K. paucijuga. KORTHALSIA. 121 
is slender, 5-10 em. long, 2 mm. broad, polished, subtrigonous, flat above, armed 
with a few small claws and obsoletely angular below. In the Herbarium speci- 
mens the leaves acquire a chestnut-brown colour. Spadiz unknown. 
Latin Diagnosis—Korthalsia furcata Bece. sp. nov. j 
HanrrAr.—Discovered by Dr. Hallier on Sungei Kenepai during the Dutch 
Expedition in Borneo, 1893-94 (No. 2034 in Buitenzorg Herbarium). 
OsskRvATIONS.— The specimens from which the description of this quite distinct 
little Korthalsia is derived consist of the upper parts of plants not in flower, and 
apparently not quite fully grown, but whieh however have, seemingly, attained their 
definitive characters. The forked leaves which in other species (in K. scaphigera 
for instance) are produced only in the primordial stage of the plant, are apparently 
in K. furcata definitive, anl afforl a diagnostic character unique among all the 
Korthalsias known up to the present day, that is if in the last and flowering 
period pinnate and cirriferous leaves are not produced. ; 
Prare 74.—Korthalsia furcata Bece—The entire upper part of a plant; a 
detached leaf ; (from Hallier’s No. 2034 in the Buitenzorg Herbarium). 
Parvula, caudice tenuissimo; vaginis brevibus laevibus vel parcissime spinosis, 
ocrea inflata ovato-elliptica ; frondibus brevissimis, petiolo gracili, limbo simpliciter # 
profunde furcato, sive segmentis duobus basi unitis late linearibus, 3-9-costulatis 
composito. 
9. KorTHALSIA PAUCIJUGA Becc. sp. n. 
DescrIprion.—Slender. Sheathed stem 8-10 mm. in diameter. ' Leaf-sheaths 
slightly and  fugaciously rusty-furfuraceous, armed only along a narrow ventral 
line, with a few small straight spines, otherwise smooth. ^ Ocreae short. 10-15 
mm. long, closely sheathing, smooth or very sparingly prickly, truncate, coriaceous 
at the base, and thinly membranous, ragged and perishable in their upper part. 
Leaves small, 18—28 cm. long in the pinniferous part, having only 3 leaflets on each 
side of the rhachis, and ending in a very slender, very minutely clawed cirrus. 
Petiole very short, distinctly callose at its axilla, 10-25 mm. long at most; the 
rhachis rusty-furfuraceous, ‘especially in its lower part, and armed with few 
relatively strong claws. Leaflets alternate, rigid-papyraceous, glossy above, subcon- 
colourous but dull below, more or less ferruginously powdery at their basal part 
and besprinkled all over with very minute ferruginous dots, visible only under a 
good lens; in shape the leaflets are cuneately-oblong or sub-rhomboidal-cuneate, 
are very irregularly and boldly and  obtusely sinuate-toothed on their upper 
margins, and have the apex prolonged into a lengthened acumen; the sides 
below the toothed part are slightly curved in converging to the base, and not 
quite straight, as is usually in other -species, in K. rigida for instance, which the 
leaflets of K. paucijuga in other respect resemble; the main nerves are 5, but & 
usually only 3 are distinctly prominent; transverse veinlets very numerous, approxi- 
mate, fine, and, as in allied species pellucid; in every leaf the lower pair of 
ANN. Roy. Bor. GARD., CALCUTTA, VOL. XII. 
