no Our Native Ferns. 



Blechnuni, (Gr. hlechnon, an old name for some kind of feru), a tropical iind 

 South Temperate genua containing 19 species. 82; also 32, 62, 



Botrychium, (Gr. 6o(rMS, a bunch of grapes, alluding to the clustered sporangia), 

 containing ten species. 99 ; also 18, 19, 20, 29*, 36, 40, 44, 65. 



Brake or Bracken. Vide Pteris. 



Bulblets, 43. 



c. 



Calamariacese, an extinct order of plants allied to the Bcouring rushes. 50. 



Camptosarus, (Gr. kamptos, bent, and soros, a heap, fruit-dot), containing only two 

 species. 86; also 20, 21, 33, 63. 



Capillary, {capiUitSf a hair), hair-like. 



Capsule, (capsula, a little box or case), a sporangium. 



Carboniferous Age, number ot" American species of ferns, 25. 



Castaneous, {castanea, a chestnut), chestnut colored. 



Caudate, (cauda, a tail), furnished with a slender tip or appendage resembling a 

 tail. 



Caudex, (Lat. a stem), the upright rhizoma forming the trunk of a tree-fern. 



Cellulose, {celkUa, a''little cell), the substance composing the wall of cells, contain- 

 ing the elements, carbon, hydrogen, and oxygen (CK Hio 05). 



Ceraceous, (cera, wax), having the nature of wax. 



Ceratopteris, (Gr. keras, horn, and pteris, a fern), containing a single tropical spe- 

 cies. 81 ; also 21, 32, 62. 



Chartaceous, (charta, a leaf of paper), having the texture of paper or parchment. 



Cheilanthes, (Gr. cheilos, a lip, and anthoSt flewer; alluding to the lip-like indusia), 

 a genus of 63 species of tropical and temperate zones. 75 ; also 19, 21, 31, 42, 43, 62. 



Chlorophyll, (Gr. cfdi ros, green, awl phuUon, leaf), the green grains fjrming the 

 coloring matter of plants. 



Christmas-fern. Vide Aspidium. 



Ciliate, {cUium, an eye-lash), having on the margin a fringe of hairs resembling the 

 fringing eyelashes. 



Cinnamon-fern. (If^ Osm^unda. 



Circinate, (circinti^ a pair of compasses), rolled inward from the apex. 



Classification, of the Cryptogamia, 48; of Fllices, 51; of Pteridophyta, 50; of the 

 Vegetable Kingdom, 49; Principle of, 48. 



Cliff-brake. \^ide Fellsta. 



Climbin^-fern. Vide Lygodium. 



Cloak-fern. Vide Notholsena. 



Confluent, (C07i, together, andfiaere, to flow), blended together. 



Connate, {con, together, and nasci, to be born), united together from the first. 



Cordate, (cor, the heart), heart-shaped. 



Coriaceous, {corium, a hide), leathery. 



Cotton-fern. Vide Nothblaena. 



Crenate, {creni, a notch), having the margin scalloped with rounded teeth. 



Crenulate, {cremUa, diminutive of arena, a notch), scalloped with small rounded 

 teeth. 



Cryptogamia, (Gr. kruptos, hidden, gamos, marriage), flowerless plants. 



Cryptogramme, (Gr. kruptos, concealed, and gramma, line, alluding to the con- 

 cealed fructification), a boreal genus containing two species. 78; also 31, 36*, 62. 



Cuneate, {cuneus, a wedge), wedge-shaped. 



Cystopteris, (Gr.kitstis, a bladder and pto'is, a fern; named for the inflated in- 

 dusia), inhabiting the temperate zones of both hemispheres; contains 5 species. 93; also 

 20, 21, 34, 36* 43, 63. 



