SERTULUM BONTOCENSE. 75 
Succeeding glumes similar to the second one, all subtending per- 
fect flowers, usually 6 or 7 flowering glumes in each spikelet. 
Luzon, Bontoc Subprovince Bauco, Vanoverbergh 273, hillsides, altitude 
about 1,320 m, first collected in March, 1910, again in May or June, 1910, 
and more abundant and representative material in May, 1911. 
A curious species which may possibly be referable to some other genus 
than Cladium. It has very much the habit of various species of Fimbri- 
stylis of the F. diphylla group, but is at once distinguished from that and 
allied genera by its glumes being distichous, not spiral, or only the lower 
one or two spiral, very strongly resembling the spikelets of Cyperus in 
this character. It is anomalous in Cladium in its habit, its very slender, 
slightly pilose leaves, which are all basal, in its Fimbristylis-\ike inflores- 
cence, its spikelets with mostly perfect flowers, and its glumes mostly dis- 
tichously arranged. 
When first received I could not refer it to its proper genus, and speci- 
mens were accordingly sent to Rev. G. Kiikenthal, who reported it as 
probably referable to Cladium; in the meantime the second collection 
having been received, I had also tentatively placed the material in Cladium. 
The description has been drawn up with reference to all three collections. 
SCLERIA Berg. 
Scleria pergracilis (Nees) Kunth Enum. 2 (1837) 354; Clarke in Hook, 
f. FI. Brit. Ind. 6 (1884) 685. 
Hypophoriim pergracile Nees in Edinb. Phil. Journ. 17 (1834) 267. 
Luzon, Bontoc Subprovince, Bauco, Vanoverbergh 889, October 5, 1910, 
on hillocks, altitude about 1,400 m. Mindanao, District of Cotabato, near 
Makar, Copeland, December, 1911. 
Not previously reported from the Philippines; Tropical Africa, through 
India and Ceylon to Yunnan. Remarkable for its lemon-scented leaves. 
ZINGIBERACEAE. 
ALPINIA L. 
Alpinia vanoverberghii sp. nov. § Probolocalyx. 
Herba erecta circiter 2 m alta, subtus foliis minute puberulis, 
inflorescentiis terminalibus pubescentibus ; foliis oblongis, brev- 
iter petiolatis, usque ad 30 cm longis, 11 cm latis; racemis 
simplicibus quam folia longioribus, multifloris, bracteis brac- 
teolisque nullis, pedicellis inter se remotis, solitariis vel binis, vix 
2 cm longis; floribus pro genere magnis, albis, 5 ad 6 cm longis, 
connectivo vix appendiculato. 
An erect herb about 2 m high. Leaves alternate, distichous, 
the sheaths of the uppermost ones frequently 30 cm long, rather 
loose, glabrous, the ligule chartaceous or subcoriaceous, 1.5 cm 
long or less, usually inequilaterally 2-lobed, the petioles 1.5 cm 
long or less ; leaf-blades oblong, subcoriaceous, up to 30 cm long, 
11 cm wide, glabrous and somewhat shining above, beneath 
slightly paler, shining, more or less puberulent, the base broadly 
