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 164 31.  PTERIS,  §  EUPTERIS. 
 Hab.  Tropical and  warm  temperate  regions  all  round  the  world;  Spain,  Dalmatia,  
 Sicily, Algiers, Abyssinia, Canaries, and Cape Verde Islands southward through Tropical  
 Africa  to  Angola,  Maealisberg,  Mauritius,  and  Bourbon ;  Lebanon,  Himalayas  (up to  
 4,000 ft.),  Chusan  and  Loo-choo  southward  to  S. Australia ; West  Indies, Mexico, and  
 Venezuela. 
 2.  P .  mohtccana,  Blume ;  st.  strong,  erect,  naked,  polished,  dark-brown  ; fr . 
 2-3  ft.  1.,  oblong,  simply  pinnate ;  pinnæ  in  numerous  nearly  opposite  pairs. 
 linear,  cuneate  a t  the  base,  spinuloso-serrated  towards  the  p oint,'  the  largest  
 12-]g  -  in.  ,I.,  .    J -  - , |     in.  b r . ,;    rachis naVed,,   likiee   th' o  sti'p  e,  'b oth'    surf“a  ces  b' right-green 
 and  shmmg ;  texture  subcoriaceous ;  veins  conspicuous,  line,  close  (about  6  
 to  aline),  usually  simple;  invol.  narrow,  membranous.—7 //.  Sp.  2.  p .  168.  t.  
 112.  B, 
 Hab.  Malayan  Islands.—P.  venusia, Kunze  (Bot.  Zeit.  6.  p,  195),  is  said  to  be allied  
 to  this,  but to have the pinnæ subauriculate at the base,  and occasionally forked. 
 3.  V.opaca,  J .   Sm. ;  st.  strong,  erect,  pale,  finely  pubescent ;  2-3  ft.  1,, 
 oblong,  simply  pinnate ;  pinnæ  in  numerous  opposite  pairs,  linear,  cuneate  at  
 the  base,  quite  entire towards the point,  the largest  about 1  ft. 1.,  4  in. br. ;   rachis 
 pubescent,  like  the  stip e ;  texture  coriaceous,  both  suifaces  naked  except  the  
 midrib  beneath ;  veins  sunk  in  the  frond  and  only  visible  as  faint  striations  •  
 mvol.  narrow,  brownish.—777.  Sp.  2.  p .  169.  t.  114.'A.  Pycnodoria,  Presl. 
 Hab.  Island of  Samar,  one  of  the  Philippines,  Cuming,  842.—A well-marked species,  
 out  of which  Presl made  a  new  genus  upon  a  mistaken  view of the involucre,  which  is  
 that of typical Pteris. 
 **  Furcatce.  Lower pinnm  
 or slightly  pinnate  below,  with  a  long  linear 
 entire point.  Sp.  4-11. 
 4.  P .  cretica,  L.  ;  st.  6-12  in.  1.,  erect, wiry,  naked,  straw-coloured,  or  pale-  
 brown,  polished  ;  _fr.  6-12  in.  1.,  4-8  in.  br.  ;  lateral pinnæ  usually  in  2  to  G 
 opposite  sessile  pairs,  of  wliicji  the  upper  one  is  sometimes  a  little ' decurrent, 
 3-6  in.  1.,  ¿'-f  in.  hr.,  the  sterile  ones  considerably  the  broadest  and  spinulososerrated,^ 
   the  lower  pairs  often  cleft  doivn  nearly  to  tlie  base  into  two  or  three  
 Wnoar  p in n l.;   rachis  and  both  surfaces  n a k e d ;  texture  coriaceous;  veins  fine,  
 close,  parallel,  simple  or  once  forked  ;  invol.  pale,  membranous.—Hh.  Sp.  2.  
 p .  159.  ¡3, F .  stenophylla,  H k .  &  Gr.  To.  t.  130  ;  pinnæ  3 to  5  only»,  clustered  at  
 the  apex  of  the  stipe.  P.  digitata,  Wallich. — y,  P .   melanoeaulon,  F e 'e ;  '  
 dark-coloured ;  veins sometimes scarcely  visible.—P.  scabripes,  Wail. 
 Hab.  Italy, Crete,  Corsica, Abyssinia,  Bourbon, Natal, Cape  Colony, Ural,  Caucasus  
 Arabia,  Persia,  Japan,  Himalayas  (up  to  8-9,000 ft.),  Neilgherries, Philippine Islands,  
 Fiji  and  Sandwich  Islands,  Florida, Mexico,  and Guatemala.—A variegated  form (alho-  
 lineata,  Hort.)  is figured in Bot. Mag.  t.  5194.  The  Brazilian  station  given  in Sp.  Fil.  
 is a mistake. 
