. Class-book of botany [microform] : being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. UBD£B 160.â Order CLX. FILICES. Ferns. Stem a perennial, creeping, horizontal riiiznrae, or sometimes erect and ariiorea- cont. Fronds (fruit-bearing It ^u'ofii vu- riouwly divided, rarely entire, with furliod Vtina, and mostly circinate vernation. Fructification occupying the back or mar- gin of the fronds, arising from the veins. Sporangia (spore-cases) of one
. Class-book of botany [microform] : being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. UBD£B 160.â Order CLX. FILICES. Ferns. Stem a perennial, creeping, horizontal riiiznrae, or sometimes erect and ariiorea- cont. Fronds (fruit-bearing It ^u'ofii vu- riouwly divided, rarely entire, with furliod Vtina, and mostly circinate vernation. Fructification occupying the back or mar- gin of the fronds, arising from the veins. Sporangia (spore-cases) of one kind, scat- tered or clustered in sori, 1-celled, con- tiining numerous, mimitf spores, ^l?i- thiridia and pistiUidia after ger- mination, on tho young plant. (See llt's. 491â501.) Gfiiera 200, »j)rcitx 2<l0(i.âA l;irco and In- tcrobting oidor of flowv^rk'ss pliiirs, distin- for their elegant, plimic-lil- â foliiiije. Thoy are usually A few inciies to .. few fert high, but soiuo of tlie tropical *, as the Cyntlieie of both Indies, arc 1'â25 feet high, vieing with the palms In size und beauty. Properties. â Genernlly nuicilaginous and mildly astringent, henco considered jiectoral. Aspidiuni and I'teris are antlielniiniic. Os- regalis has been successfully adiiiinis- tered for the rickets. ;<ervation.âThe fructification of the ferns with its various appenditires, ia too minute to be well observed by the naked eye ; but iin examination of it with the aid of ;i good lens eannot foil to be interesting and satisfactory. 815. 739 Polypodinm vulgaro. 740 Frond. 741 Lobe of the frond enlarged, showing the eoii. 742 One of the sori enlarged, showing the spor- angia. 748 One sjiorango further magnitled, bursting mid discliarging tlie spores. 744 Soriis of Aspidiuiti marginale covered with tho indu* slum. 745 Same, side view. SUBORDERS AND GENERA. { Frond canline, solitary, straight in vernation. Stem erect, (a) S Fronds cauline,
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
