GLOSSARY AND INDEX. 



Acrogenous (Gr. dicpov, the high- 

 est part, and yeWar, to produce), per- 

 taining to plants whose growth takes 

 place at the summit. Includes Ferns, 

 Mosses, etc. 



Acrostichese, 76. 



Ac rostichum, 89 ; also 5 , 6, 12, 76. 



Aculeate (Lat. aculeus, diminutive 

 of acus, a needle), armed with 

 prickles. 



Adder-tongue. Vide Ophio- 

 glossum. 



Adiantum, 89 ; also 5, 13, 42, 73, 77. 



Adnate (Lat. ad. to, nasci, to be 

 born), growing fast to some other por- 

 tion of the plant. 

 Algae, 49. -Literature of, 55. 

 Allosorus. Vide Crypto- 



gramme. 



Analogy (Gr. aW, according to; 



^o'-yos, ratio, proportion), similarity in 



function; distinguished from homolo- 



y, indicating similarity in structure. 



Anastomose (Gr. dvwronovv, to 



open into), forming a net- work ; said 



of veins which unite with each other. 



Anemia, 123 ; also 18, 79. 



Annul us (Lat. a ring), the ring 



partly or completely surrounding the 



sporangium. 



Antheridium (plu. antheridia) 

 <Lat. anthera, an anther, and Gr. 

 ei'Sos, form), the part containing the 

 male element. 20. 



Antherozoid (Lat. anthera, an 

 anther; Gr. f<J i>, an animal, and ei'Sos, 

 form), the male element of crypto- 

 gams. 20. 



Archegonium (plu. archegonia) 

 (Gr. O'PXJJ, beginning, and yovn, off- 

 spring), the part containing the fe- 

 male element. 20. 



Arcuate (Lat. arcus^a. bow), curved 

 like a bow. 



Areola (plu. areolte). (Lat. diminu- 

 tive of area t an open place), a space 

 enclosed by anastomosing veinlets. 



Asexual Reproduction in 

 Ferns. 27. 



Aspidieae, 78. 



Aspidium. Vide Dryopteris, 

 16, 78. 



Asplenieae, 78. 



Asplenium, 103; also 2,3, 5,6,15 

 27, 78. 



Auriculate (Lat. auricula, a little 

 ear), furnished with ear-like append- 

 ages. 



Azolla, 127; also 39. 



Beech-fern. Vide Phegop- 



teris. 

 Bi (Lat. bis, twice), (as a prefix) two, 



twice or doubly. 

 Bladder-fern. Vide Cystop- 



teris. 



Blechneae, 77. 

 Blechnum, 102 ; also 15, 77. 

 Botrychium, 129; also 2, 3, 5, 19, 



29, 30. 

 Brake or Bracken. Vide 



Pteris. 

 Bryophytes (Gr. ppvov, moss, and 



<j>vrdv, plant), 52. 

 Buds, borne on ferns, 27. 

 BulbletS borne on ferns, 27. 



Calamariaceae, 67. 



CamptOSOrus, 108 ; also 3, 6, 9, 16, 



27, 7 8. 



Carboniferous Age, Pterido- 

 phytes of, 68. 



