XJC - 6 Merrill: Reliquiae Robinsonianae 303 



PLUMBACINACEAE 



PLUMBAGO Linnaeus 



PLUMBAGO ZEYLANICA Linn. Sp. PI. (1753) 151. 

 Boeton, Baoebaoe, Rel. Robins. 2492, July 13, 1913. 

 Widely distributed in the tropics of the Old World. , 



SAPOTACEAE 



SIDEROXYLON Linnaeus 

 S1DEROXYLON sp. aff. attenuatum A. DC. 



Amboina, Wae, Rel. Robins. 1817, November 26, 1913, along the sea- 

 shore, locally known as bunga tanjong. 



This is possibly included in the description of Lignum eurinum Rumph. 

 Herb. Amb. 3: 63, t. 35, but is not the form figured by Rumphius. In 

 Lignum eurinum the leaves are acuminate to acute, but in the specimen 

 cited above they are obovate, the apex broadly rounded. It is probably 

 specifically distinct from Sideroxylon attenuatum A. DC, but unfortunately 

 the flowers are very immature. 



EBENACEAE 



MABA Forster 

 MABA ROSTRATA sp. nov. § Rhipidostigma. 



Arbor parva, monoica, usque ad 10 m alta, ramulis junioribus 

 subtus f oliis ad costa inflorescentiisque pubescentibus ; f oliis ob- 

 longis, firme chartaceis vel subcoriaceis, nitidis, usque ad 23 cm 

 longis, apice breviter obtuse acuminatis, basi cordatis, nervis 

 utrinque circiter 13, prominentibus ; inflorescentiis cymosis, 

 axillaribus et e axillis defoliatis; floribus 3-meris, staminibus 9; 

 ovario 6-loculare; fruetibus oblongo-ellipsoideis, utrinque angus- 

 tatis, apice prominente rostratis, usque ad 4.5 cm longis, 

 extus verruculosis, in siccitate brunneis, sursum Ieviter adpresse 

 hirsutis. 



A small tree attaining a height of 10 m and a diameter of 12 

 cm. Branches reddish-brown, glabrous, the branchlets rather 

 densely subcinereous-pubescent with short hairs. Leaves oblong, 

 firmly chartaceous to subcoriaceous, 9 to 23 cm long, 4 to 7 cm 

 wide, apex shortly, broadly, and obtusely acuminate, base cor- 

 date, rarely merely rounded, the upper surface quite glabrous, 

 dark-brown or somewhat olivaceous-brown when dry, shining, 

 the lower surface a little paler, pubescent on the midrib, often 

 also sparingly pubescent on the nerves; lateral nerves about 

 13 on each side of the midrib, prominent, anastomosing, the 

 reticulations lax; petioles about 5 mm long, pubescent, ultimately 

 nearly glabrous. Cymes axillary and in the axils of fallen leaves, 

 staminate and pistillate ones on the same plant, or sometimes 



