50 



majoribus, labello unguiculato, limbo subpanduriformi 



holosericco medio elongato acuminato piano. Nepal. 



Very near D. cucuUatum from which it is distin- 

 guished by its pale yellow fragrant flowers, and the 

 form of the labellum. 

 l^. D. macrostachyum (L. no. 19- Bot. Reg. t. 1865) ; cauli- 

 bus teretibus pendulis flagelliformibus, foliis ovato-lan- 

 ceolatis submembranaceis, floribus ternatis racemum 

 spurium formantibus, sepalis ovatis acutis, petalis lanceo- 

 latis sepalo supremo subsequalibus, labello cucuUato 



venoso : limbo ovato obtuso ciliato intus pubescente 



Ceylon Flowers pale yellow, smaller than in D. 



Pierardi. Lip streaked with purple veins. 



* # * 



IS. D. foUosum (Ad. Brongn. in Duperr. Voy. t. 41). 



14. D. gemellum (L. no. 28. Pedilonum hiflorum, Blume, 

 p. 322) ; foliis membranaceis lanceolatis acuminatis, 

 pedunculis oppositifoliis subbifloris, labello ovali acuto 

 apice subcrispo lamellis tribus serrulatis inconspicuis. 



• SincaporCi Java. ^A long-stemmed grassy-leaved 



plant, with small pale yellowish green flowers, growing 

 in pairs from short rigid two-valved truncated com- 

 pressed spathes, placed opposite the leaves. In this 

 respect it is like D. biflorum, of which it has all the 

 habit ; but the lip is perfectly entire and not three-lobed. 



15. D. rugosum (L. no. 57- Grastidium rugosum, Blume, 

 p. 333) ; foliis subcoriaceis lanceolatis apice emarginatis, 

 sepalis et labelli limbo acuminatis, labello intus membra- 

 naceo-rugoso. Java. Flowers pale yellow. 



16. D. salaccense (L. no. 56. Grastidium salaccense, Blume, 

 p. 333) ; foliis membranaceis lineari-lanceolatis oblique 

 retusis, sepalis acutis, labello obtuso intus 1-lineato. 

 Java. Flowers deep yellow. 



17. D. acuminatissimum (L. no. 55. Grastidium acuminatissi- 

 jnum, Blume, p. 335) ; foliis membranaceis linearibus sepa- 

 alisque acuminatissimis. Java. Flowers greenish. 



# # ^ 



18. D. chrysanthum (Wall. Cat. no. 2012. Bot. Reg. 1299 

 & 25) ; caulibus teretibus pendulis, foliis contortis ovato- 

 lanceolatis acuminatis, floribus inter folia nascentibus, 

 sepalis carnosis oblongis obtusis : venis extus tuber- 



