1 1 2 Our Native Ferns. 



Glabrous, {glaber, smooth), smooth. 



Glanduliferous, (glandala, » little kernel, and ferre, to bear), furnished with 

 glands. 



Glaucous, (Gr. glaukos, sea-green), covered with a bloom like a plum. 



Globose, spherical in form or nearly so. 



Gold-fern. Vide Gymnogramme. 



Grammitideae, 52, 61. 



Grape-fern. Vide Botrychium. 



Gynmogramme, (Gr. gumnoSf naked, and gramma, Hue), contains 97 species mostly 

 tropical. 70; also 26, 30, 36*, 61. 



H. 



Hartford-fern. Vide Lygodium. 



Hart's-tongue. Vide Scolopendrium. 



Hastate, (^hasta, a spear), furnished with spreading lobes on each side at the base. 



Herbaceous, (Aer6a, an herb), having the texture of common heritage. 



Heterosporous, (Gr. heteros, other, and sporos, a seed), producing two kinds of 

 spores as in Sdaginella^ etc. 



Histology, (Gr. htstos, web, tissue, and logos, a discourse), the study of the micro- 

 scopic chaiucters of the tissues of plants and animals. 55. 



Hymenophyllacese, 29, 42, 64. 



I. 



Imbricated, {Imhrex, a hollow tile\ breaking joints like slates or shingles. 



Indusium, plu. indusia) {iTidaere^ to clothe', the membranous covering of the spor- 

 angia in many species of ferns. 28. 



Inferior, attached below; said of an Indusium below the sporangia as in Woodsia. 



Intramarginal, (iniro, within, and margo, a border), near the margin. 



Involucre, (involvere, to wrap up , the indusium. 



Isoetaceae, (Gr. isodes, an evergreen plant), the quillworts. 50, 104. 



Isosporous, (^Gr. isos, equal, and sporos, a seed), producing spores of one kind. 

 L. 



Lace-fern. Vide Cheilanthes. 



Lacinia, (plu. lacinise) (Lat. the lappet of a garment), a long narrow lobe. 



Lady-fern. \'ide Asplenium. 



Lanceolate, {lanceola, a little spear), lance-shaped. 



Lepidodendracese, an extinct order of plants allied to the club mosses, 50. 



Life History of a fern, 29. 



Linear, {liTiea, a line), long and narrow. 



Lip-fern. Vide Cheilanthes. 



Lobule, (lolmhts, diminutive otlobus, a lobe), a small lobe. 



Lomaria, (Gr. loma, a fringe, and aria, diminutive), allied to Blechnum and found 

 principally in South Temperate zone ; contains 45 species. 81 ; also 32*, 62. 



Lunate, (luna, the moon), crescent-shaped. 



Lunulate, [lunula, diminutive of 2una, the moon), smaller than lunate. 



Lycopodiacese, (Gr. Hkos, a wolf, and pous, foot), the ground-pines or club- 

 moeses. 50, 103. 



Lygodium, (Gr. lugodes, flexible, alluding to the scaudent stems), contains 16 spe- 

 cies widely diffused. 97; also 35, 36*, 64. 



M. 



Maidenhair. Vide Adiantum. 



Male-fern. Vide Aspidium. 



Marattiaces, an order of fern allies, 48, 50. 



