34 RECORDS OF OBSERVATIONS ON SIR WILLIAM MACGREGOR 'S 
Dendrobium psychrophilum. 
Very dwarf, tufty, glabrous; pseudobulbs consisting of a single piece, mostly 
truncate-ovate, much wrinkled ; leaves solitary, very small, linear-lanceclar, somewhat 
channelled, its very short petiole enclosed in a cylindric membrane ; peduncles singly 
from the base of pseudobulbs, thinly filiform, at the base bearing a cylindric 
membraneous bract and also at the middle; floral bract membraneous, almost 
lanceolar; calyx-tube slender and as well as the pedicel during anthesis quite short ; 
calyx-lobes membraneous, broadly lanceolar, somewhat acuminated, the upper — 
rather shorter, the two lower slightly protruding at the base anteriorly, lateral 
petals hardly of more than one third the length of the calyx-lobes, pellucidly 
membraneous, ovate-lanceolar, at the base blunt; labellar petal almost equalling the 
calyx-lobes in length, to near the summit tender-membraneous and ovate, but 
longitudinally concurved, ending in a short somewhat carnulent narrowly elliptic- 
lanceolar smooth lobe; gynostemium very short, quite adnate; anther upwards 
oradually narrowed. 
Near the summits of the Owen Stanley’s Ranges, imbedded in moss. 
Fibrills copious, thinly filiform, tortuous. Pseudobulbs one-third to two-thirds 
of an inch long. Leaves (an only one seen) about three-quarters of an inch long. 
Peduncles one and a half to two and a half inches long, probably always one-flowered. 
Floral bract nearly a quarter of an inch long. Length of calyx-lobes about half an 
inch, likely as well as the petals white. Some allowance must be made for any 
shortcomings in the description of the floral structure, as its elaboration is based on 
two almost shrivelled flowers; hence the pollinia had dropped, so that the generic 
position needs even yet to be confirmed, the basa! protuberance being also unusually 
small. The plant might almost as well be placed in Bulbophyllum, on the supposition 
of nothing contrary as regards pollinia. Some species of the epiphytal genera 
Dendrobium and Bulbophyllum are likely also ascending to subalpine elevations in 
the Himalayas, as some few congeners reach to far southern latitudes in New 
Zealand. This Dendrobium would likely find an apt systematic position near D. 
reptans. 
Sisyrinchium pulchellum; R. Brown, prodromus flore Nove Hollandiz 305 (1810). 
Crest of the Owen Stanley’s Ranges. 
The specimens obtained are in incipient state of fruiting; so far they precisely 
agree with our southern plant. Here it is often consociated with Oxalis Magellanica, 
which therefore may also perhaps exist in the Highlands of New Guinea. 
