Aspidopterys oligoneura sp. nov. Sages Cagloptenss. 1940 
Frutex scandens, partibus novellis infructescentiisque parcissime sub- 
decidue ferrugineo-pubescentibus exceptis glaber, ramis teretibus, ra- 
mulis ultimis circiter 2 mm. diametro; foliis oblongo-ovatis vel ovato- 
ellipticis, chartaceis vel subcoriaceis, 7-13 cm. longis, 3.5-6 cm. latis, 
utrinque glaberrimis, supra subolivaceis, subtus paullo pallidioribus, basi 
rotundatis vel late acutis, haud cordatis, apice distincte acute acuminatis; 
nervis primariis utrinque 3, rariter 4, subadscendentibus, juxta marginem 
curvato-anastomosantibus; petiolo 1.5-2 cm. longo; infructescentiis 
axillaribus, 5-13 cm. longis, paniculatis, junioribus plus minusve 
ferrugineo-pubescentibus, pilis subdeciduis, vetustioribus glabris, pedi- 
cellis gracilibus, 1-1.5 cm. longis; fructibus ambitu subellipticis vel 
elliptico-ovatis, basi late rotundatis, apice plerumque perspicue emar- 
ginatis, 2-2.5 cm. longis, 1.5-2 cm. latis, alis submembranaceis, pallide 
brunneis, nitidis, crista dorsali 4-12 mm. longa, circiter 1 mm. lata, 
axibus persistentibus, anguste pyramidatis, 4 mm. longis; sepalis persis- 
tentibus oblongis, obtusis, 1.5 mm. longis; filamentis persistentibus 
2 mm., antheris 1 mm. longis; petalis ignotis. 
Inpo-CHiNa: Tonkin, Hoa Binh Province, Muong Thon, route from 
Hanoi to Hoa Binh, Pételot 2100 (TtyPE), 6392, May 1938 and May 
1939. 
A species essentially characterized by its few lateral nerves and 
within the section by its fruits, including the wings, being relatively 
narrow, as well as by the narrow but distinct dorsal crests on the 
samaras. By Niedenzu’s arrangement it apparently belongs in the group 
with Aspidopterys albomarginata Hance, the dorsal crests of which are 
about 5 mm. wide, the leaves with 5 or 6 pairs of lateral nerves. When 
the samaras fall the axis to which they were attached, interpreted by 
Dr. Dop as the columella, and by Niedenzu as the torus, persists, being 
narrowly conical and about 4 mm. long, its base being surrounded by 
three, triangular, acute, brown lobes about 1 mm. long. Dop in 1911 
described the dorsal crests of Hance’s species as 5 to 7 mm. wide; 
Niedenzu in 1928 placed it as a species of doubtful status, thinking that 
it might be near À. concava (Wail.) Juss. Niedenzu’s disposition of 
other Indo-Chinese species recognized by Dop, is as follows: À. macro- 
carpa Dop = À. elliptica (Blume) Juss., 4. Thorelii Dop — À. hirsuta 
19401 MERRILL, RECORDS OF INDO-CHINESE PLANTS, II 373 
(Wall.) Juss. var. Thorelii (Dop) Niedenzu, and À. costulata Pierre — 
A.tomentosa (Blume) Juss. I suspect that the species described by Dop 
as Aspidopterys nutans Hook. f. (non Juss.) is À. lanuginosa (Wall.) 
Juss. as interpreted by Niedenzu. 
