. The American entomologist and botanist. of the river I found great quantities of itin bloom. The usual flowering season of thisplant is May and June. I did not observe anyberries on the plants at this place. Here, too,in abundance, was tne wild Strawberry {Fra-garia Virginiana) in full bloom! But thepeople said it had fruited in July. There are some climatic peculiarities of thislocality. Although only thirty miles west ofthe city of Green Bay, navigation opens herethree or four weeks earlier than at the latter 380 THE AMERICAN place, and the ice does not block up the harborfor several weeks
. The American entomologist and botanist. of the river I found great quantities of itin bloom. The usual flowering season of thisplant is May and June. I did not observe anyberries on the plants at this place. Here, too,in abundance, was tne wild Strawberry {Fra-garia Virginiana) in full bloom! But thepeople said it had fruited in July. There are some climatic peculiarities of thislocality. Although only thirty miles west ofthe city of Green Bay, navigation opens herethree or four weeks earlier than at the latter 380 THE AMERICAN place, and the ice does not block up the harborfor several weeks after boats cease to run toGreen Bay city. Do the before named plantshave a double season of flowering in this locality ?The varied hues of the foliage of trees, especi-ally the smaller species of Maples, was verybeautiful, clearly showing that the change inthe color of the leaf is due to an actual ripening,and not to the action of frost. RUE-LEATED SPLEENWOKT. {AspZenium, ruta-muraHa, L.) ?BY J. WILLIAMSON, LOUISVILLE KY. [Fig. 229.]. Eue-Leaved Spleenwort (,Atplemum ruta. This fern is a spleenwort, belonging to thegenus Asplenium of the great group of Polypo-daceus Ferns. This group is distinguished fromthe other two groups, OsmundacecB and Ophio-glossacem, by having their spore cases girt withan elastic ring. The word Asplenium was applied by old au-thors to those kinds of ferns that were supposedto possess some virtues in curing diseases ofthe spleen. Modern authors classify the Spleen-worts and all other Ferns on a more definite •Explanation of the Figure.—a, Plant, natural size;6, back of tlie frond, stiowiuj^ the sori or fruit dots; c, upperside of the fronds; d, yoiiu^ fronds growing from the tuttedrootstock showing their circinate vernation; e, old frondsbroken off. principle, that is, the arrangement of the fruit,or sori, and the form of the indusium., or frui1>-cover. Asplenium ruta muraria is a small evergreenfern two to four inches long; root tufted, fibrou
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Keywords: ., bookcen, bookdecade1870, booksubjectbotany, booksubjectentomology
