154 



GLOSSARY AND INDEX. 



Germination of Ferns, 19; of 

 Ophioglossace>g, 30; of Equisetum^ 

 33; of Club-mosses, 36; of Isoetes, 38; 

 of Marsziea^ 40. — Literature of, 23. 



Glabrous (Lat. glaber, smooth), 

 smooth. 



Glanduliferous (L^t. ^iandu /a, a. 

 little kernel, &nd Jerre^ to bear), fur- 

 nished with glands. 



Glaucous (Gr. -y^avKos, sea-green), 

 covered with a bloom like a plum. 



Globose J spherical in form or 

 nearly so. 



Goethe on species, 44. 



Gold-fern. ^ide Gymno- 

 pteris. 



Grape -fern. P^zde Botry- 

 chium. 



Ground-pine, "*• Ground-fir, 

 etc. yi'de Lycopodium. 



Gynrinogramme. FiV<? Gym- 

 nopteris. 



Gymnopterls, 84; also 3, 9, 13, 41. 



79- 



H 



Hartford-fern, yi^e Lygro- 

 dium. 



Hart's-tongue. FiV& Phyl- 

 litis. 



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

 nished with spreading lobes on each 

 side at the base. 



Hepaticae, s?' 



Herbaceous (Lat. A^r^a, an herb), 

 having" the texture of common herb- 

 age. 



Heterosporous (Gr. €Tepos,other, 

 and <T-nopQ^^ a, seed), producing two 

 kinds of spores, as in Selaginella^ 

 Marsilea, etc. 



Histology (Gr. tcrrds, web, tissue, 

 and Adyos, a discourse), the study of 

 the microscopic characters of the tis- 

 sues of plants and animals. 



Holly-fern. F^V^Polystichum, 



Horsetail. Vide Equisetum. 



Hymenophyllaceae, 11,26,74. 



I 



Imbricate (Lat. imbrejc^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 btlow the sporangia as in 



Woodsia. 

 Intramarginal (Lat. inira^ with- 

 in, and tnarg-o, a border), near the 



margin. 

 Involucre (Lat. involvere^ to wrap 



up), the indusium. 

 Isoetaceae, 142; also37.— Literature 



of, 38. 

 Isoetes, 142 ; also 37, 38. 

 Isosporous (Gr. to-os, equal, and 



ffTTOpds, a seed), producing spores of 



one kind. 



Lace-fern. K/V^ Chellanthes. 

 Laclnia (plu. /<7«m/«) (Lat. the lap 



pet of a garment), a long narrow lobe. 

 Lady-fern. Vide Asplenium. 

 Lanceolate (Lat. ianceola^ a little 



spear), lance-shaped. 

 Lepidodendracese, 63. 

 Lichens, 55- 

 Ligula (Lat. a strap), a triangular or 



somewhat elongate stipule-like organ 



of the leaf in Isoetes^ situated above 



the sporangium. 

 Linear (Lat. linea^ a line), long and 



narrow. 

 Linnaeus, definition of species, 41.— 



System of, 47. 

 Lip-fern. Vide Cheilanthes. 

 Lobule (Lat. lobulus^ diminutive of 



lobus, a lobe), a small lobe. 

 Lomarla. F/flT^ Struthiopteris. 

 Lunate (Lat. luna^ the moon), cres- 

 cent-shaped. 

 Lunulate (Lat. lunula^ diminutive 



of luna^ the moon), smaller than 



lunate. 



