90 
2627. MONANDRIA, MONOGYNIA. SCIT AMINACEiE. 
COS'TUS PISO'NIS. II i!eaf * 9 inch 1 ^t° ve evergreen, herb. peren., Brazil, 
American COSTUS. II Flower, l^incb II in 1823, flowers in Spring, rose-colour. 
Costus is believed to have been derived from the Arabic name of one of the 
species of this genus. A handsome plant, of bold growth, first cultivated in this 
country by the London Horticultural Society. bot* reg. 899. 
2628. SYNGENESIA, FRUSTRANEA. ASTERACEJE. 
ENCE'LIA CANES'CENS. Jl g f eet h II Greenhouse under shrub, sent from 
hoary encelia. II Ftower, lft inch II Peru, in 1786, flowers in July, yellow. 
So named from egchelion, a little eel ; referring to the shape of the seed. A 
showy under-shrub, nearly related to Coreopsis. It was re introduced to this 
country by the late Mr. Barclay, of Bury Hill. bot. reg. 909. 
2629. DIDYNAMIA, G YMNOSPERMIA. GESNERACEjE. 
EPI'SCIA B I ; CO LOR. II Plant, 3 inch II stove herb, perennial, New Grenada, 
TWO-COLOURED episcia. j| Holier, l inch II 1846, flowers in May, white ic purple. 
Episcia is a word compounded from the Greek epi, upon ; and skia, a shadow ; 
from the plants so named delighting in shady places. A small procumbent plant, 
not showy, but continuing long in flower. bot. mag. 4890. 
2630. PENTANDRIA, MONOGYNIA. BO R AGIN ACE Al. 
LITHOSPER'MUMcanes'censIi j’i :l t > 9 feel | Hardy herbaceous perennial, N. Arne- 
HOARY CROMWELL, || pfow’er, Inch II rica, in 1826, flowers in May, yellow. 
The name is derived from the Greek litiios, stone ; sperma, seed ; indicative 
of the hardness of the seeds. This is a showy plant, and being a native of 
Canada, is well adapted to the open borders. bot. mao. 4389. 
2631. MONADELPHIA, DECANDRIA. BELVISIACE*. 
NAPOLEO'NA imperia'lis. || Want, S fe« | Stove shrub, Western Africa, in 1843, 
imperial NAPOLEONWORT. || pfower, 2 Inch I! flowers in May, apricot-col. and crim. 
Named in honour of the Emperor Napoleon. This, one amongst the most 
remarkable of plants, was brought home by Mr. Whitfield, and purchased by the 
late Duke of Northumberland. Its flower puzzles even botanists, bot mac. 4387. 
2632. CRYPTOCAMIA, MUSCI. BRVACEA. 
POLY'TRICHLM URNI'GERUMI Stem , ] inch || 1, plant, | the size of nature. 2, leaf; 
urn-headed hair-moss. || Seta, l£ inch j| 3, capsule ; 4, lid ; 5, hood ; magnified. 
Polytrichum, see No. 2520. Common enough in mountainous districts, and 
sometimes met with even in low situations, on sandy banks and soft sandstone 
rocks; fructifying in autumn Resembles alpinum, but has short, broader leaves. 
2633. GYNANDRIA, MONANDRIA. ORCHIDACEA. 
RODRIGUE ZIA SECUN^DA j| Want, 8 * nc jj II Stove herbaceous perennial, Trinidad, 
side-flowered RODRIGUEZIA. • || ! 'Inver, l loch II in 1818, flowers in Oct , rose-colour. 
Named after Emanuel Rodriguez, a Spanish botanist. A small but handsome 
and rather elegant orchis, producing an upright, sometimes nodding, spike of pink 
flowers. Notwithstanding its erect growth, it is of parasitic habit, bot.reg.9so. 
2634. GYNANDRIA, DIANDRIA. STYLIDIACE*. 
STYLID’IUM ADNA i UM. || Plant, 6 inch j Greenhouse annual, New Holland, 
dwarf STYLEWORT. II Fi'ower, 4 Inch il 1824, flowers in July & August, pink. 
Slylidium is derived from stylos, a column ; in allusion to the union of the 
style and stamens into one column. A pretty and exceedingly curious flower, 
the column alluded to possessing a remarkable irritability. bot. red. 914. 
