. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. MOSSES WITH A HAND-LENS 153 RICCIA. Two of our Riccias included here are readily recognized by reason of their floating habit, in spite of the fact that the capsules are rarely observed. R. PLUITANS L., the Slender Riccia, consists of a very thin slender floating thallus, repeatedly forking (dichotoraous) and often intertangled so as to form small mats. The thallus is very narrow, yj to ^ inch in width and from J4 to 2 inches long. Floating, it ha
. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. MOSSES WITH A HAND-LENS 153 RICCIA. Two of our Riccias included here are readily recognized by reason of their floating habit, in spite of the fact that the capsules are rarely observed. R. PLUITANS L., the Slender Riccia, consists of a very thin slender floating thallus, repeatedly forking (dichotoraous) and often intertangled so as to form small mats. The thallus is very narrow, yj to ^ inch in width and from J4 to 2 inches long. Floating, it has no roothairs but it frequently is left on muddy banks where it sends out numerous roothairs into the soil. Rather Figure 75. Riccia Huitans (After Bischoff.) P. Plants natural size. Q. Portion of the thallus with fruit seen from above. R. The same seen from below. S. Cross section of frond through imbedded capsule. RiCCiocARPUS NATANS (L.) Corda, the Purple-fringed Riccia, is a very different looking plant with its branches obcordate or wedge-shaped, ^ to J^ inch long and nearly as broad. There is a strongly marked furrow along the middle of each branch and an abundance of slender purplish scales underneath. The stomata are large and easily seen with a hand-lens. Frequent in stagnant Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Grout, Abel Joel, 1867-. New York, The Author and The O. T. Louis Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmosses, bookyear1905
