REXANTHERA. 693 



about 5 inches long ; the flowers are produced from the axils of the leaves, on 

 long branching panicles ; they each measure 2 inches in diameter, and have the 

 dorsal sepal and petals narrow linear ligulate obtuse, deep red mottled with pale 

 orange, and the lateral sepals broad oblong spathulate, crispy, and deep scarlet ; 

 the lip is small, the ligulate front and the quadrate side lobes being deep 

 crimson, and the throat white. This plant requires to be so placed as to be 

 freely exposed to sun-light, which is the only sure way of inducing it to bloom ; 

 it is indeed a shy bloomer, which doubtless accounts for its not being so 

 generally cultivated as one might expect. By letting it grow up the roof, 

 where it gets plenty of light and sun, it will, however, most likely flower when 

 sufficiently strong for that purpose. We have seen it do well on a largo block 

 suspended from the roof,'and thus grown we have known it to produce as many 

 as five spikes at one time. When well bloomed it is quite worth all the care 

 that is bestowed upon it, for it is really a superb plant. During the summer it 

 should be treated to a liberal supply of heat and moisture, as from March to 

 October is the time it is in vigorous growth. While resting in winter, let it 

 have but little water — just enough to keep it from shrivelling. The most 

 suitable material to pot it in is sphagnum moss, which, as before remarked, 

 should be kept moist during the growing season. We have several times seen 

 it blooming very freely in the large Palm House of His Grace the Duke of 

 Devonshire, at Chatsworth, and have been informed by the late Mr. Speed, 

 when gardener there, that it has a predilection for fixing its roots on birch 

 poles. It blooms during the autumn. — Cochin China. 



Fig.— Bot. Mag., tt. 2997-8 ; Bot. Reg., t. 1131 ; Warjier, Sol. Orch. PI., ii. t. it ; 

 -Paart«»i,JI/ai7.5fff.,iv. p. 49.withtab. ; Puydt,Zes Orch.,t. 226, f. 229; Sook. Fir.it Cent. 

 Orch. PI., t. 90 ; Veitoh's Man. Orch. PI., vii. p. 83. 



R. FLOS AERIS.— See Arachnanthe mosohifeba. 



R. IMSCHOOTIANA, Holfe. — We have not seen this new species, but it is 

 described by Mr. Eolfe in the Kew Bulletin as being handsome, and allied to 

 R. coccinea and R. Storiei, but having flowers simply racemose, and with 

 various structural differences. The flowers are chiefly of a reddish-vermilion 

 shade. It was sent to Kew by M. Van Imschoot, of Ghent, Belgium, in 1891 _ 

 —Cochin China. 



R. LOWII, Bfctib. f. — This most remarkable and rare Orchid grows on' 

 high trees in the humid forests of Borneo. It is distinct in growth 

 from any other species, and is readily known by its climbing stem an inch 

 thick, which emits stout fleshy roots from the lower part, by its numerous 

 obliquely obtuse strap-shaped leathery dark green leaves 2 to 3 feet long, and its 

 remarkably long drooping slightly hairy flower spikes, which attain from 

 6 to 12 feet in length, and each bear from forty to fifty flowers. The most . 

 remarkable feature of the plant is the production of dimorphous flowers, that is,, 

 of two dissimilar forms of flower on the same spike. The two blossoms at the. 

 base of the spike, which are separated widely from the rest, are of a tawny- 

 yellow, spotted with crimson, and have the sepals and petals lanceolate recurved' 

 and bluntish. The rest of the numerous flowers, which are 3 inches across, have 

 lanceolate acute recurved wavy sepals and petals of a greenish-yellow, marked 

 throughout by large irregular blotches, mostly transverse, of a rich dark-brown. 

 It blooms dm-ing July, August, and September, continuing fresh for several 



