ROYAL GARDENS, KEW. 
BUTLLETIN 
MISCELLANEOUS. INFORMATION. 
No. 133-134.] JANUARY and FEBRUARY. [1898. 
DXCIL—CEARA RUBBER. 
(Manihot Glaziovii, Muell. Arg.) 
The plant yielding what is known in commerce as Ceara rubber 
or Manicoba, and shipped from the Brazilian ports of Ceara, Bahia 
and Pernambuco, was identified at Kew eleven rs ago. The 
— note on the subject appeared in the Kew Resort, 1871, 
p 
“ | mentioned in my last pon that a plant in up Merotai in 
the Botanic Gardens of Regent's Park, London, of Buite zorg 
(ave). and of Mauritius, d the name of Hevea n yanensis 
was, in reality, probably Manihot Glaziovii, Muell. A 
now abis to state that, having received authentic specimens of 
this species from the Botanic Gardens, Rio Janeiro, it is identical 
with the cultivated plant mentioned above, and also with that 
producing the Ceara rubber.’ 
Manihot oe is a Euphorbiaceous plant which was 
described by J. Mueller in Martius’ Flora Brasiliensis (xi., pt. ii., 
p. pr. Glazion (after whom the species is named) sent to 
Kew specimens from Rio, where he had it under cultivation. A 
full cipon with a plate, from a plant growing in the Ceylon 
Botanic Gardens, was contributed by the late Dr. Trimen to the 
Journal of perl y (1880, pp. 321-325, t. 215). ‘This plate was 
reproduced in the Kew Report L5» LE. 
erige uc d Glaziovii is a modera tely-sized tree, 30 to 50 feet high, 
rect rr 8 H 20 inches in diameter, branching di- or 
t 
transversely in narrow strips. The Teia are palate, deeply 
cut into three, five or seven oblong-ovate lobes, both 
surfaces except for a small tuft of woolly hair at gc Jouotiod of 
the petiole, thin in texture and deep bluish-green above, paler 
. beneath. The flowers are rather large, completely unisexual 
16573—1375—3/98 Wt90 D&S 29 P v E 
