Revision of Genus Alstonia — MONACHINO 
149 
Under T ahernaemontana citrifolia, Linnaeus 
cited "Hort. Cliff. 76, Roy. Lugdb. 413; Plum, 
gen. 18; Pala Rheed. mal. 1. p. 81. t. 46.” The 
citation of "t. 46” for Pala is an error for "t. 45.” 
Only because of its reference to Pala is the name 
listed under A. scholaris. T. citrifolia in Hill’s 
1774 edition of Horti Malabarici is given to 
figure 46, which is a copy, in part, of figure 45 
in the 1678 edition; the description here is also 
copied from Rheede, but the diagnosis refers 
to the Linnaean species. 
Under T ahernaemontana alternifolia , citation 
was made of "Breyn. prodr. 2, p. 86; Lignum 
scholars Rumph. amb. 2 p. 246, t. 82” and 
"Curutu-pala Rheede mal. 1, p. 83, t. 46.” The 
name is listed under A. scholaris principally be- 
cause of its reference to Lignum scholare and 
partly because of its reference to Breynius’ work 
(see Nerium lactescens, etc.). 
The only information Noronha gives for 
Aeschynomene laevis is that it is a new species 
bearing the Javanese name "Caju Gabus.” It 
here apears in the synonymy of Alstonia scho- 
laris entirely on the authority of Miquel. The 
Malayan name "Kajoe Gaboes” is sometimes 
applied to A. scholaris ( fide K. Heyne). 
Type of A. scholaris /3 Blumii . — "In Java 
(Blum, bijdr. p. 1037).” Blume described this 
as "A. scholaris variet.,” without varietal name, 
and stated: "ad pedem montis Salak . . . foliis 
cuneato-oblongis obtusis, umbellis effusis.” The 
indications are that this variety was based on a 
trivial variation in leaf shape. It is unlikely that 
it was confused with A. spatulata, for Blume 
knew this species, he himself having published 
it. There is no evidence that it is A. pneuma- 
tophora, which also has cuneate leaves. The 
latter is either rare or lacking in Java; its leaves 
are almost identical with those of A. spatulata, 
and it is presumed that Blume would have noted 
the foliage similarity if the variety before him 
had been A. pneumatophora. 
Type of A. scholaris y Avae.—" In montibus 
Tong-Dong prove Avam. A. scholaris Wall, list 
1644. f” Ava is in Burma, and according to 
Wall. Num. List, 6th citation under 1644, the 
Toong plant was collected by William Griffith. 
This variety apparently was based on a trivial 
variation in leaf shape; "foliis elongatis. Folia 
6-8 poll, longa, 1^2-214 poll, lata, apice an- 
gustata obtusiuscula.” 
Type of A . Kurzii . — "Forests of the Andaman 
Isis., Kurz.” Hooker placed this under "Species 
of Doubtful Position,” and stated that it was 
the er A. spectabilis Kurz For. FI. 2: 183, not of 
Brown.” Hooker’s description obviously is de- 
rived from Kurz. The only character adduced 
to distinguish this species from A. scholaris is 
the "quite glabrous” inflorescences or the "glab- 
rous panicle.” Kurz (1877: 254) noted that 
it is "hardly specifically distinguishable from 
A. scholaris.” The density of pubescence in the 
inflorescences of A. scholaris varies greatly, but 
I have never seen any specimen completely 
glabrous. 
Alstonia ole andrae folia Lodd. ex. Loud., Hort. 
Brit. (1830) 67, is referred to A. scholaris by 
G. Don ( 1837: 86) and in the Index Kewensis. 
In Hort. Brit., A. oleandrae folia is listed with- 
out description and Nerium tinctorium Hort. is 
cited in synonymy. Nerium tinctorium Hort. 
ex Sweet, Hort. Brit. ed. 1. (1826), 274, was 
published merely as a synonym of Allamanda 
verticillata Desf. ex Spreng. The description of 
the latter in Sprengel’s Syst. is inadequate for 
precise identification. Desfontaines (1815) 
listed Allamanda verticillata under the heading 
"Germen simplex, fructus baccatus aut rarius 
capsularis.” From this characterization it is clear 
that Allamanda verticillata is not an Alstonia, 
and consequently neither is Alstonia ole andrae - 
folia. 
Nerium tinctorium Hort. ex Sweet has been 
placed in synonymy, under A. scholaris, by G. 
Don (1837: 86) and others. As shown above, 
there is no justification for associating the two 
names. C. B. Robinson (1908: 306) states 
that Nerium tinctorium in Perrottet ( 1824: 
132) is from description probably Alstonia 
scholaris. Following this lead, Merrill (1923: 
