
 
        
         
		28.  LLAVEA.  29.  CRYPTOGRAMME.  30.  PELLÆA. 
 and  fertile frond  ;  texture  herbaceous  or,  when mature,  subcoriaceous ;  rachis and  
 both  surfaces  naked ;  invol.  pale,  membranaceous  ;  sori  brown.—H h .  Sp.  2.  p.  
 122.  0 .  lucidum,  Spreng.  H k .  Sp.  2. p .  121. 
 Hab.  Japan, China, North of  India  (ascending in Sikkim  to  9-10,000 ft.),  Java.—The  
 plant common  iu Japan does not  differ from  the  ordinary Himalayan form.  0. Capense,  
 Kunze,  seems to  be this reported from South Africa by mistake. 
 Gen. 28.  L lavea,  Lagas. 
 Sori  linear,  occupying  the wliole  length  of  the  changed  pod-like  segments of  
 the  upper  pa rt  of  the  frond.  Invol.  the  same  shape,  rolled  over  and  qnite  concealing  
 them.  T ab. H I .  f.  28. 
 1.  L.  cordifolia,  Lagasca ;  st.  1  ft.  1.,  strong,  erect,  naked,  straw-coloured,  
 fibrillose  towards  the  base  ; f r .   1-2 ft.  1.,  6-12  in.  br.,  tripinnate,  the  lower  part  
 sterile with  stalked  ovate  segm.  1J-2  in.  1.,  J - f  in.  hr.,  the  fertile segments of the  
 upper  p a rt  pod-like,  lJ - 3   in.  1.;  texture  subcoriaceous;  both  surfaces  n ak ed ;  
 veins prominent.—H k .  Sp.  2.  p .  126.  Ic. P I.  t.  387-8.  Ceratodactylis,  J . Sm.  
 Mett. 
 Hab. Mexico,  ascending to 7,500  ft. 
 Gen.  29.—C r y p t o g r a m m e ,   R . B r . 
 Sterile  and  fertile  fronds  usua lly  different  from  tho  same i-oot;  so «  terminal  
 on  the veins,  a t  first  separate,  subglobose,  afterwards  confluent,  the  continuous  
 invol.  formed  of  the  changed  margin  of  the  frond,  rolled  over  them  till  full  
 m a tu rity .  T ab.  I I I .  f.  29.  This  and  Llavea  differ from   P e lls a   §  Allosorus  
 rather in the dimorphic fro n d s than in  anything else. 
 1.  C.  crispa,  R.  Br.  ;  st.  tufted,  straw-coloured,  polished,  brownish,  and  
 slightly  scaly  towards  the  base ;  f r .   2-4  in.  I.,  lJ -2   in.  br.,  oblong,  tr i-   or  
 quadripinnatifid  ;  ult.  segm.  of  the  barren  frond  obovate-cuneate,  deeply  pinnatifid, 
   those  of  tlie  fertile  frond  pod-shaped,  J - f   in.  1.  ;  texture  thickly  
 lierbaceous,  both  surfaces  naked.—/3,  G.  Brunoniana, Wa ll.  ;  habit  of  a,  but the  
 fertile segments  oblong,  about  3  lin.  I.,  1  lin.  br., with the invol.  spreading  in  the  
 mature  plant and  a  space  left  free  from  fru it  in the  centre.—H k .  S; Gr.  t.  168.—  
 y,  G.  acrostichoides,  R.  Bi-.  ;  habit  larger and  stronger,  barren  segments  thicker  
 in  tex tu re   and  more  prominently  veined  and  not  so  deeply  cut,  the  fertile  ones  
 f   in.  or  even  J   in.  1.,  1  lin.  br.,  the  invol.  spreading  when  mature.—Hk .  S   Gr.  
 « 2 9 .  Hk.  S p .2 . p .  139. 
 Hab.  a, Arctic  Europe  to  Lake  Baikal,  Mount  Olympus  in  Bitbynia,  Etruria and  
 Sierra Nevada ;  /3,  Himalayas,  at  10-15,000  ft.  ;  y,  N. W. America,  from  Sitka and the  
 Arctic  regions southward  to Lake  Superior,  Oregon,  and California. 
 Genus SO.  P ellaia.  l i n k .   Hooker. 
 Sori intramarginal,  terminal  on  tbe  veins,  a t first  dotlike  or  decurrent  on  the  
 veins,  b u t  soon  running  into  a  line.  Invol.  formed  of the more  or less  changed  
 edge  of  the  frond,  quite  continuous,  sometimes  very  narrow.  A llied   to  
 Cheilanthes  in  habit  o f growth  and  geographical  distribution,  differing by the continuous  
 involucre.  Veins free  in all the species except the last two.  T ab.  I I I .   f,  30. 
