GLOSSARY AND INDEX. 



Gold -fern. Vide Gymno- 



gramme. 

 Grammitideae, 76. 

 Grape - fern. Vide Botry- 



chium. 

 Ground- pine, Ground -fir, 



etc. Vide Lycopodium. 

 Gymnogramme, 84; also 3, 9, 13, 



4I , 66, 76. 



H 



Hartford-fern. Vide Lygo- 

 dium. 



Hart's-tongue. Vide Scolo- 

 pendrium. 



Hastate (Lat. kasta, a spear), fur- 

 nished with spreading lobes on each 

 side at the base. 



Helvellaceae, 50. Literature of, 

 54- 



Hepaticae, 47> 50- Literature of, 



57- 



Herbaceous (Lat. herba, an herb), 

 having the texture of common herb- 

 age. 



Heterosporous (Gr. eVep^s, other 

 and o-wopd?, a seed), producing two 

 kinds of spores, as in Selaginella, 

 Marsilia, etc. 



Histology (Gr. ioros, web, tissue, 

 and Aoyo?, a discourse), the study of 

 the microscopic characters of the tis- 

 sues of plants and animals. 



Holly-fern. K/^Aspidium. 



Horsetail. Vide Equisetum. 



Hymenomycetes, 50. Litera- 

 ture of, 55. 



Hymenophyllaceae, n, 26, 79. 



Imbricate (Lat. imbrex, a r hollow 



tile), breaking joints like slates or 



shingles. 

 Indusium (plu. indusia) (Lat. in- 



duere, to clothe), the membranous 



covering of the sporangia in many 



species of ferns. 

 Inferior, attached below; said of an 



indusium below the sporangia as in 



IVoodsia. 



Jntramarginal (Lat. intra. with- 



in, and margo, a border), near the 

 margin. 



Involucre (Lat. involvere,\.o wrap 

 up), the indusium. 



Isoetaceae, 142; also 37. Litera- 

 ture of, 38. 



Isoetes, 142; also 37, 38, 67. 



Isosporous (Gr. Z<ros, equal, and 

 o-n-opos, a seed), producing spores of 

 one kind. 



L 



Lace-fern. r/^Cheilanthes. 

 Lacinia (plu. lacinite) (Lat. the lap- 

 pet of a garment), a long narrow lobe. 

 Lady-fern. Vide Asplenium. 



Lanceolate (Lat. lanceola, a little 

 spear), lance-shaped. 



Lepidodendraceae, 67. 



Lichenes, 47, 50. Literature of, 54. 



Ligula (Lat. a strap), a triangular or 

 somewhat elongate stipule-like or- 

 gan of the leaf in Isoetes, situated 

 above the sporangium. 



Linear (Lat. tinea, a line), long and 

 narrow. 



Linnaeus, definition of species, 43. 

 System of, 47. 



Lip-fern. Vide Cheilanthes. 



Lobule (Lat. lobulus, diminutive of 

 lobus, a lobe), a small lobe. 



Lomaria, 101; also 2, 14, 77. 



Lunate (Lat. tuna, the moon), cres- 

 cent-shaped. 



Lunulate (Lat. lunula, diminutive 

 of luna, the moon), smaller than 

 lunate. 



Lycopodiaceae, 135; also 34 . 

 Literature of, 37. 



Lycopodium, 1^5; also 34, 35, 36, 

 6 7 . 



Lygodium, 122; also 4, 17, 66, 79. 



M 



Macro- (Gr. paicpo?, long), (as a pre- 

 fix) large or long. 



Maidenhair. f/Vfe Adiantum. 



Male-fern. Vide Aspidium. 



Marattiaceas, 45. 



Marsilia, 125; also 39, 40, 67. 



Marsiliaceae, 125; also 39. Litera- 

 ture of, 40. 



