LOUDON'S IIORTUS BlllTANNICUS. 



^ul'f^' ' A^r^'V^ J'*^ ,1'*N-«TIA. (Meaning unknown.) ConijnhiUc Hclichrysca. 



JlObl - • m\i\ I.iHdl. yellow Opr... my ll.Go Swan Riv.?l837. S It.l 



2011. PAVO'N/J Schrfink»VS|>r., Hot. mag., 3Gli'J. syn. 2013. Lcbiot6n»rt 1792.') cocdnca Schrank in p. 288. 



'MiA. . - PAXTl)*N/W. (./. /^jj/oM, S. »Vr., cond. of 3/rt^.<j/"/?o/., anda successful cultivator.) Orchidticcar. 

 aiiiOi - - rosea LiM«//. Kose-coloured ^ lAJ l>r i s.o. Pk Philippines 1837. D j).! Bot.rcg. n.s.l 13 



1717. PENTSTF/MON. 



31Gta - . Mnckay«MMs K. WV.Mackny's A or 1 au P.w.y Ohio 1831. Deo Fl. cab. 2. 117 

 3178. PERl.STiriUA. 



31GGI . - guttata a:, .y /r. spotted Ei or J au II. y S. Amcr. 1837. Dp.r.w FI. cab. 2. 99. 



.'terma var. 



S729.? 2.Vvl<i 

 31GG5 



Mrt PHAL.TiNO'PSISi?/M7«('. Butterfly Plant. a moth, o/m«, resemblance.) Orchidticets. 



- amubilis />Yk/w lovely ^ EJ or IJ jn W.r.y Manilla yi836. D p.r.w Bot. reg. n.s.34 



KpidcMulrum aniabilc L. ; An^rce'cum album majus llnniph. 



3730. IDlUi PlIALOCA'LLIS //ooA. (P/ia^oi, cone, Art//o.9, beauty ; delicacy of cone formed by crest.) Iridece. 



31GGG - - i>luinbea l.indl. lead-coloured lAJ or IJ ... Lead 



syn. Cypella plumbca Lindl. ; Bot. reg. 1838, 21. 



'.170. PHYCE'LLA. 



31GG7 - - bifl6ra Z-/«rf/. two-flowered tf _AJ or Gsh.Y.s.p ... O r.m 



3G2.'). PIlYSOSrPlION. 

 31GGS - - carinatus Lhidl. keeled E] cu ^ mr.my O ... D p.r.w 



3380. PIIYSOSTE'GIA imbricata Paxt. Mag. of Bot, p. 173., and 2d Supp. p. G56. The figure given here 

 dillers materially from that of the same plant given in the Bot. Mag., t. 3386. 



3C2G. Pl'CEA. 



31GG9 - - Pinsilpo Moii. Pinsapo J tm 65 ... Ap S. Bermeja 1838. S s.l 



2210. PrCRlS asperrima. A native of Van Diemen's Land, with long narrow leaves, large flower-heads, 

 and an exceedingly rough surface. {Bot. Reg., Sept. 1838.) 

 P. barbar^rum Lindl. An erect-branched plant, nearly 3 ft. high, used parboiled as food by the natives 

 of the interior of Australia. It was raised in the Horticultural Society's garden, from Major Mitchell's 

 seeds. {B. M. R., Sept., No. 107.) 



87. PIMELE^A. 



31670- - cernua J7>-. nodding Jtt |_J or 3 jl Y Australia 1835. C p.s.l Fl.cab. 2. p. 113 



31671 - - crinita Lindl. hairy ti. I ) pr 1^ ... S.w Swan Kiv. ... C p.s.l 



Smells slightly of heliotrope. 



2685. PrXUS 



23586 Pinaster AberAhmcB syn. P. P. 2 Escarentw, in p. 657. and Arb. Brit. 



31 67 2?23606a Ocd^f- Loud. Ocote ± I or 40 ... Ap Mexico ?1838. S p.l 



" Ocote pine of the Mexicans j" oocarpa Schiedc. 



2011. PLATYSTE'MON. 



31673 - - leiocarpus F. 4- 3/. smooth-fruited O or 1 jn.au W.Y Siberia 1837. S co Fl. cab. 2. p. 129 



2.539. PLEUROTHA'LLIS. 



31674 - - bicarinata Lindl. bicarinate E] cu D.G.y Brazil ... D p.r.w 



31675 - - ?«uscdidea Lindl. Moss-like ^ IZ3 P«" ••■ o P.o ... D p.r.w 



This is the smallest orchidaceous plant known. "It has no stem, the leaves are two lines and a half 

 long ; and the peduncle is as fine as ahair, and about four lines long." The colours of the flower 

 are purple and orange." {Bat. Reg., Dec. 1838.) 



31676 - - stenopetala G. Lod. narrow-petaled ^ El pr Pa.G.c Brazil ... D p.r.w 



31677 - - pectinata imc?/. pectinate ^ El cu G. spot. p. Rio Jan. ... D p.r.w 



31678 - - strupifblia imtf^. thong-leaved _^ E cu?1A ... D.P.wRio Jan. ... Dp.r.w 



" The leaves are like leathern thong.^;, and full 18 in. long." (^Bot. Reg., Jan. 1839.) 

 p. marginata Lindl. A small species of no beauty, sent from Guatemala to Mr. Bateman. {Bot. Reg., 

 June, 1838.) 



P. aphthusa Lindl. A Mexican species, received by Mr. Bateman from the Birmingham Botanic Garden. 



Flowers a dull yellow. {Hot. Beg., June, 183?.) 

 P. vittata Lindl. A Mexican spebies, imported by Messrs. Loddiges, somewhat like P. aphth5sa, " from 



which it diflFers in the perfect smoothness of the sepals on their inside, in their form and proportion, 



and in the form, of the petals." {Bot. Beg., Oct. 1S38.) 



2348. PODO'LEPIS. 



31679 - - contorta Lindl. twisted-florets ?^ i | pr f ... Go V.D. L. ?1837. S s.p 



All the florets of the ray have " a distinct twist to tbe left," which gives the flower-head the appearance 

 of a Catherine wheel. {Bot. Reg., Sept. 1838.) 



2200. PODOSPE'RMUM. 

 31630 . - canum Mei/. hoary ... Russia 1838. S co 



1210. POLY'GONUM. 



31681- - amplexicaule D.Dow. stem -clasping or Ruby India ?1838. S s.l 



2555. POLY.STA^CHYA. 



31682 - - grandiflbraimrf^.iViS. large -flowered E cu ^ o G.P S. Leone 1837. D p.r.w Bot. mag. 3707 



31683 - - ramulbsa Lindl. branched ^ E or s G S. Leone ?1836. D p.r.w 



P. luteola J-Iooh. Exot. Fl. 1. 105. ; sj-n. Dendrbbium polysticton Swartx. This plant, Dr. Lindley 

 observes, is certainly from the West Indies ; and it is by mistake, that the specimen of it in the Liver- 

 pool Botanic Garden is said to be from the East Indies, and to have been received from Dr. Wallich, 

 as it does not appear among any of the doctor's collections. {Bot. Reg., Oct. 1838.) 



P. zeylanica Lindl.; syn. Dendrobium polystachj'um Thouars Orch. Afr. t. Sb. In both this plant and 

 P. luteola, Dr. Lindley has observed that the disk of the labellum is covered with a fine frost-like 

 mealiness, which is removed by the slightest touch, and which is "a curious modification of the hairs 

 found in other plants. When undisturbed it consists of threads with egg-shaped joints, which are 

 Piled with air." The slightest touch destroys the cohesion between these joints, "so that when they 



