DIP DIS 
DIS dOD 
Curious species, some of which are pretty flowering 
plants, especially D. pilusus. They grow well in 
any common soil, and are readily increased by seeds. 
D. fullonum is extensively cultivated in the west 
of England, the dried heads of which furnish the 
teasel used by fullers in dressing cloth, 
ferox .... Purple . 7> H. B. S. Eur. . . 1818 
fulldnum . . . Purple . 7» H. B. Britain . . 
Gmelini . . . .Blue . . 7> H. B. Caucasus . 1820 
inermis .... White . , H. B. Nepal . . 1823 
laciniatus . . . Purple . 7. H. B. Germany . 1683 
pilosus .... White . . 8, H. B. Britain . . 
tylvBstris. 
DiFriiRix, Schreber. From dis, double, and pterix, a 
wing ; the two upper lobes of the calyx appear like 
two wings. Linn. 17, Or. 4, Nat. Or. Leguminosm. 
An ornamental tree, attaining the height of sixty 
feet. It requires to be growm in a loamy soil, and 
ripened cuttings root in sand, under a glass, in a 
moist heat. The seeds of this tree are the Tongo, 
or Tonquin-beans, so well known as giving a plea- 
sant scent to snuff. Synonyme : 1. Baryosma Tongo. 
odorat4, 1 . . . Purple . S. Ev. T. Guiana . . 1793 
DrPTKROus, applied to anything which has two wings. 
Dirca, Linn. Derived from dirka, signifying a foun- 
tain ; in reference to the habitation of the plant. 
Linn. 8, Or. 1, Nat. Or. Thymelaceas. An orna- 
mental little shrub, found growing in the marshes 
of North America. It succeeds well in sandy 
loam, and is propagated by layers, or seeds. It is 
so tough that the twigs are used for baskets, &c. ; 
whence the English name. Leather Wood, 
palustris . . . Yellow . 3, H. De. S. Virginia . 1750 
DIsa, Linn. Meaning unknown. Linn. 20, Or. 1, 
Nat. Or. Orchidacete. A genus of interesting, tuber- 
ous-rooted plants, thriving well in an equal mix- 
ture of peat, loam, and sand, and increased by 
separating the roots. They require to be very 
carefully watered when not in a growing state, 
bracteala . . . Green . . 6, G. Ter. C. G. H. . . 1818 
chrysOstachyS . . Yellow . 6, G. Ter. C. G. H. . . 
comuta .... Pa, blue . 6, O. Ter. C. G. H. . . 1805 
draconis .... Wht. pur. 6, G. Ter. C. O. H. . . 1823 
ferruginea . . . Brown , 6, G. Ter. C. G. H. . . 1820 
flexuosa .... G. Ter. C. G. H. . . 1823 
graminifOlIS . . Blue . ■ . G. Ter. C. G. H. . . 1825 
grandiflora . . . Scarlet . 7, G. Ter. C. 0. H. . . 1825 
lacera . . . . AVbite . . 6, G. Ter. C. G. H. . .1826 
maculate . . . Blue . . 6, G. Ter. C. G. H. . 1816 
prasinat^ . . . Gm. red ’. 6, G. Ter. C. G. H. . . 1815 
spatulata ... Pa. blue . 6, G. Ter. C. G. H. . . 1805 
Disandra, Linn. Named from dys, difficult, and 
aner, an anther ; the number of the anthers varies. 
Linn. 7, Or. 1, Nat. Or. Scrophulariacecs. A pretty 
trailing plant, %vhich, when raised, its pendant 
branches, and little yellow flowers, have a very 
pretty appearance. It will grow well in any rich 
light soil, and is propagated by divisions, or cut- 
tings, with or without a glass, in a shady situation, 
prostrata . . . Yellow . 6, G. Ev. Tr. Madeira . 1771 
Dischidia, R. Brown. From dis, twice, and sckizo, 
to split; application unexplained. Linn. 5, Or. 2, 
Nat. Or. Asclepiadacece. Ornamental plants, grow- 
ing in any light sandy soil ; and cuttings will root 
very freely in the same kind of soil, without any 
glass. 
bengalensTs . . Wliite.. . 9, S. Ev. Tr. India . . 1819 
nummularis- . . White'. . 8, S. Ev. Tr. Amboyna . 
Discoid, any thing dilated into something which may 
be compared to a disk. 
Discus, or DISK, the fleshy annular process that sur- 
rounds the ovarium of many flowers ; also the sur- 
face of a leaf; also the centre of a head of flowers 
of Composites. 
Discutient, having the power to scatter the matter of 
tumours. 
Disemma, Lahillardikre. From dis, double, and stemma, 
a crown : the crown of the flower is double Linn. 
16, Or. 2, Nat. Or. Passifloraceee. A genus, com- 
prising two splendid and curious shrubs, requiring 
the same treatment, in culture and propagation, as 
Passiflora, Synonymes ; 1. Passiflora adiantifolia, 
Murucuia adiantifolia. 2. Passiflora Herbcrtiana, 
Murucuia Herbertiana. 
adiantifOM, 1 . . Orange . 7, S. Ev. Cl. Norfolk Is. . 1792 
Herbertiana, 2 • Gm. wht. . 7, S. Ev. Cl. N. Holl. . 1821 
Disermis, smooth, without thorns. 
