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PONTEDERIA. Lin. Gen. Plant.' 391. Michdia. 

 Hoult ^iSS. 



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'Characters are. 



Tbe /lowers arc indudtd in an oblong fucath^ which opens 

 cncnsfule^ and hath fa petals^ "u^hich are divided \ the 



thee upper are ereB^ and form a kind of lip \ the three 

 under are rcf.exed. It hath fix fiariiyia ^ivhich are in- 

 fer ted to the petals ; the three 'which are lon^tfl^ are f aft- 



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e;:cd to the mouth of the tube, the other ^-rc inferted 

 the bafe \ they are terminated by prcfirate fummits. Under 

 the petals isjltuated an oblong gerynen^ fupporting a fiyjgle 

 fyle z:jhich declines, and is croivncd by a fiv.gle fiigma. The 

 gcrmen afterward turns to a foft fruit di-vided into fix celh^ 

 each containing feverd fmall roiindijh feeds, - 

 .This genus of plants is ranged in the firfl fcftion of 

 Linna^us's fixrh clafs, which includes the plants whofe 

 fiovvers have fix ilaaiin;^ and one ftylc. 



The Species are, 

 PoNTEDERiA {Cordata) follis cordatis, floribus fpi- 

 catis. PoHtederia with heartfoaped leaves and fpiked 

 flowers. Sagitt^e finulis planta paluftris Virginiana, 

 fpica Rorun-i csruica. Mor. Hift. 3. p. 618. Virgi- 

 nian ma'fh plant, like Arrow-head^ having a fpike of 

 blue flowers. 

 2. I'oN'TKDiiRiA (Haflatn) foliis haftatis, floribus um- 

 bcUatis. Lin. Sp. Plant. 412. Pontederia with fpear- 

 ^ointed leaves^ and flowers growing in umbels, Sagitta- 

 ria^ quodammodo firnilis planta Maderafpatana, flo- 

 ribus medio caule quafi ex utriculo prodeuntibus. 

 .Pluk, Fhyc, tab. 220. A plant from Madras, fomevohat 

 like Arrow-head^ with flowers proceeding from the middle 



^of the flack,- ■ . . _.: . .- . ' 



llie firft fort grows naturally in marfliy places in Vir- 



and mofl: parts of North Americav and the 



late Dr. Houfroun found it growing plentifully at La 

 Vera Cruz. , This hath a perennial root, from which 

 arifc; two or three herbaceous thick ftalks a foot high, 

 .each having one heart-fliaped leaf about five inches 

 long, and'two and a half broad, of a pretty thick 

 ;^cohliilence./*^The bafe is deeply indented, and the. 

 ■z twp cars are rounded •, tl\e foot-ftalk of the leaf cloje- 

 ijjkdy embraces the ftalk iilf e a fpatha or fheath, for near 

 ;- three inches in length ; above this is another fheath 

 ; -which inclofes the fpike of flowers; this opens on 

 ';-■ one fide, and the ftalk rifes near 'two inches above it,' 



ginia 



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'% Black Poplar 



tVt^'Vfer'e the VpW^t of flowers begin'p:\Xhe fpikes are 

 ^vr about three inches long ^'the flowers are blue, fit very 



ciofe together, and have the appearance of lip flowers. 



1 hefe appear in June, but are not fucceeded by feeds 



* -'-''1 



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in England. ■_,.- . ; .j . - .-. : , - ■ ^-v- 



..,.?.As this plant grows' naturally in moift boggy places, 



■';.-^- It. is very difllcult to be preferved in England ; nor 



*^ does the plant arile from feeds here, for 1 have fow- 



• "^^ed the f:^cd3 in various fituations,, and manao;ed them, 



^^ different, but could never get up any. of the plants ; 



'.<\ifcvit I i^-?-^ three or four of the plants fcnt me, inclofed 

 'P^in large clods of earth from New England, which 1 





planted in potsr^vering them with Mofs, and con- 

 ^^j.ftantly fupplied thenV with "water* . ;With this'ma-' 

 ^;,nagc'nicn? iwd'.cf them flowered, but the following 

 ^-j^v/inter'deftroyed them,: as they were no^ put unde^;^ 



.V Ihelter i fo that to preferve them, 'they fl:iould be^ 

 "C Jl'^^^t^ under a hot-bed frame in winter, where they 

 ' v~--* may be expofed to' the open air at all dmes when the 

 - - ■ = vvcatner is mild. --^'--j^. ■ ■ ^> . .t^T'Q-. 



* 



^r^giie Tccbnd' fort^g^^^^ about Madras in 



f' watery places,/ 5 This rifes _with a fingle llalk eight or 



'^ nine incjics^high, having one arrow-pointed leaf, whofe 



• * bafe embraces the fcalk like a meath, and from the 



^^ open fide otcnc iheatn comes out the flowers, which 



*". are at firfl: inclofed in another fmaller"'fhcath ; thefe 



grow in a fmall kind of umbel 



^ — — _-' -■ , 



—w--. . P- 



they are compofed of 



Tix acute-pointed petals which fpread 6peri.;:jEach 

 . flower Tjiands upon a flender foot-ltalk about an inch 

 long ; the foot fl;alk of the leaf rifes a confidcrable 

 height above the flowers, . fo that they appear 50 pom*e 

 out fiom the middle of the {talk. v.'. ,::.c}:,:'^r^Li . 

