l'Hi:-CAl!rC)NIFK«0r8 l'L/>NTS. 



10 



Fig, 70. Atnivliiriii l4uii,— ^]tih with radiutlng rnolf ; 7Ur, a(i|iearaiioe uf llieie od verticwl 



I'dgO ofHiltl). 



71. Irregular root* fVom iintlurcliiy. 



,73. Itttiliating roots or f'ronil. 72 a. Anotlior «ije<:hiicii. 

 (.>. »igr-liki- body on Biinio alnbg with .1. liira; 7:Ia, the Rnme eiilargrd. 



i r 



l'l.AT« vil. I'innuhriti, ,fc 



Fig. 74. J'inniililna i/(>/«//««», — a, A, areoli h. 



7ft. Kriigmcnt whowing axi» and raniiflcation enlargud. 



7i!. ■ ' FriiKinciit ciiluri^i'd, nhowiiig areole. 



77. J'inniitiiriii elomjaltt. , 



"H. J'iiiMiiliiria noilimii, — 7Ha, portion showing nodoHe margin. 



7!>. J'fi/u/ilii/loii yliihrii'ii, — Showing internal axi.' ; H!»u. portion enlarged. 



¥0. Similar liniiich of /'. rohiinthiii. HO a. I'ltiolc of Fern. 



XI. I.i/rnfioililin Itirliiirilfoni, — a, eone; I), leafy Hiein. 



i' 



I'l.ATK VIII. I.eiiidudenilron, J(e. 



Fig. X2. /jt/ioliiilniiliiin (iai>/ii(niHm, — decortleated branch. 



8:i. Itruiicli with leaves; n:ia, areolex enlarged. 



H4. liranch with fructiliuntion. 



t'4 ii. /.r/iiiloileii(lron C/irinuni/friKi; reduced. 

 Htt. J.yco/iotlilfii Malt/ieiri, — Hi'ia, leaf enlarged. 



(ill. Stem with leaf sears enlarged. 



H7. showing ramilieatioii. 



88. J^fitop/ili'iwt r/iomliKuiii, — Impression of a stem, showing areoles. 



H». — -^ Flattened stem, showing iircoles and leaf scara below, and Ktf rnbergia 



strnetiire above, Hi'a, areole and scar. 

 })0. /,r/iiihjihli)io> iiiili(juii.y, — Stem or branch showing scars; 90 a. b, leaf of this or a 



t^imilar s]iccies. 



!i|. Portion of the same fri.m a iilioti.gropb ; yi a, b, areoles enlarged. 



92. Vyclotiiyma deimifolinm, — Stem natural size. 



»3 to t)f>, — I'ortioiiB of stem showing remains of leaves and scar of branch or 



cone at a. 

 JH). .^reides in various conditions. 



Fig. 



5.7, 



a9. 



100. 

 101. 

 102, 

 104. 



105, 106. 



107. 



108. 



10», 110. 



I'latb IX. I'tilophf/ton prineep*. 



>8 J'tilojiht/lun prinef/>s, var urnatiim, leafy stems. 



Larger stems. 



Smaller branches. 



Circinate tennination. 



— Branches with fructification. 



— Stem with leaves enlarged ; 104a, leaf enlarged. 



— Fructification. 



— Spore-cases enlarged, showing slit. 



— Spore-cases further enlarged, showing slit at a. 



— Smaller branches, enlarged. 



loa. 



Platb X. Psilojphyton. 



Fig. 111. Slab with rhizomata of P»ilophyton prineepi from an underclay, («. a,) areolea. 

 112 to 114. Circinate terminations of young branches of P«/<>pAy<o». 

 116 and 116. Areoles of rhizoma of Ptilcphyton. 



117. Hhiiofiia qf' Piilophylon showing ramenta and areoles; 117a form of tht 

 areoles. 



I 



