131 — 



are 100 mm. long 50 wide. The two lowest bracts inserted a little below 

 the base are sterile, they are larger than the rest, broader than long and 

 very much inflate. The rest obovate with a broad rounded or very blun* 

 upper niargo and a very distinct niucro below the top, closely appressed 

 but with a convex back. Mean size 30 X 27 or 32 X 22. The membranaceous 

 white margo is very broad (2 mm.) and conspicous and not densely hairy, 

 often almost glabrous, conspicuous in herbarium, the free portions of the 

 bracts are subglabrous, the covered part finely puberulous. Flowers large 

 (50-55 mm); white, or cream coloured, (221 and 0221, lip 216 cod.). Lip 

 orbicular or very broadly ovate with a broad base shortly bifid or emarginate 

 (20 X 20) not longer or rather shorter than wide with a wide somewhat crisped 

 margin. Staminodes orbicular almost free from the lip and placed sideways 

 and halfway facing the lip. The petals are oblongovate acute, not acuminate, 

 the anterior ones not or very little longer than the lip ; the dorsal one 20X13, 



The anther is 10 mm long 4 — 5 broad, the appendix much shorter 

 than the anther (7 mm). 



After flowering time the colour of the spike turns into a beautiful red 

 (11 and 6, Cod.) The bracts are however greenish at their base and striped 

 in the middle, the free tips only are entirely red. The peduncular bracts 

 retain their olive green colour. 



In our numerous cultures the spike never continues growing while 

 flowering, as is the case with Z. amaricans and with Z. neglectum, nor 

 did I see any prolongate spikes in our herbarium specimens. But perhaps 

 there is some correlation between this character and the producing of fruits, 

 tor Z. Zerumbet never fruits in our cultures. 



The numerous specimens of diverse origin here referred though un- 

 mistakebly belonging to one species are rather varying in dimensions if the 

 flowers are compared exactly, (see PI. xv f 3, 4, 6, 7, 8 ). But in each separate 

 stock the flowers are almost identical. The most diverging forms are that of 

 Djocjakarta culture where the petals surpass the lip, and that of Borneo with 

 the obovate lanceolate dark leaves. But all essential characteristics agree. 



3 Zingiber aromaticum Val. n. sp.; RuMPH. \. c. Lampujum minus.— 

 Z. Zenimbeth, Ridley I.e. 27. see PI. xv f 9, 10. PI. xvii f 6,7. 



Herba mediocris, rhizomate crassiusculo stramineo, intus pallide flavo 

 (171 cod.) e tuberibus nunc 30X30 longis, basi constrictis, novellis tereti- 

 bus composita. Gaulis metralis. Folia brevissime petiolata vel sessilia 

 oblonga, 240 X 55, 270 X 70, 300X65 subacuminata acutissima, basi 

 attenuata, herbis adultis folia inferiora brevi-petiolata, basi oblique rotun- 

 data, supra glabra, su.btus pilis parcis vel etiam densis imprimis ad cos- 

 tarn arachnoideis conspersa. Petiolus brevissimus articulatus subglaber vel 

 hirsutus. Ligula ad 20-25 mm. longa, integerrima, imprimis prope basin 

 pilosula. Vagina pilosa vel glabrescens. 