 'i'his fort IS mucnrnore difncult to preferve in Eng- 

 land, bccaufelt grom naturally in a hotco'uhtTy, and 

 always in places ilowed with water, ; There was for-' 



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flierly one of thefe plants "brought over to Charles 

 Duboilc, Efqi at Miccham, but it was not ionaJup 1 

 here. 



P O P U L A G O. See Caltha. 



tab. 



POPULUS. Tourn. Inil. R. H. 592. tab. 06,- 

 Lin. Gen. Plant. 996. The Poplar-tree; in French 



Peuplicr, ' 



The Characters are. 



_ The male and female flowers grow upon feparate trees 

 The male flowers or katkins have c72e oblongs kofe, cylin^ 



. drical empalement^ which is imbricated. Under each fcale 

 which is oblong, plain, and cut on the border, is fituat- 

 ed a fingle flower without any petal, having a neElarium 

 ■ of cne leaf, turbinated at the bottom, and tubukus at the 

 top, and eight flamina terminated by large four-cornered 

 fummits. The female flowers are in' katkins like themale^ 

 hut have no flamina ; they have an oval acute-pointed 

 germen, with fear ce any fly le, crowned by a four-pointed 

 ftigma. The germen afterward becomes an oval capfule 

 with two cells^ including inany oval feeds having hairy 

 down, ' . ' 



> This genus^ of plants is ranged in the feventh feftion 

 of Linnasus's twenty-fecond clafs, which contains "thofe 

 plants whofe male flowers have eight fl:amina, and * 

 giov/ upon diftinft plants from the fruit. 

 The Species are, ' 



1. PopuLus {Alba) Joins fubrotundis dentato-angulatis 

 fubtus tomentofis. Hort. Cliff. 460. Poplar-tree with 

 roundiflo angular leaves^ which are downy on their under 



fide, Populus alba majoribus folii. C. B. P. 429. 

 IVhite Poplar with larger leaves^ commonly called the 

 '- Abele-iree. - ■ v -. ; . - 



2. Populus (TV^;;;;^^?) foliis fubrotundis, dentato-angu- 

 -/, latis utrinque glabris. Hort. Cliff. 460. Poplar-tree 



'i'-'-nvith roundifh leaves^ which are angularly indented, and 

 w fmooth on both fides. Populus tremula. C. B. P. 4'29. 

 Populus {Nigra) folii? deltoidibus acuminatis ferra- 



fV 



3 



tis. Hort. Cliff. 460. Poplar with pointed flawed leaves^ 

 fljaped likV the Delta. ^^ Populus nigra. C. B. P. '420. 



4. Populus {Major) foliis angulatis ferratis, fubtus to- 

 . mentofis fuperne yirentibus. Poplar with larger angu- 



'far Jawed leaves, downy on their under fide^ and dark 



green' on their upper. Populus"'^ alba majoribus foliis. 



C. B. P. "429. Greats white Poplar, or Ahele-treef] 

 Populus {Balfaniifera) foliis fubcofdatis oblongis cre- 

 :. ,rj.atis. Hort. Cliff. 460. Poplar-tree with oblong leaves 

 ''^-'which are crenated^ and alrnoft heart-fhaped: Populus 



nigra folio'maximo, gemmis balfamum odoratiffimum 

 ■ fundentibus, Catefb. Carolin. i. p. 34. The Carolina 



'\ 



5 



V .' * -■ 



- -- V 



'.^ 'Poplar-tree. 



6. PopuLus (2l3f^;;;^^^f^^) foliis fubcordatis, infernein- 

 '- can is, fuperne atroviridis. Poplar with leaves which . 

 are qhnofi heart-fhaped, hoary on their under fide, 'and of 

 -i a dark p;r€en above. Populo fimilis arbor refinofa altera. 



':^. C. B. P. 430. Another r efincus tree like the P^lar^ com- 

 ""' [tnonly called Tdcamahdcca^ ^ .^' o - -i-v'nr'^' /t * ■ 



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The firft fort grows naturally in the temperate parts 

 of Europe; this and the fourth fort "are frequently 

 confounded together, but they are certainly different 



The fourth fort is commonly called Abele- 

 tree here, and the firft white Poplar." The leaves of 

 the fourth fort are large, and divided into three, four, 

 or five lores', which are indented" on their edges ; they 

 are of a very dark colour on their upper fide, and 

 very white ahd"downy on their unffe'r^ ftanding upon 

 foot-ftalks which are about an inch long. The young 

 branches of this tree have a purple bark, and are co- 

 vered with a white down, but the bark of the ftem 

 and older branches is gray. In the beginning of April 

 the male flowers of katkins appear, which are cylin- 

 drical, fcalj, and three inches long, and about a week 

 after com'e but't^e female flowers on katkins, which 



ave 



ft^nimi like thofe of the male. Soon after 



— ■ 4 



thefe come out, the m.ale katkins fall off, and in five 



or fix weeks after, the female flowers will have npe 



feeds inclofed in a hairy covering, when the katkins 



,^l will^drop, and the feeds will be v/afced by the winds 



great diftahcc, ----■^■r:'is y^^h '-^- '■:- -■ 



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