152 



'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, 



41, 68, 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, 52.— l-iterature ot, 



60. 



HepaticaB, 52. — Literature of, 

 61. 



Herbaceous {'La.l. herba, an herb), 

 having the texture of common herb- 

 age. 



Heterosporous (Gr. e'repo?, other 

 and criropos, a seed), producing two 

 kinds of spores, as in Selagineila, 

 Marsilia, etc. 



Histology (Gr. i(7Tds, web, tissue, 

 and Aoyos, a discourse), the study of 

 the microscopic characters of the tis- 

 sues of plants and animals. 



Holly-fern. TzV^ Dryopteris. 



Horsetail. Vide Equisetum. 



Hymenomycetes, 50. — Litera- 

 ture of, 55. 



Hymenophyllaceae, n, 26, 79. 



I 



Imbricate (Lat. imbrex^ a 'hollow 



tile), breaking joints like slates or 



shingles. 

 Indusium (plu. indusid) (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 (Lai. intra, 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. l<7os, equal, and 



cTTTopos, a seed), producing spores of 



one kind. 



L 



Lace-fern. K/(/^ Cheilanthes. 



Lacinia (plu. laciniie) (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 Isoeies, 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 

 lobtts, a lobe), a small lobe. 



Lomaria, loi; also 2, 14, 77. 



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

 cent-shaped. 



Lunulate (Lat. lunula, diminutive 

 of liina, the moon), smaller than 

 lunate. 



Lycopodiaceae, 135; also 34.— 

 Literature of, 37. 



Lycopodium, 135; also 34, 35, 36, 

 69. 



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



M 



Macro- (Gr. Ma^pos, long), (as a pre- 

 fi.\) large or long. 



Maidenhair. T/V/,? Adiantum. 



Male-fern. T/V/f Aspidium. 



Marattiaceae, 45- 



Marsilea, 125 ; also 39, 40, 69. 



Marsileaceae, 125; also 39.— Liter- 

 ature of, 40. 



