TRIBE I.—MALAXIDEA, 
Pollinia usually 4, waxy, without appendages, free or rarely attached by their bases 
to a ball of translucent matter. 
Sepals and petals widely spreading, lip deflexed or decurved 
from the base, column not prolonged into a foot :— 
Lip superior, column very short:— 
Leaves equitant, fleshy boii 1. Oberonia. 
Leaves not equitant, асое ———— gr ООО. 
Lip inferior, column long qp co Eye aer 3. Liparis. 
Sepals and petals more or less connivent, lip erect from the 
base, column prolonged into a foot :— 
Lip not articulate on the foot . . . . . . . . . . . 4 Dendrobium. 
Lip articulate on the foot:— 
Lateral sepals not much exceeding the dorsal . . . . 5. Bulbophyllum. 
Lateral sepals much exceeding the dorsal o. + 6. Cirrhopetalum. 
1. Oberonia Lindl. 
Epiphytes with usually very short, often tufted, stems. Leaves coriaceous or fleshy, 
usually ensiform (rarely terete), always distichous and ensiform. Flowers minute, many, 
sometimes whorled, arranged in a long erect or deflexed spike-like or raceme-like 
inflorescence, but expanding centrifugally. Sepals subequal, ovate or oblong. Petals as 
wide as or narrower than the sepals. Zip larger than the sepals, sessile, rarely entire, 
usually lobed and often erose-lobular, the hypochile more or less concave or with a 
nectar-secreting pit near its base. Column very short, stout, rarely winged. Anther 
terminal, incumbent; pollinia 4, cohering in pairs.—Species about 60, distributed in the 
Indo-Malayan region, but extending also to China, Australia and the islands of 
the Pacific. 
Lip without lateral lobes or basal auricles m Gs 1. O. pachyrachis. 
Lip with lateral lobes :— 
Lip oblong, with small lateral lobes .. 2. 0. Falconer. 
Lip obcordate, with large broad lateral овен. у 2. О. ensiformis. 
1. OBERONIA PACHYRACHIS Reichb. f. in Herb. Kew ex Hook. f. Fl. Br. Ind. 
у., 681. 
Stems very short, tufted. Leaves ensiform, slightly faleate, acute, 3—10 em. long 
and 7—18 mm. broad. Peduncle of inflorescence short, broad, compressed, adnate to a leaf 
nearly to its apex; the flower-bearing rachis fleshy, terete, tapering, erect, equalling 
or slightly longer than its leaf; Дога] bract ovate-rotund, irregularly but deeply serrate. 
Flowers minute, pale brown, sunk singly in rather distant pits in the fleshy rachis, the 
sepals and lip lying flat on its surface. Sepals elliptic, obtuse, glandular on the back, not 
reflexed. Petals smaller, linear-oblong, obtuse, subentire. Гір orbicular-elliptie, obtuse, 
