284 MR. H. N. RIDLEY—AN ENUMERATION OF 
may easily be mistaken for it. It is, however, much smaller, the 
stems very numerous, forming a large turf on the branches of 
the trees. The pedicel is erect, not recurved and nodding, the 
flower smaller and never white, the lateral lobes of the lip much 
narrower, and the mid-lobe of a different shape. 
Erra (Š BAMBUSJEFOLIA) ELONGATA, Sp. nov. 
Caules validi, teretes, 4-pedales. Folia plura linearia acuminata 
inequaliter biloba, 7 pollices longa, 4 poll. lata, vaginis 13-polli- 
caribus oribus integris. Racemi laterales brevissimi, 3-pollicares. 
Bractee 4 late lineares acute, 3-poll. longs, flave. Flores sin- 
guli fugaces, ovariis cum pedicellis 4-pollicaribus flavescentibus. 
Sepalum posticum lanceolatum acutum lateralia basi late lanceo- 
lata falcata, 3 poll. longa. Petala linearia acuta falcata, omnia 
alba, extus bruneo-maculata. Labellum obovatum, sepalis brevius, 
album, lobis lateralibus faleatis acutis, medio breviore lanceolato 
marginibus incurvis sinuosis, flavo, quam lateralia breviore, disco 
inter lobos laterales elevato. Columna longiuscula. Anthera 
conica, breviter rostrata.  Stelidia lata, inflexa.  HRostellum 
planum, brevissime rostratum.  Pollinia 8, quorum 4 parva 
ovoidea, 4 oblonga elliptica. 
Sarawak (Bishop Hose). V. v. 
A tall stiff plant with the habit of Dendrobium gemellum, 
Lindl., but the flowers and bracts are those of the Nutantes 
section of Hymeneria. 
E. (Š Trichorosta) FEROX, Blume, Mus. Bot. Lugd.-Bat. ii. 
p.184. Sintang (Teysmann 17339 in Herb. Bogor.!). Kinabalu, 
6000 feet alt. (Haviland). 
E. TUBEROSA, Hook. f. Fl. Brit. Ind. v. p. 807. Sarawak 
(Haviland !). A form with the lip most obscurely lobed, mid-lobe 
oblong. 
E. vELUTINA, Lodd. ex Lindl. Bot. Reg. (1840), Misc. p. 86. 
Kuching, Sarawak (Haviland !). 
E. VESTITA, Lindl. Bot. Reg. (1844), Misc. p. 76. Saribas 
River ( Haviland !). . | 
E. PAUCIFLORA, Blume, and E. CANALICULATA, Blume, Mus. 
Bot. Lugd.-Bat. i. pp. 183-184, collected at Martapoera (S. 
Borneo) ; and E. RUBIGINOSA, Blume, l. c. p. 184, from Sakoem- 
bang, belong to this section. 
