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13. Perfoonia nutans: leaves linear, fmooth; flower- 
ftalks axillary, recurved, fmooth as well as the corolla. 
Found by Mr. Brown near Port Jack Con, in woods on a 
1'andy foil, at the foot of the mountains. 
14. Perfoonia falcata: leaves lanceolate, elongated, 
tapering at the bafe, fomewhat ftalked, falcate, reverfed, 
coriaceous; anthera; pointed ; fern arboreous ; bark flaky. 
Gathered by fir Jofeph Banks, near Endeavour-river, on 
the eaft coaft: of New Holland ; and by Mr. Brown, at 
Carpentaria, on the north coaft, near the fea-fhore. 
15. Perfoonia lanceolata: leaves elliptic-lanceolate, 
pointed, fmooth and even ; ftalks axillary, fingle-flowered; 
corolla filky, with clofe-prefied hairs; ftalk of the germen 
without a joint. Native of fields and heaths towards the 
iea-coaft at Port Jackfon, from whence feeds were very 
early fent to this country. Plants are faid to have been 
firll raifed in 1791, by J. Wilfon, efq. at Iflington. The 
leaves are about two inches long. Flowers yellow, as in 
all the reft. Fruit globofe, the fize of a black currant. 
( 3 . P. latifolia (Andr. Repofi. r. 280) is propofed, not 
•without hefitation, by Mr. Brown, as a variety of this. 
It differs in having larger and obovate leaves, which in 
our native fpecimens, fent from Port Jackfon by Dr. 
White, appear fomewhat glaucous. The flowers exa£lly 
agree. 
16. Perfoonia falicina: leaves lanceolate-oblong, une¬ 
qual, reverfed ; ftalks axillary or racemofe ; corolla nearly 
fmooth; Item arboreous; bark flaky. Native of fields, 
hills, and woods, in the neighbourhood of Port Jackfon. 
The leaves are three inches long, their tides more or lefs 
■unequal, giving them a falcate afpedt. Flower-ftalks and 
young branches filky. Fruit elliptical; its nut with two 
kernels. 
17. Perfoonia ferruginea; leaves elliptical, acute, veiny; 
ftalks axillary, many-flowered, clothed, as well as the 
backs of the petals, with rufty filky hairs. Native of 
fields near Port Jackfon, from whence it was originally 
fent dried by Dr. White. The Item is flirubby, three 
or four feet high, with fmooth branches. Leaves for 
the mod part nearly oppofite, two or three inches long, 
and about one broad, fmooth, fhining. Flowers in 
fhort denfe axillary clulters, accompanied by fmall brac- 
tes, which, as well as the ftalks; and the backs as well as 
margins of the petals, are denfely clothed with fhining 
filky hairs of a deep rufty orange-colour. This flirub 
flowers in its native country in November. 
18. Perfoonia proftrata : leaves oval, obtufe, downy at 
the margin; ftalks axillary, with one or more flowers; 
item procumbent. Gathered by Mr. Brown in fruit, the 
flowers being all paft, near Sandy Cape, on the eaft coaft 
of New Holland, growing in fand near the fea-fhore. 
19. Perfoonia elliptica : leaves elliptical, veiny; clufters 
lateral; petals fmooth ; ftalk of the germen jointed. Ga¬ 
thered by Mr. Brown on the ftony fides of hills at Lewin’s 
Land, on the fouth coaft of New Holland. 
20. Perfoonia articulata: leaves lanceolate, elongated, 
equal, fmooth ; ftalks axillary, with one or more flowers ; 
corolla nearly fmooth ; lower joint of the ftalk of the ger¬ 
men as long as the glands. Gathered by Mr. Brown in 
Lewin’s Land, wdth the foregoing. 
21. Perfoonia longifoiia : leaves linear, elongated, fal¬ 
cate; ftalks axillary, with one or more flowers; corolla 
downy, with clofe-prefied hairs; lower joint of the ftalk 
of the germen longer than the glands. From the fame 
country. 
22. Perfoonia graminea : leaves of the branches linear, 
very long, revolute; clufters many-flowered, turned one 
•way; corolla fmooth; ftem fhort, fomewhat fhrubby. 
Found by Mr. Brown, about the Tandy margins of fund¬ 
ing pools in Lewin’s Land. 
PERSOY'AH, a fort of Hindooftan, in Bahar : fixty-fix 
miles foCfth-fouth-weft of Patna. 
