616 



LOUDON'S HORTUS BRITANNICUS. 



33419 - - denticulatum Swz. toothed £ E2 or ... su Y Jamaica ... D p.l 



Aspidium denticul&tum. 



33420 - - vestitum Swz. clothed jj i Al or ... su Y N.'Zeal. 1842. D p.l Schk. crypt. 43 



33421 - - proliferum J. Sm. proliferous £ [23 or Y V. Di. L. 1843. D p.l 



33422 - - discretum J. Sm. parted £ [23 or ... su Y Nepal ... D p.l 



33423 - - rhomboideum Schotirhomboid £ [23 or ... su Y K.Indies ... D p.l 



33424 - - coniifdlium Wall. Hemlock-lvd # fAI or l±aut Y Ceylon ... D p.l 

 33425- - obtusum J. Sm. blunt if (23 or ... aut Y I.of Luzon ... D p.l 



Of the genus Aspidium, as given in p.422., some authors refer Nos. 25583. 25584. 25586. 25588. 25591 . 25606. 

 25607. 25614. 25621. and 25624. to this genus. 



670. POMADE'RRIS. 



33426 5514a Aetulina Cun. Birch-leaved *| | or 5 myjl Y N.S.W. 1823. C p.l 



33427 5517a andromeda?yMaCun. Androm.-lvd m j_J or 5 my.jl Y N.S.W. 1824. C p.l 



33428 - - viridirufa Sieb. greenish-brown * i | or ... ap.jl Pa. Y N.S.W. 1821. C s.p.l 



33429 - - /igustrina Dec. Privet-like « c_J or ... jn.jl W N.S.W. 1826. C s.p.l 



3931.2554c. PONE^RA Lindl. Ponera. (Poneros, miserable ; appearance of the plants.) Orchiddceee. 20. — 1. 

 33430- - juncifdlia Lindl. rush-leaved £ [23 cu ... jn.jl O Mexico 1838. D fib.p Fl. cab. 127 

 Epidindrum graminifblium Pavon ; Nemacbnia graminifblia K. & W. 



33431 - - striata Lindl. striated £ [73 pr Bf.O Guatemalal840. D fib.p 



33432 - - inconspicua Lo. C. inconspicuous [23 un ... Guatemalal840. D fib.p 



959. PONTEDE^R/^. 



33433 7758a cajrulea Maund b\ne-ftowered i A or 2 au B N.Amer. 1830. D h Bot.gard.551 



2793. PO'PULUS. 

 24384 can<5scens 



2 hybrida Bieb. hybrid or 40 mr.ap Ap Caucasus 1816. C co 

 P. alba Bieb. ?P. intermedia Mert. P. a. crassifblia Mert. P. grisea Lod. 



3 rtcerifdlia A. B. Maple-leaved % or Ap ... C co 



P. acerifblia Lo. C. P. quercifblia Hort. P. palmdta Hort. 



4 arembergica A.B. Aremberg or Ap 1835. C co 



P. arembergica Lo. C. Possibly only the above var. 3. 



5belgica^.#. Belgic ¥ or Ap S. Europe 1835. C co 



P. belgica Lo. C. Probably identical with var. 3. 



6 candicans A . B. whitish =j£ or Ap ... L co 



P. candicans Lod. Probably also identical with var. 3. 



7 nivea A. B. snow-white $ or Ap ... C co 



? candicans var. 6. P. nivea Lo. C. 



8 segyptiaca Hort. Egyptian $ or Ap Egypt ... C co 



P. a. pdllidaUort. 



9 pendula A. B. pendulous-Z»-a«.;jjf or Ap ... G co 



24386 tremula 



2 pendula A. B. pendulous-6raw.^ or ... mr.ap Ap ... G co 



P. pendula Lo. C. 



3 supina supine or ...mr.ap Ap N.Amer. ?1824.C co 

 P. supina Lo. C, No. 24404. in p. 401. 



4 laevigata H. K. smooth $ tm80 mr.ap Ap N. Amer. 17C0. G co Mic. ar. 3. 11 

 P. laevigata Ait., No. 24387. in p. 401. 



24391 nigra 



2 viridis Lindl. green-leaved or ... mr.ap Ap Britain gard. G co 

 P. viridis Lo. C. 



3 salicifblia A. B. Willow-leaved ± or ...mr.ap Ap FloetbecK 1834. G co 

 P.salicifblia Lo.C. 



