152 



GLOSSARY AND INDEX. 



Gold -fern. Vide Gymno- 



gramme. 

 Grammitideae, 76. 

 Grape -fern. Vide Botry- 



chium. 



Ground -pine, Ground -fir, 

 - etc. Vide Lycopodium. 

 Gymnogramme, 8 4 ; also 3 , 9 , 13, 



^ 41, 68, 76. 



H 



Hartford-fern. Vide Lygo- 

 dium. 



Hart's-tongue. Vide Scolo- 

 pendrium. 



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

 nished with spreading lobes on each- 

 side at the base. 



Helvellaceae, 52. Literature ol, 

 60. 



Hepaticae, 52. Literature of, 

 61. 



Herbaceous (Lat. kerba, an herb), 

 having the texture of common herb- 

 age. 



Heterosporous (Gr. repo?, other 

 and o-jfopds, a seed), producing two 

 kinds of spores, as in Selaginella, 

 Marsilia, etc. 



Histology (Gr. iaros, web, tissue, 

 and Aoyos, a. discourse), the study of 

 the microscopic characters of the tis- 

 sues of plants and animals. 



Holly-fern. FiW* Dryopteris. 



Horsetail. Vide Equisetum. 

 ^ymenomycetes, 50. Litera- 

 ture of, 55. 



HymenophyllaceaB, n, 26, 79 . 



I 



Imbricate (Lat. imbrex, a [hollow 



tile), breaking joints like slates or 



shingles. 

 Jndusium (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 



Woodsia. 

 Intramarginal (Lat. infra, with- 



in, and margo, a border), near the 



margin. 

 Involucre (Lat. involvere, to wrap 



up), the indusium. 

 Isoetaceae. 142; also 37. Litera- 



ture of, 38. 



Isoetes, 142; also 37, 38, 69. 

 Isosporous (Gr. leros, equal, and 



o-wopos, a seed), producing spores of 



one kind. 



L 



Lace-fern. F>V/<?CheiIanthes. 

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



pet of a garment), a long narrow lobe. 

 Lady-fern. Vide Asplenium. 

 Lanceolate (Lat. lanceola, a little 



spear), lance-shaped. 

 Lepidodendraceae, 69. 

 Lichenes, 52. Literature of, 60. 

 Ligula (Lat. a strap), a triangular or 



somewhat elongate stipule-like or- 



gan of the leaf in Isoetes, situated 



above the sporangium. 

 Linear (Lat. linea, 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. luna, the moon), cres- 



cent-shaped. 

 Lunulate (Lat. lunula, diminutive 



of luna, the moon), smaller than 



lunate. 

 Lycopodiaceae, 135; also 34 . 



Literature of, 37. 

 Lycopodium, 135; also 34, 35, 36, 



69. 



22; 31304,17,66,79. 



M 



Macro- (Gr. poxpos, long), (as a pre- 



fix) large or long. 



Maidenhair. f/</* Adiantum. 

 Male-fern. r/<fe Aspidium. 

 Marattiaceae, 45- 

 Marsilia, 125; also 39, 40, 69. 

 Marsiliaceae, 125; also 39. Litera- 



ture of, 40. 



