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NEW AND RARE PLANTS. 
COMPOSITE. 
Cosmus scabiosoides. Scabious-like Cosmus. A beautiful and interesting 
species of Cosmus, found originally by Humboldt and Bonpland on the mountains 
of Mechoacan. The seeds from which the present plant was obtained were 
imported from Mexico by George F. Dickson, Esq., and by him presented to the 
Horticultural Society of London, in whose garden it produced its beautiful rich 
purple flowers in October. Bot. Reg. 15. 
THE FIGWORT TRIBE (Scrophulariacece). 
Pentstemon crassifolius. Thick-leaved Pentstemon. A very handsome 
hardy shrubby species, growing about a foot high, with coriaceous, entire, obovate 
leaves, and producing its pretty bluish flowers on short hairy racemes. It is a 
native of the north-west coast of North America, and was raised from seeds sent 
by the late Mr. Douglas to the London Horticultural Society, in whose garden it 
flowered in June last. Bot. Reg. 16. 
CLASS II. — PLANTS WITH ONE COTYLEDON (MONOCOTYLEDONEiE). 
THE ORCHIS TRIBE (Orchidacece). 
Govenia liliacea. Lily-flowered Govenia. A small tuberous plant, with 
the habits of a Bletia. Its flower-stem is scarcely more than a foot high, and 
rises directly from the tuber to about the length of the plaited leaves. The flowers 
are produced in July ; they are not a good or pure white, but are delicately 
streaked upon the petals with lines of rather pale purple. It is a native of 
Mexico, whence it was introduced by George Barker, Esq., of Birmingham ; and is 
extremely rare, not being in any other collection. Bot. Reg. 13. 
Epidendrum tesselattjm. Chequer-flowered Epidendrum. This pretty 
species was discovered by Mr. Skinner in Guatemala, and by that gentleman sent 
to Knypersley in 1836, from whence the drawing was communicated. The 
pseudo-bulbs are ovate, compressed from the tops, on which long linear lanceolate 
leaves are produced ; the flower-stem rises from the crown of the bulb, and pro- 
duces flowers with the petals and sepals greenish yellow outside, and brown 
inside ; the lip is beautifully veined its whole length with numerous purple 
streaks. It flowers in June and July. Bot. Mag. 3638. 
Dendrobium aggregatum. Close-flowered Dendrobium. This beautiful 
species of Dendrobium was received at the Botanic Garden, Edinburgh, from 
"Wentworth, and flowered in the beginning of May, 1837. The ovate pseudo- 
bulbs are about two inches long, with solitary, oblong, coriaceous leaves, twice as 
long as the bulb ; the raceme is about six inches long, protruded laterally from the 
upper joint; the flowers are very numerous, springing from the axil of a small, 
acute bractea ; they are of a beautiful orange colour, darkest towards the base of 
the lip. The plant is a native of the East Indies. Bot. Mag. 3643. 