24393 fastigiata fce'mina fema\eLombardy ^ tm 70 mr.ap Ap Italy 1838. C co 



The male sex only of this tree has hitherto been seen in British gardens. 



24394 monillfera 



2 LindleyaraaBooth. Lindl. waved-lvd*£ or ... my Ap G co 



3 fdliis variegatis/ifor*. variegated.lv ^ or ... my Ap G co 



24397 angulata 



2 n5va Aud. There is a plant of this variety in the London Horticultural Society's Garden. 



3 Medusa Booth. There is a plant of this variety in the Hackney Arboretum. 



24398 balsamifera 



2 viminalis A. B. twiggy or 40 mr.ap Ap Altai 1826. C co 

 P. vimindlis Lo. C. P. salicifblia Hort. P. longifblia Fis., No. 24400. in p. 401. 



3 latifblia Hort. broad-leaved =f or 40 mr.ap Ap ... C co 



4 intermedia Hort. intermediate Y or ... mr.ap Ap ... C co Pal. ros. 41 



5 suaveolens A. B. sweet-scented $ or 70 mr.ap Ap Russia 1825. C co 



P. suaveolens Fis., No. 24399. in p. 401. 

 6fbliisvariegatisM*7.variegated-lvd ^ or ... mr.ap Ap ... G co 



3932. 2559a. PO'RPAX Lindl. Porpax. {Porpax, a button ; in allusion to its pseudo-bulbs.) Orchiddcca;. 



33434 - - reticulata Lindl. reticulated £ [23 cu Psh.R ... D fib.p 



3933. - - PORPHYRO'COMA Hook. (Porphyra, purple, koma, head of hair.) Acanthaccce, 14.— 2. 

 33435- - lanceolata Hook. lance- shaped-ft/d* □ or 1 ap.jn Psh.B 1845. C lt.s.pBot. mag. 4176 



1447. PORTULA v CA. 



33436 12158a grandifl6ra Hook, great-flowered A lAI or I jn.jl Y.P Chili 1827. S s.l Bot. mag. 2885 



2 luteal, yellowed A lAl or ... jn.jl Y Chili 1827. C s.l 



33437 - - Thellusdntf Lindl. Mr. Thelluson's O or 1 su S S. Europel839. S p.s.l Bot. reg. 1840. 31 



V.grandiflbra rUtila Bot. Reg. 1839. misc. No. 114. 



2 splendens splendid O or 1 jn.s Rsh.Pgardens ... S It 



3 lutea yeWovi-flwd O or 1 jn.s Y gardens 1847. S It 



33438 - - GilligstY Hook. Gillies's £ t Al or a jn.jl R.P Mendoza 1827. S s.l Bot. mag. 3064 



635. POSOQUE^RIA. 



33439 - - versicolor Lindl. changeable 31 □ or ... au Pk.WCuba 1839. C p.l Bot. reg. 1841. 26 



414. POTAMOGE x TON. 



33440 3444a acutifdlium Lk. acute-leaved * A cu (It jn.jl G.y Britain dit. D co Eng. bot.su. 2610 



33441 - - oblongum Viv. oblong * A cu fit jl G Britain dit.str.pds. D co Eng. bot. 2849 



33442 - - plantagineumDwcr. plantain-/?^ * A cu fit jn.jl G Britain sta.pea.wa. D co Eng. bot. 2848 



33443 - • longifdlium Cfay long-leaved ^ A cu fit au ... Eng.&Ire.dp.wa. D co Eng. bot. 2847 