PERSPECTIVE, J'. [perfpedive, Fr. perfpicio, Lat.] 
The art of reprefenting objefts on a definite furface, fo 
as to affsft the eye, when feen from a certain pofition, in 
the fame manner as the object itfelf would, when the eye 
is fixed in the point in view.—Medals iiave reprefented 
their buildings according the rules of perfpsblive. AddiJ'on 
on Medals. See the article Optics, vol.xvii. p. 663.—A 
glafs through which things are viewed.—They turn about 
the perfpettive, and fliow it fo little, that he can fcarce dif- 
cern it. Denham. —It may import us in this calm to 
hearken to the ftortns railing abroad; and by the bell per- 
Jpeclives to difcover from what coaft: they break. Temple. 
You hold the glafs, but turn the perfpettioe. 
And farther off the leffen’d objeft drive. Dryden, 
Faith for reafon’s glimmering light ftiall give 
Her immortal perfpettive. Prior. 
View; vifto : 
Lofty trees with facred fhades. 
And perfpectives of pleafant glades, 
Where nymphs of brightest form appear. Dryden. 
PERSPECTIVE, adj. Relating to the fcience of vifion ; 
optical.—We have perfpeflive houfes, where we make de- 
mor.flrations of all lights and radiations ; and, out of 
things uncoloured and tranfparent, we can reprefent unto 
you all feveral colours. Bacon. 
This vizard, wherewith thou would’ft hide thy fpirit, 
Is perfpedive, to Show it plainlier. 
Beaum. and FI. Hon. Man's Fortune. 
PERSPEC'TIVELY, adv. Optically; through a glafs; 
by reprefentation. Huloet. —My lord, you fee them per- 
fpcflively, the cities turned into a maid. Shakefpeare's 
Hen. V. 
PERSPICABLE, adj. [ perfpicabilis , Lat.] Difcernible. 
Not in ufe. —Albeit there be but nineteen pillars at this 
day extant, yet the fractures and bafes of other one-and- 
twenty more are perfpicable. Sir T. Herbert's Travels. — 
The fea rather liable, and to the eye without any perfpi¬ 
cable motion. Ibid. 
PERSPICA'CIOUS, ar(/. [perfpicax, Lat.] Quickfighted; 
fharp of fight.—It is as nice and tender in feeling, as it 
can be perfpicacious and quick in feeing. South. 
PERSPICA'CIOUSNESS, /. Quicknefs of fight. 
PERSPICA'CITY, J\ Quicknefs of fight.—He that 
laid the foundations of the earth cannot be excluded the 
fecrecy of the mountains; nor can there any thing efcape 
the perjpicacity of thofe eyes, which were before light, 
and in whofe optics there is no opacity. Brown. 
PERSPICACY, f. [perfpicacia , Lat.] Quicknefs of 
fight; difcernment.—Lady, do not fcorn us, though you 
have the gift of perjpicacy above other. B. Jonfon's Every 
Man out of his Humour. 
PERSPI'CIENCEj^/i [perfpiciens, Lat.] The acl of look¬ 
ing fharply. 
PER'SPICIL, f [ perfpicillum , Lat.] A glafs through 
which things are viewed; an optic glafs. Little ufed. — 
The perfpicil, as well as the needle, hath enlarged the ha¬ 
bitable world. Glauville's Scepjis. 
Let truth be 
Ne’er fo far diftant, yet chronology. 
Will have a perfpicil to find her out, 
And, through the night of error and dark doubt, 
Difcern the dawn of truth’s eternal ray. Crq/haw. 
PERSPICU'ITY, f [ perfpicuitf Fr. from perfpir.uous. ] 
Tranfparency ; tranflucency; diaphaneity.—As for dia¬ 
phaneity and perfpicuity, it enjoyeth that mod eminently, 
as having its earthy and falinous parts fo exadlly refol ved, 
that its body is left imporous. Brown. —Clearnefs to 
the mind; eafinefs to be underftood; freedom from 
obfcurity or ambiguity.—The verfes containing pre¬ 
cepts have not fo much need of ornament as of perfpicu¬ 
ity. Dryden. — Perfpicuity confifts in the ufing of proper 
terms for the thoughts which a man would have pafs from 
liisowu mind into that of another’s. Loche on Reading. ' 
PERSPIC'LOUS, adj. [pcrfpicuvs, Lat.] Tranfparent; 
clear; 