 8  Chelloplecton,  F'ee  extens.  
 ■clearly visible,  the  involucre  broad,  
 UU fu ll  maturity.  Sp.  1-11. 
 herhaceous  or  subcoriaceous,  and  
 most  o f   the species rolled over the 
 Fronds Sp.  1-4. 
 1  P .  mriculata,  L in k ;  rf.  tufted,  2-3 in.  1., 
 «licbtlv  scalv  •  fr.  3-9  in. L,  1 - lJ   in. br.,  linear-lanceolate, with  12  to  18  la th e r 
 S n i  f t l oe ’orx  each side, ’w h ic ï  are  slightly stalked and broader - 
 than  in the fertile frond,  and vary  in  shape  from lanceolate-oblong  and  entire,  to 
 W c t e d L  one  m-  both’sides  at  t i e  base,"or  cut  down  neariy *« 
 lower  pa rt  into  oblong  lobes ;  texture  herbaceous ;  rachis^  and  *>«“ J " ™ “ ® 
 naked  •  invol.  similar  in  colour  and  texture  to  the  frond,  broad  and  much 
 wrinkled.—f t / .   Sp.  2. p .  140.  f t / .   £  Gr.  le.  «  116. 
 Hab. Cape Colony. 
 2.  P.  Breweri, E aton ;  St.  tufted,  densely  fibrillose  a t the base,  2-3  ^ 
 poT/ied,  chesniît-brown,  nearly  naked  ; / «   2-3  in.  1.,  « "d e r  1  m.  £ r.,  Imeai- 
 S T o w T L S ’cfefrdowrth^^^^^^^^^^  nearly  3 t h e  base  
 into t’wo unequal halves,  of which the  lowest is 
 -as  the  u p p e r  pinnæ,  and  not  toothed  or  further  divided,  the  largest  liait  anout  
 J   in  1  I  in.  br.  ;  texture  thick,  but  scarcely  coriaceous;  rachts naked, P o l i ^ d   
 filre  ü i e / t ip e   ;  both  surfaces  pale-green,  naked  ;  in   - n tm u o u s   maigina 
 lines  ;  ¿«no« broad,  pale,  membi-anous.-Faton, Proc. Am. A c . A r t.  iy Sc.  vol.  b. 
 p .  666. 
 Hab.  California ; gathered by Messrs. Brewer aud Hillebrand -V e ry  near P.  aumcu-  
 iata,  but the cutting ofthe  pinnæ is different,  and also the venation. 
 8  P   Seemanni. H k .  ;  st. tufted,  1-2  in.  1.,  slender, wiry,  naked  sligbtly  scaly  
 ' t  tiie base •  fr   3-4  in.  1.,  1-2  in.  br.,  deltoid-oblong,  bipinnatifid ;  lower pmnæ   
 L t  more  ?lia{  1  im  “  laèceolate-deltèid, cu t down to  the rachis below  into  a few  
 broad  oblon»- blunt slightly-lobed ??««»/ ;  raehis  and both  surfaces naked , Uxlure  
 S a c e ^ s Y b u t   t t e   vL a tio n   s c a /e ly   v isib le ;  invol  narrow,  membranous.-   
 f t / .   2.??.  141.  «  117. B. 
 Hab. Mazatlan, Mexico ; gathered by Dr. Seemann.-Very like P. aumcuUta m habit,  
 ■differing by its finer venation and narrower involucre. 
 4  P .n ra cü u ,  H k . ;  rf.  scattered,  slender,  2-3 in.  
 uale-bro\vn  polished  ; f r .   2-4 in.  1.,  1-2  in.  br.,  ovate, bi- or tripinnatifid ,  pmnæ  
 d c e r i S e l t o i d ,   1-2  in.  1.,  cut down  to tb^xacHxa -,  lower p in n l  sometimes again  
 slightly  divided  ;  ult.  segm.  of  the  barren frond  obovate,  slightly  crenate,  of  the  
 fertile  one  linear-oblong,  terminal  one  much  larger  th an   the  o tte rs ;  texfire  
 thinly  herbaceous  and  flaccid ;  rachis  and  both  surfaces  naked ;  veins visible  ,  
 ‘  9«  broad,  continuous, membranous.—f t / .   Sp.  2. p .  138.  t.  133.  B. 
 ■iToV,  Cniinila to Wisconsin,  rare ;  Himalayas  ot  Tibet  and  N.  India at  9-10,000 ft.  
 This has been confounded with Cryptogramme a-ispa, hut is not tufted,  and is much more  
 delicate in texture. 
 Frond Sp.  5-11. 
 under  side,  t t e   lower  surface  densely pilose,  and  the midiib  scaly  like  the  s tip e . 
 li  ,,