. 



*Eicinus communis, Linn. — Baker, Flor. Maur. Seych., 

 p. 316. Waste ground, 15 feet above sea-level, 18th 

 August 1888. Scarcely naturalised. The castor oil plant 

 is a native of tropical Asia. 



