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Centrai axis. Ev-idently the reduction uî the axis and dissepiments from 

 the doubtlessly originally 3-locular ovary can reach different degrees, and 

 1 am not quite sure that the genus shall be maintained as a whole, when 

 more and well-preserved specimens have been examined. A very striking 

 fact may be remembered here, viz the unilocular ovary of Curcuma A'uns//?/'/ 

 Baker, see PI. xv.) found in several flowers of different origin, while in 

 one bud I examined the ovary was trilocular. 



The following species all of Borneo belong to this genus. 



H. decus sylvae (Hall) Val. = //. iiniflonim K. Sch. in Engl. Jahrb. 

 XXVII (1899) 232 t 4; K. Sch. in Pflzr. (1904) 90. fig 12, except f2. F.G. 

 which do not belong to this species. Ridl. 1906, 233. Borneo Sarawak 

 Batang lupar (Beccari n. 3219); m. Liang Agang (Hall. 2326 B); Matang (Ridl.) 



H. polyphyllum K. Sch. I.e. Borneo, Lundu, (Beccari Pi, Born. n. 2324.) 



H. oligospenniim K. Sch. I.e. Borneo, Batang lupar (Beccari n. 3307.) 



H. gracilipes K. Sch. l.c Borneo, Sarawak (Beccari n. 2839.) 



H. petiolatum K. Schum I.e. Borneo, Sarawak, m. Singli (Haviland n, 2026.) 



H extmsiim K, Sch. I.e. Borneo Sarawak, Batang lupar (Beccari ii. 3218.) 



Hapochlorema deciis sylvae, (Hall.) \'al. — Kaempferia decus sylvac 

 Hall 1896, 321 tab. 27 / 4; K. SCHUM. 1904, 79; — Haplochorema iiniflonim 

 K Sch , 1904, 90 i 89 B et 1899 232 t 4; Ridley 1906, 233. 



As already suggested by K. Schumann this species belongs to Hap- 

 lochorema, for the ovary is unilocular in its upper part. Moreover its like- 

 ness with both the figures of H. iiniflonim, K. Sch. is so great that [ have 

 little doubt that ihese species are synonyms. Comparing the figure of K. 

 decus sylvae With those cited the likeness does not seem very striking, 

 but Halliers fig. is drawn from the living plant and very badly too, 

 and so the leaves seem to be ovate with an almost cordate base, 

 but in most of the very numerous original specimens (Hall. 2326 B,) 

 in the Bzg. Herb, the leaves are exactly like those of Schumanns figures, 

 also as to the the nerves. Moreover the leaves in these figures show a very 

 curious insertion, they seem to be placed in the axil of an involute bract. 

 Now in reality this bract is placed opposite (alternating) with the leaf 

 base and envelopes the petiole with its sheathing base, on insertion 

 which seems characteristic for the genus, rarely seen in Kaempferia and 

 Gastrochilus. 



This species has been described in a rather ample way by Hallier, 

 but several important details have been omitted, or related inexactly, neither 

 his nor Schumanns figure gives an idea of the stucture of the plant. 



This is as follows: The stems are thin, prostrate, radicant, ("green, 

 rubescent, in vivo") clothed with dry, lanceolate sheathing scales, ösceucf/Vi^- 

 and flowering, while the creeping stolon is continued by side twigs issuing 