[ 109 ] 
Disomorphous, two-shaped. 
DisperTs, Swartz. From dis, two, and pera, a pouch ; 
in allusion to the appearance of the two outer 
lateral segments of the perianth. Linn. 20 , Or. 1 , 
Nat. Or. Orchidacex. A tuberous-rooted genus, 
requiring the same treatment as Disa. 
capensis .... Scarlet . 7 , G. Ter. C. G. H. . .1816 
cucullata . . . Purple. . 6 , G. Ter. C. G. H. . . 1822 
secunda .... Purple . . 6 , 0. Ter. C. G. H. . . I 797 
Dispermus, two-seeded. 
DisPoRUM, Salisbury. From dis, twice, and poros, a 
pore. Linn. 6, Or. 1 , Nat. Or. Melanthacex. Pretty 
species, which may be successfully grown in two- 
thirds peat, and one-third loam ; the 5 ’- will succeed 
in a warm border, if carefully protected from severe 
frosts : they may be increased by dividing the roots, 
or by seeds. Synonyme: 1. Vvularia chinensis. 
fulvum, 1 . . . Brown . 10, G. Her. P. China . . 1801 
parviflorum . . Yellow . 7, G. Her. P. Nepal . . 1820 
Dissecta, laciniated, deeply cut into very fine seg- 
ments. 
DissEPiMENTs,the partitions by which a seed-vessel 
is divided internally. 
Dissodon, Greville. From dis, twice, and odous, a 
tooth. Linn. 24, Or. 5, Nat. Or. Musci. A genus 
of little, dark, and pale green plants, inhabiting, 
during summer, mountains and alpine bogs. Syno- 
nymes ; 1. Splachnum Froelichianum, S. reticulaium. 
2. fVeissia splachnoides — Froelichianum 1, splach- 
noides 2 . 
Dissolena, iMureiro. From dis, double, and solen, a 
tube ; in allusion to the double tube of the corolla. 
Linn. 5, Or. 1 , Nat. Or. Apocynacex. A pretty spe- 
cies, growing in a rich light soil ; and cuttings, 
planted in sand, under a glass, in heat, will soon 
root. Synonyme : 1 . Cerbera chinensis. 
verticillaU ... G. Ev. S. China . . 1812 
DisTACHfoN, two-spiked. 
Distentus, distended, inflated. 
Distichous, two-rowed ; producing leaves or flowers 
in two opposite rows. 
DmoLA, Fries. From dittos, double, and ioulous, down ; 
in refe-rence to the downy nature of the pubescence. 
Linn. 24, Or. 9, Nat. Or. Fungi. A species of 
Fungi, which ^rows upon dry wood, from the 
autumn till spring. It is one of the species of dry 
rot, and very injurious to the timber on which the 
plants vegetate — radicutd. 
Ditrichotomous, divided into twos or threes ; a stem 
continually divided into double or treble ramifica- 
tions. 
Dittany of Crete, see Origanum Dictdmntis. 
Diuretic, having the power of promoting the flow of 
urine, 
Diuris, R. Brown. From dis, double, and oura, a 
tail ; alluding to the lateral lobes of the labellum. 
Linn. 20 , Or. 1 , Nat Or. Orchidaceae. The species 
of this genus succeed well with the same treatment 
as Disa. 
alba tVhite . . 6 , G. Ter. N. Holl. . . 
aurea Yellow . G. Ter. N. S. W. . 1810 
elongata .... Pink . . 5, G. Ter. N. Holl. . .1822 
longlfoliS . . . Pink . . 7. G. Ter. N. HolL . . 1824 
maculata . . . Yel. spot . 4, G. Ter. N. S. W. . 1823 
pedunculata . . Yellow . 5, G. Ter. N. HolL . .1826 
sulphured . . . Fa. yeL . 6 , G.' Ter. N. Holl. . . 1823 
Diurnum, daily. 
Divaricate, growing in a straggling manner. 
Divergent,! growing far asunder ; applied to 
Diverging, J branches and leaves. 
Dock, see Riimex. 
Dodartia, Linn. In honour of F. Dodart, M.D., a 
French botanist. Linn. 14, Or. 2 , Nat. Or. Scro- 
phulariacem. A species of little beauty, thriving in 
any light rich soil, and increased from seeds, or 
divisions. 
orientals . . . Purple . 7i H. Her. P. Levant . .1752 
Dodder, see Cuscutd* 
Dodecandrous, having twelve stamens. 
Dodkcatheon, Linn. From dodeka, twelve, and 
theos, a divinity ; twelve gods, or divinities of the 
Romans ; a name absurdly applied to a plant, 
native of a world the Romans did not know, and 
resembling in no particular any plant of their 
writers. Linn. 5, Or. 1, Nat. Or. Primulaceee. 
Very ornamental plants when in flower, and well 