 5.  P .  pellucida,  Presl  ;  st,  1  ft.  or  more  L,  erect,  naked,  straw-coloured  or  
 brown ;  f r .   12-18  in.  I.,  ovate-lanceolate,  simply  p in n a te ;  pinnce  usually  in  
 3  to  6  sessile  pairs,  linear,  entire  or  serrated  towards  the point,  the  upper  ones  
 slightly  decurrent,  the  lower  ones  often  8  in.  1.,  1  in.  hr.,  usually  all  simple,  
 b u t  occasionally  the  lowest  forked ;  rachis  naked  ;  texture  coriaceous,  both  
 surfaces  bright-green,  often  glossy ■  veins  conspicuous,  fine,  close  (about  three  
 to  a  line),  simple  or  once  forked  ;  invol.  membranous,  brownish.—77/. Sp. 2.  
 p. 161.  t.  129. B.  {a simple-fronded state). 
 Hab. Himalayas, Neilgherries,  Ceylon, Malayan Peninsula,  Philippines, Guinea Coast.  
 —Different  in  the  typical  state  from  P.  cretica,  but  not  satisfactorily distinct.  Pinn®  
 of  the  sterile  frond  not  much  broader than  the  others,  scarcely toothed,  but sometimes  
 crisped at the edge. 
 31.  PTERIS,  §  EUPTERIS. 155 
 ■  ol.  narrow, brownish.—77/. bp.  2. p .  160. 
 Hab. Ad am’s P e a k ,  Ceylou, at about 2,000 ft.-Begarded  by Mr. Thwaites as  a variety  
 of p.  eretica. 
 „  J  ,  T  „  T I B   .  If  6  9   in  1  slender,  wiry,  naked,  straw-coloured ; f r .  
 invol.  broad,  pale.—T i/.  Sp.  2. p .  1 6 0 .1 .130. A. 
 Hab.  Nepaul,  SLkklm,  and Khasya, 
 P.  cretica ¡3,  but the venation is different. 
 ascending to 9,000 ft.—In   habit  this  comes near 
 to k e d   o r / i t h   2  or  4   erecti-pa tent  linear  p in n u le s;  raohis  and  both  su rfa c ^   
 naked  ;  texture  coriaceous ;  veins  fine  but  conspicuous,  simple  or  once foiked.  
 / / / .   Sp.  2. p .  162 .«   130.  B. 
 H a b V l ’ro ric a l  an d   T em p erate  A u stra lia . -  A   la rg e r  p la n t  th a n   P.  cretica,  w ith   a   
 conspicuously  winged raohis  and  sev eral  compound  pmnæ. 
 Q  P   serndata  L.  fil.  ;  st.  6-9  in.  1.,  erect,  wiry,  naked,  pale  or brownish  ;  f r . 
 m i h t ! 
 p« » » * in six o r^m o re ffis tan 4 ^ 
 forked,  about  1  lin.  ap a rt  at  the  base  ;  invol.  narrow,  membranous.—77/.  bp. 
 2.  p.  167. 
 Hab  A well-known plant iu gardens, common  in China, and received lately from Japan  
 from  Dr  Hance  a id   from  NÎtal  from  E.  W.  Kawson,  E s q .-P .  luxmiosa, Kunze,  a  
 garden  plant,  supposed to be a native of Manilla,  is  said  to  differ by  longer and nai-  
 fower frond,  less  branched and more equal lower pmnæ,  and winged petioles. 
 10.  P .  crenata,  Swartz  ;  st. 3-6  in.  1.,  slender,  erect,  naked  stiaw-colo u ed   
 f t   6-12  ill  1.,  3-6  in.  hr.,  with  a  long  terminal  pm n a   and  2  to  4  p an s  of  
 ■lateral  ones  those  of  the  fertile  frond  slightly  compound,  the  central  portion  
 2  4 in  1 T i n   or  less  hr.,  entire,  the  upper  ones  of  the  sterile  frond  decurrent,  
 the lowe! ones  subdeltoid,  cut  down  to  the rachis  below into  2  to  6  
 sharplv-toothed  pinnules,  which  are  often  f   or  even  g  m.  bi.  ,  textuie  sub  
 coriiceous  ;  rachis  and  both surfaces  naked  ;  veins  not  very  conspicuous,  usua lly  
 once  or  twice  forked.—77/. Sp.  2. p .  163.  t.  127.  A. 
 Hab  Hindostán  from  the Himalayas to  Ceylon, Chusan,  and Loo-choo Islands southward  
 t  r/pT c a rlu s tra lia ,  eastward"^to  Samoa  and  F ip .-T h is  has the fertile frouds of  
 the present, with barren  ones more like those of the  next group. 
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