194 Dr Graham^ lAstofRare Plairts. 



Isopogon Baxteri. 



I. Bajcteri; foliis dilatato-cuneiformibus ; fruticis adulti trifidis, lobis in- 

 cisis, laciniis mucronatis ; juvenilis indivisis, apice dentato : capitulis 



aggregatis : receptaculo piano Br. 



Isopogon Baxteri, Br. Trodr. Flor. Nov. Holland. Supp. i. p. 9. 



Description, — Shrub erect (specimen described 2 feet high). Stem round. 

 Bark brown, densely covered with short soft pubescence, mixed with 

 longer hairs, on the branches red. Leaves hard, stifJ", with cutaneous 

 glands on both surfaces, having pubescence and hairs similar to those on 

 the stem, especially when young, subglabrous when old ; strongly marked 

 on both sides with elevated veins, which are generally trichotomously 

 branched, once or twice trifid, cuneate and once or twice twisted at the 

 base, edges placed vertically ; the segments terminated with long pungent 

 mucros ; the lower leaves undivided, rounded and toothed at the apex, 

 the teeth terminating in pungent mucros. Capttula crowded at the ter- 

 mination of the stem and branches. Scales of the involucre pubescent 

 and hairy, smaller inwards, acute, reflected, subdentate. Perianth soft, 

 rose-coloured, darkest at the tip, densely covered with spreading white 

 hairs ; tube very slender, segments of the limb reflexed. Anthers linear, 

 yellow. Pollen granules subrotundo-triangular, shining, orange-yellow. 

 Style as long as the perianth, fusiform at the apex, below this tumid and 

 densely covered with yellow, reflected, crystalline pubescence. Stigmatic 

 surface terminal. 



This is a handsome species, of which seeds were sent by Colonel Lindesay, 

 from New Holland, to the Botanic Garden, Edinburgh, in July 1830 ; it 

 was raised in 1831, and flowered in the greenhouse in March and April 

 1835. 



Liparis Walkerise. 



L. Walkerice; foliis 2-3, subrotundo-ovatis, acutis, petiolatis, plicatis, 

 basi obliquis, cucullatis, spica erecta multiflora brevioribus ; pedunculo 

 angulato ; labello subrotundo, reflexo, crenulato ; sepalis patentibus, 

 oblongis, marginibus revolutis, germine petalisque filiformibus sequan- 

 tibus. 



Description — Terrestrial. Pseudo-bulbs conical, ensheathed by about 

 three scales (the bases of abortive leaves) dark purple. Leaves 2-3, with 

 striated petioles, which are sheathing at the base, subrotundo-ovate, cu- 

 cuUate, acute, oblique at the base, plicate, about 11 -nerved, lurid-green 

 above, paler below. Stalk terminal, acutely angled. Spike many -flower- 

 ed, cylindrical, longer than the leaves. Rachis green, with many waved 

 acute angles or wings. Bractece ovato-deltoid, acute. Germen purple, 

 longer than the bractese. Sepals dark purple, oblong, oblique, revolute 

 in the edges, spreading at right angles to the germen (to which they are 

 equal), at first nearly equidistant, afterwards, when beginning to decay, 

 the two lower project downwards, parallel, and in contact below the lip, 

 the third upwards, behind the column. Petals equal to the sepals, slen- 

 der, filiform, spreading laterally, and afterwards reflexed. Lip subro- 

 tund, tuberculate on the upper side near the base, reflexed, dark purple 

 in the middle, yellow and crenulate at the edges. Column erect, slightly 

 curved forwards, about half as long as the sepals, purple below, colour- 

 less above, where there is a conical tooth projecting along each side of 

 the stigma. Anther-case hinged at the apex, with two rounded cells, con- 

 taining the sessile yellow hard pollen-masses. 



We received this plant at the Royal Botanic Garden, in June 1834, from 

 Mrs Colonel Walker, Ceylon. It has flowered twice since in the stove, 

 and though it must certainly yield in beauty to many cf the donations 

 which I have received from the same liberal and zealous cultivator of 

 botany, yet it is not without interest. It ought to stand in the arrange- 

 ment of the species between L. purpurascens and L. atropurpurea, and is 

 distinguished from the former by its spike, and from the latter by its 

 acutely angled, almost winged stem. 



