152 



GLOSSARY AND INDEX. 



Cold -fern. Vide Gymno- 



gramme. 

 Grammitideae,76. 

 Grape - fern. Vide Botry- 



chium. 

 Ground -pine, Ground -fir, 



etc. Vide Lycopodium. 

 Gymnogramme, 84; also 3, 9, 13, 



41, 68, 76. 



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 oi, 

 60. 



HepatiCSB, 52. Literature of, 

 61. 



Herbaceous (Lat. herba, an herb), 

 having the texture of common herb- 

 age. 



Heterosporous (Gr. crepe?, other 

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

 kinds of spores, as in Selaginella, 

 Marsilia, etc. 



Histology (Gr. toros, web, tissue, 

 and Aoyos, a discourse), the study of 

 the microscopic characters of the tis- 

 sues of plants and animals. 



Holly-fern. Vide Dryopteris. 



Horsetail. Vide Equisetum. 



Hymenomycetes, 50. Litera- 

 ture of, 55. 



Hymenophyllaceae, , 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 



Woods ia. 



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. Z<ros, equal, and 



o-Tropos, a seed), producing spores of 



one kind. 



Lace-fern. K/ 



Lacinia (plu. laciniee) (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 of 



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, 



6g. 



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



M 

 Macro- (Gr. M"cpos, long), (as a pre- 



fix) large or long. 



Maidenhair. Vide Adiantum. 

 Male-fern. /'/<& Aspidium. 

 Marattiaceae, 45. 

 Marsilea, 125 ; also 39 , 40 , 69. 

 Marsileaceae, 125; also 39. Liter- 



ature of, 40. 



