GLEANINGS AND ORIGINAL MEMORANDA. 



Dendrobium Rimanni. II. G. Reichenbach, f. A distinct species from the Malay 

 Archipelago, discovered by M. Eimanrr, one of Mr. Sander's collectors. It is thus described 

 by Professor Reichenbach : — ■ 



A stately Dendrobe of the section Stachyobia antennata, which have the petals antenna-like, longer than the 

 sepals. It is nearest Dendrobium Mirbelianum (Gaud.), Lindl. Stems cylindric to fusiform, furrowed on the 

 superior half with a few broad oblong very coriaceous leaves, like those of Oattleya Forbesii. Raceme a little zigzag, 

 with short acuminate bracts. Flowers equal in size to those of D. speciosum. Lateral sepals nearly falcate and bent 

 downwards, like the teeth of a Dinotherium. Sepals yellow inside, striped with purple outside. Petals yellow. Lip 

 white, with purple reticulations. Leaves oval, three and a half inches by two and a half. — Gardener's Chronicle, N.S., 

 vol. xviii., p. 680. 



Huernia oculata. Most of the species of these with which we are acquainted 

 in their appearance much resemble the Stapelias, to which they are nearly allied. Looking 

 at the full lace of the flowers of the plant under, notice, one is forcibly reminded of those of 

 the florists' Alpine section of Auriculas ; the outer limb of the flower with its deep purple 

 belt is so distinctly defined from the white colour of the tube. It is a native of Dammara 

 Land. 



Densely tufted, branching from the base, pale green, soft ; branches three to four inches high by one-half to three-' 

 quarters of an inch broad, five-angled, quite smooth, sinus deep between the angles, acute at the base ; angles 

 compressed, produced into soft spine-like teeth one-third to half an inch long, that are broad at the base and straight 

 or curved. Flowers in small lateral few-flowered cymes ; pedicels short, glabrous. Calyx segments one-third of an inch 

 long, subulate. Corolla nearly one inch in diameter, tube almost hemispherical, rounded at the base ; limb short, 

 spreading, five-toothed, the teeth short triangular acute remote, with a minute intermediate tooth ; the tube is white 

 inside, the limb deep violet-purple, sharply defined in a circle against the white of the tube. Column short ; outer 

 corona adnate to the base of the column, spreading horizontally from it, five-lobed ; lobes fleshy, rounded, quite entire, 

 concave on the surface, inner corona of five large subulate fleshy papillose teeth inserted one at the back of each 

 anther, inflated over the stigma and meeting at their points. Anthers truncate ; pollen masses pyriform, caudicle 

 short : gland with two subulate auricles. Stigma discoid, five-angled. — Botanical Magazine, 6658. 



Nymph^a elegans. Hooker. A charming greenhouse aquatic, with very pale violet 

 sweet-scented flowers. Native of New Mexico. Introduced at Kew. 



This has been discovered in New Mexico by Dr. Wright. Its nearest affinity, perhaps, is N. ampla, Botanical 

 Magazine, t. 4469. Our plants flowered in the early summer in the tank of the tropical aquarium. The blossoms are 

 not only elegant in form and colour, but fragrant also. It will be difficult to say to which of the divisions of De Can- 

 dolle this will belong. It is very different from any of the section " Cyaneae," though its purplish-blue tint would 

 indicate an affinity with that group. One of the most remarkable circumstances in the flower of this plant consists in the 

 arrangement of the stamens in (apparently) as many phalanges as there are lobes to the stigma. I had not the oppor- 

 tunity of observing if, at a late period of inflorescence, they separated. Leaves floating, about six inches long, and four 

 and a half or five broad, thus nearly orbicular, plane, the margin sinuated and subdentate ; the upper surface dark green, 



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