ONCIDIUM ORNITHORHYNCHUM 
ALBIFLORUM. 
[Phare 512.] 
Native of Guatemala. 
Epiphytal.  Pseudobulbs ovate or ovate-oblong, one to one and a half inches 
high, diphyllous. Leaves imbricating, several at the base of the pseudobulbs, 
linear-lanceolate, acute, ribbed, deep green, eight to ten inches long.  Scapes 
produced from the axils of the basal leaves, many-flowered, panicled, arching, a foot 
or more in length. Flowers one inch across the vertical diameter, white; sepals 
and petals oblong linear, petals slightly waved at the edges, lateral sepals divaricate ; 
lip sub-pandurate, with bi-lobed apex, margins of lateral lobes reflexed; crest 
consisting of five yellow toothed lamellae. 
ONCIDIUM ORNITHORHYNCHUM, Humboldt, Bonpland and Kunth, Nova Genera 
et Species Plantarum, i. t. 80. Lindley, Genera and Species of Orchidaceous 
Plants, p. 204. Botanical Register, 1840, t. 10. Foha Orchidacea Article 
Oncidium, No. 189. Bateman, The Orchidaceae of Mexico and Guatemala, t. 4. 
Botanical Magazine, t. 3912. Knowles and Westcott, Floral Cabinet, iii, t. 136. 
L’Orchidophile, 1885, p- 102 (with plate). Veitch’s Manual of Orchidaceous Plants, 
Part viii, p. 66. Williams’ Orchid Grower's Manual, 7th edition, p. 625. 
ONCIDIUM ORNITHORHYNCHUM ALBIFLORUM, HG. Reichenbach, Gardeners 
Chronicle, 1873, p- 503. Floral Maguzine, new series, t. 398. LP’ Orchidophile, 1885, 
p. 102 (with plate). Gardeners’ Chronicle, 3rd series, 1894, “VL, pe 751, 1% 102. 
Gardeners’ Magazine, 1895, p. 18 (with figure).  Veitch’s Manual of Orchid- 
aceous Plants, Part viii., p- 66. Williams Orchid Growers Manual, 7th edition, 
Pp. 625. 
ONCIDIUM ORN YNCHUM ALBUM, Journal of Horticulture, 1894, xxix., p. 
399, f. 62. 
Our present subject is an “albino” of a very old favourite known to gardens 
for many years past, and one that is much esteemed by cultivators, more especially 
on account of its beautiful drooping spikes of flowers which emit a delicious 
perfume. There are two varieties of the type, one having darker and larger 
flowers, | 
Oncidium ornithorhynchum albiflorum was first flowered by the late John 
Day, Esq., of Tottenham, a most enthusiastic Orchid grower, and whose collection 
was one of the largest and most complete ever brought together in this coment 
but unfortunately was dispersed some few years ago on the death of its owner. 
This Variety is in the habit of its growth similar to the type, and is quite as 
floriferous as the species, its beautiful white flowers being produced in some = 
- several together from the base of the leaves, and are pure white saving the yellow 
