- 85 — 



piirpurascentibus, piirpureo-nervosa, c. 1.25 cm. longa, 0.8 cm. lata. Gyiios- 

 temium flavescens, c. 0.4 cm. loni^um, cliiiaiidrio coiicavo, margine in utraque 

 filamsnti parte dente obtusangiilo iiistructo, apîce triangulo-subulato, aiiri- 

 culis triaiigiilis, trigonis, purpureo-suffiisis. Stigma longitudinale, obloiigum, 

 purpureo-marginatiim. Pes gyiiostemii cum ovario angulum aciitum faciens, 

 linearis, apice excavatus, truiicatus, c. 0.55 cm. longus. Ovarium 6sulcatiim, 

 •cum pedicello sigmoideum, purpureum, c. 1.6 cm. longum. 



Celebes: Menoedjoe. (Exp. L. van Vuuren 1913, Rachmat, liv. pi. cuit, 

 in Mort. Bog. sub n. 8). 



Differiiig from the Javanese form in tlie colour of the plant and in the 

 form of the lip. 



Intermediate forms between the normal and the peloric floweis were found 

 on the same plant. 



Description from living spécimens. 



'^ B u 1 b p h y 1 1 u m (sect. Epicrianthes) j a v a n i c u m J. J. S. in Bull. 

 Jard. Bot. Buit. 2e sér. no XXVI (1918), 51; etc. 



var. sumatranum J. J. S. n. var. 



Habitus opinino typi. Sepala reflexa, ovato-lanceolata, breviter acutis- 

 sime acuminata, concavula, carnosula, ochrasjentia, basi sordide punctato- 

 striato-purpurea, supra basin inconspicue dilute sordide purpureo-punctata, 

 dorso impresse furfuraceo-puncticulata, c. 0.83 — 1 cm, longa, c. 0.3 cm. 

 lata. Petala basi 0.15 cm., ad lobulos 0.225 cm. lata, appendicibus 9—11, 

 inflatis, teretibus, interdum apice leviter incrassatîs, obtusis, pariete 

 tenerrimis, griseis vel atropurpureis, c. 0.2—0.55 cm. longis, stipitibus c. 

 0.025 — 0.16 cm. longis. Labellum quam in speciminibus javanicis angustius, 

 anguste lanceolatum, acutissimum, pulchre viride, atropurpureo-maculatum, 

 c. 0.675 cm. longum, ad pulvinos c. 0.14 cm., superne 0.12 cm. latum. 



Sumatra: Padangsche Bovenlanden, Agam, Boekit Batoe Balah. (E, Ja- 

 COBSON cuit, sub n. 1250). 



The variety differs chiefly from the Javanese spécimens in the re- 

 flexed narrower sepals and the narrower lip dotted dark purple on a green 

 ground. 



Since I published the fresh description of B, javanicum J. J. S. 1, c. 

 I hâve studied more living flowers from the same origin. The appendices 

 of the petals are really terete and inflated as in the variety. 



Description from living spécimens. 



B u 1 b p h y 1 1 u m (Sect. Epicrianthes) r i g i d i f i 1 u m J. J. S. n. sp. 



Rhizoma Pseudobulbi inaequaliter quadranguli, lateribus concavi, 



-c. 0.3—0.475 cm. diam. Folium oblongo-ellipticum, auguste obtusum, basi 



