PuLate 2755. 
LANDOLPHIA KIRKII, Dyer. 
Apocynacem. Tribe PLUMERIOIDER. 
Landolphia re ae in Kew Report, 1880, pp. 39, 42; Stapf 
in Flora Trop. Afric 55; L. Heudelotit affinis differt corollis 
minoribus, ovario gates: ted nervis numerosioribus. 
Arbuscula cirrhis ramosis scandens, cortice rugoso-tuberculato, 
novellis ramulisque primum velutinis, ramis deinde glabris nigres- 
centibus albo-punctulatis. olia lanceolata vel oblongo- ad lineari- 
lanceolata, 1-4 poll. longa, ad 14 poll. lata, he attenuata, inter- 
dum acuminata et basi rotundata, breviter petiolata, membranacea, 
supra lete viridia et Aste subtus pallidiora et ts eal nervo medio 
boiacnes nervis lateralibus patentibus prope margi tomosan 
tibu ymee terminales, fusco pubescentes, vel Laapitar ‘paiune atee 
et iecke thyrsoideo- -corymbosx, pedunculo deflexo 2-5 poll. longo, sien 
Sepala ovato-elliptica, obtusiuscula, carinata. Corolla tubo silane 
superne dilatato calyce duplo longiore, lobis tubum subsequantibus 
linearibus acutis externe puberulis. _Anthere oblonge, acute. 
e 
stigmate cylindraceo bifido. Fructus pee: ad 3 poll. Jongus. 
Semina plurima, angulata, diametro ad 9 lin.—Z. elastica, Vatke ex 
Dewévre, Caoutch. Afric. Monogr. Lanlsiph, p- 45; L. polyantha, 
K. Schum. in Engl. Jahrb. xxviii. p. 452; Vahea Kirkii, Sadeb. in 
Jahrb. Hambur _ uence Anstalt, ix. i, (1891), p. 226; V. elastica, 
ce. p. 46. 
TropicaL East AFRICA : Hoge East Africa to the Shire Highlands, 
where the typical form gro 
The development of the important india rubber trade of East Africa 
was entirely due the energy and sagacity of Sir John Kirk. As 
early as 1868 he sent specimens of the present species and rubber made 
from it to Ke This is collected in a way s perhaps unique in 
ch i 
any rubber-yielding plant. Some of the milk from a wound is gine 
to coagulate. The pellet so obtained is applied to a fresh cut, ‘and 
being turned with a rotary motion, the exuding milk i is drawn off like 
