362 On some Plants in the H. C. Botanic Gardens. 



APPENDICULA. 



Blume. Bijdr. p. 207. Tabellen. 40. Lindl. Gen. el Sp. 

 Orch.p. 227. Endl. Gen. PL p. 205. No. 1483. 



Char. Gen. — Perianthium connivens. Sepalum tertium 

 subfornicatum, lateralia cum pede columnae adnata calcar ob- 

 tusum saccumve mentientia. Labellum cum pede columnae 

 continuum, inclusum, indivisum, vel subtrilobum, appendicu- 

 tum. Columna nana. Anthera dorsalis. Pollinia 8, vel abortu 

 pauciora, in glandulam sessilia. 



Habitus. — Epiphyticae. Caules simplices vel ramosi. Folia 

 distieha ; lamina dextrorsum sinistrorsum versa. Vaginae 

 in paucis utrinque processu stipuliformi auctae. Racemi op- 

 positifolii, vel Glomeruli paleacei terminates. Flores minuti. 



A. callosa, caulibus caespitosis simplicibus, foliis oblongo- 

 parallelogrammicis basi deltoideo-cordatis apice bidentatis 

 (sinu mucronato), glomerulis florum terminalibus paleaceis, 

 petalis lineari-acuminatis, labelli sub-trilobi lobis lateralibus 

 dentformibus centrali cordato-ovato basi calloso apice rotun- 

 dato, columna apice biauriculata. 



A. callosa, Blume. Bijdr. p. 303. Lindl. Gen. et spec. Orch. 

 p. 230. 



Hab. — Penang. Mr. Lewes. Flowered here in October, 

 succeeding well in broken potsherds. 



Descr. — Stems 6-10 inches long, tufted, erect or spreading, 

 covered with the sheaths of the leaves, which have black scarious 

 margins, and are prolonged at the apex on either side into a linear- 

 setaceous black process, (stipula.) Lamina of the leaves exactly 

 bifarious, perpendicular, (looking right and left,) oblong, parallelo- 

 grammic, deltoideo-cordate at the base, at the apex bidentate with 

 the sinus mucronate : they are 2\ lines long, 1£ broad, coriaceous, 

 one- veined, parallel striate. Head of flowers terminal, oblique or sub- 

 erect, paleaceous, sometimes proliferous. Flowers generally ex- 



