. The fern lover's companion; a guide for the Northeastern States and Canada. ments I)road, froiul withont hairs. 01)tuse liispidulous, with white jointctl hairs beneath. Rocky ]\[ountain bright green, pinna ghibrous, oblong. Oregon dull green, lanceolate, glandular beneath. Cathcarts obscurely jointed near the base: Fronds more or less chaffy, i)inna oblong to ovate,crowded. Rusty Wootlsia. Fronds linear, smooth, pinn;e deltoid or orbicular. Smooth Woodsia. Fronds lanceolate, a few white scales beneath; pinn;e deltoid-o\ate. Alpine Wo
. The fern lover's companion; a guide for the Northeastern States and Canada. ments I)road, froiul withont hairs. 01)tuse liispidulous, with white jointctl hairs beneath. Rocky ]\[ountain bright green, pinna ghibrous, oblong. Oregon dull green, lanceolate, glandular beneath. Cathcarts obscurely jointed near the base: Fronds more or less chaffy, i)inna oblong to ovate,crowded. Rusty Wootlsia. Fronds linear, smooth, pinn;e deltoid or orbicular. Smooth Woodsia. Fronds lanceolate, a few white scales beneath; pinn;e deltoid-o\ate. Alpine Woodsia. The Woodsias Small, tufted, pinnately di^ided ferns. Fruit-dotsborne on the back of simply forked, free ^?eins. Indusiumfixed beneath the sori, thin and often evanescent, eithersmall and open, or early bursting at the top into irregidarpieces or lobes. (Named for James Woods, an Englishbotanist.) (1) RcsTY Woodsia. IVooJsia ilrensis Fronds oblong-lanceolate, three to ten inches high,rather smooth above, thickly clothed underneath with 158 The Fern Lovers Compaxion. Rusty ^oodsia, Woodsia ilvensis rni<; Kkkx Loxkrs (omianiox If)!) , bristle-like chaff. Pinnate, the pinna^ crowded,sessile, cut into oblong segments. Fruit-dots near themargin often confluent at maturity. Indiisium dividednearly in the center into slender hairs which are curledover the sporangia. Stipes jointed an inch or so abo^ethe rootstock. The rusty Woodsia is decidedly a rock-lo\ing fern, andoften grows on high cliffs exi)oscd to the sun; its rootstockand fronds arc covered with siher-white, liair-like .scales,especially iniderneath. These scales turn brown in age,whence tlie name, rusty. As the short stipes separateat the joints from the rootstock, they leave at the base athick stubble, which .scr^es to identify the fern. Exposedrocks, Labrador to North Carolina and westward. Rathercommon in New England. Said to be xevy abundant onthe trap rock hillocks about Little Falls, N. J., whereit grows
Size: 1585px × 1576px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookidcu3192400171, bookyear1922
