214 ROBINSON. 
Tristania sp. , , , . 
A species, believed to be of this genus, luis now been collected several times, 
always sterile, from roHlIo, 9U2, local name diiiglas, Canuirines, Albay, Leyte^ 
and Mindanao. Its wood is of coniniereial importance. 
Other species; Decaspermum ptmiculatum (Lindl.) Kurz, 6985, 103.'f2, 10',S6, 
local name guyong-guyong : Psidium guajava Linn., G876, local name bayiihas. 
MELASTOMATACEAE. 
Astronia willfamsii Merrill sp. iiov. 
Arbnseula 2 ad 3 ui alta: paniculis quam folia miilto Ijrevioribus, 
brunneo-furfuraceis vel lepidotis, nuiltifloris ; floribus 5-raeris, 2 ad 2.5 
null lougis: foliis ehartaceis, oblongo-ellipticis, usque ad 20 em longis, 
apicc breviter aeuminatis, basi acutis 5-plinerviis, nervulis transversa- 
libus prominentibus, supra glabris, subtus plus minusve dense at minute 
palhdo-Iepidotis, nervis nenuliique plus minusve brunneo-furfuraceis, 
. vetustioribus subglabrescentiljus. 
Panicles terminal, uniformly dark-biwvn-furfuraeeou? or lepidote, 
many-flowered, 3 to 9 cm long, 6 to 10 cm wide, the flowers subum- 
bellately disposed on the ultimate branclilets: flowers yellowish-white, 
their pedicels brown-furfuraceous, 2 mm long; calyx urceolate-campan- 
ulate, 3 to 2.5 mm long and wide, in ^ery young fruit 3 mm, brown- 
furfuraceous, with 5 broad, short, acute teeth about 0.8 mm long; 
petals orbicular, about 1.7 mm in diameter, deciduous; anthers obovoid, 
0.8 mm long; style 2 mm long. 
A shrub 2 to 3 m high, its branches liglit-gray, glabrous, terete, the 
younger parts rather densely furfuraceous or lepidote ^^-ith small, dark- 
brown scales: leaves eUiptic-oblong, chartaceous, 10 to 20 cm long, 4 
to 9 cni wide, the ape.x sharply but rather shortly acuminate, base 
acute, the upper surface glabrous, green, somewhat shining, the lower 
surface rather uniformly and densely minutely subcinercous-Iepidote, the 
ne^^es and nervules distinctly bro«'n-furfuraceous, in age becoming sub- 
glabrous; nerves 5, the outer pair leaving the midrib nearly at the base, 
me mner pair at from 5 to 10 mm above the base, all reaching the 
ape.x a verj- famt marginal pair sometimes also present, the transverse 
veinlets prominent, distant, subparallel, numerous ; petioles densely brnwn- 
furfuraceous or lepidote, 2.5 to 3.5 cm Ion- 
(tvZT''v ^™''"'' ''^ ^''taan, Mount Marivelos, WilUanu, 722, March, 1904 
of lii;, T"^. '^''^'' ^"" ^'"''°' ""■'■ ^''- -*5i Ramos, June, 1910: Province 
*L aT, . ?„n„"*""'"' ""''■ ^"- ^^»~' ^«'«««- Po"LLO, Bur. Sen. 9m Robin- 
but'.ttTr' ■ ^'"'^ *" -^*''-''"« P"'^'^'-" Vid. .A A. cunungiana Vid., 
leDhll «'?f ' r"'"""^ ''^'"'' ''''^'^""^ f'"™ ^- ^V^' Vid. by its leaves being 
meuenT ^^''^Z'"'"^"'" '*'""''"' '^"'^ ''«^'"g m^re numerous nerves, from A. 
andlnlT f ■*' "' "°*^ ^'"^' •'''"^'''y '■overed with papery bro«-n scalee 
small" fl '!."' ""'"''"• ''''^ ^••"' ^-J- -^^ I'^lillo I'l- ts have somewhat 
smaller flowers than the type, but th.y are „Uo less mature. 
