78 
2531- CRYPTOGAMIA, MUSCI. BRYACEA. 
DIDY'AIODON PURPu'REUS. II Stem, & inch || 1 , plant } the natural size. 2,leaf;3, 
PURTLE DIDYMODON. || Seta, 1 inch || fringe; 4, lid; 5, hood ; magnified. 
Didymodon, from the Greek didymos, twin ; and odous, a tooth ; in allusion 
to the fringe being in pairs, as shown in the annexed figure. Didymodon pur- 
pureus is a common moss on moist banks, and in perfection in spring. 
2532. MON A DELPHI A, PENTANDRIA. CERANIACE*. 
ERO'DIUM MOSCHATUM.| Plant, 2 feet || Annual, mountainous pastures in Bri- 
MUSKY heron’s-bill. II pfower, VJ inch II tain, flowers May to Sep., rose-colour. 
Erodium, from erodios, a heron ; the seed vessel resembling the head and 
beak of that bird. This plant may be met with about hedge banks, in many 
parts of Britain. Its pinnate leaves emit a pleasant musky fragrance. 
2533. CRYPTOGAMIA, MUSCI. BRYACE&, 
GRIM'MIA PULVINA'TA. || Stem, vs inch II 1 , plant, natural size. 2 , leaf ; 3, cap- 
GREY-CUSHIONED grimmia. II Seta, Vg inch |i S ule ; 4, lid ; 5, hood ; all magnified . 
Named in honour of J. F. C. Grimm, a German botanist. The Grimmias are 
generally very minute plants, forming tufts, or coverings to rocks. The present 
one is common in spring, on walls and stones. Known by its bristle-pointed leaves. 
2534. CRYPTOGAMIA, MUSCI. BRYACE*. 
GYMNOS'TOMUMmicros'tomum| Stem, Vit inch | 1 , plant, the natural size. 2 , plant; 3, 
SMALL-MOUTHED BEARDLESS MOSS.| Seta, y s inch || leaf; 4, capsule; 5, lid; 6 , hood; mag. 
Named from cymnos, naked ; and stoma, mouth ; alluding to the fringeless 
orifice of the capsule. A minute moss, the whole plant a quarter of an inch 
high. Frequent on banks and pastures, fruiting in spring. 
2535. MONANDRIA, MONOGYNIA. ZINGIBER ACE £. 
HEDY'CHIUM MAX IMUM UPlant, 8 feet II stove herbaceous perennial, India, 
Leaf. 1 foot . ’ 
LARGE WHITE HEDYCHIUM. || Flower, 3 i QC h II in 1820, flowers in August, white. 
Named from hedys, sweet ; cmoN,snow ; alluding to the perfume of its snow- 
white flowers. This very fine species of Hedychium should have a place in every 
respectable collection of stove plants. bot. reg. 1022 . 
2536. DECANDRIA, MONOGYNIA. FABACE*. 
MIRBE'LIA DILATA' 1 A. || Plant, 3 Ill'll Greenhouse under-shrub , X. Holland. 
WEDGE-LEAVED MIRBELIA. || Flower, V-juii h II 1803, flowers in July, bright purple. 
Named in compliment to C. F. B. Mirbel, a French physiologist. One 
amongst the handsomest of the New Holland leguminous shrubs. Its abundance 
of flowers, interspersed with its prickly foliage, are very showy. bot. reg. 1041 . 
2537. CRYPTOGAMIA, F1LICES. FOLYFODIACEA. 
NOTHOCHL/E NA S1NUATA. || | Stoveherb. evergreen, sentfrom Peru, 
SINUATED nothochlalna. || width,’ %mch B in 1831, sori brown, in the Summer. 
Nothochlana, see No. 1926. The fronds of this fern, white on their under 
surface, and radiating as they do from their centre of growth, have a pleasing 
appearance. Pot in rough sandy peat, mixed with charcoal. sp.of kaulfuss. 
2538. CRYPTOGAMIA, MUSCI. BRYACE®. 
P^^YTRICHUM COMMUNE, || stem, 4 inch || 1 plant, ^ ; 5, hood,}; 3, capsule; 4. 
common polytrichum. |j Seta, 2} inch || lid, size of nature ; 2, leaf, magnified. 
Polytrichum, see No. 2520. Pretty, erect plants, generally distinguishable by 
a membrane closing the mouth of the capsule. This species is very common on 
moist banks and rocks j in fruit in February and March. 
