Ferns Of Southern Africa PDF Download

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 edition. Excerpt: ...containing several more or less natural sub-genera, of which three or four are represented in South Africa. All our species have free veins, but a few foreign species have them anastomosing. Most of the species are very beautiful, and many of them favourites in cultivation, and easily grown. Some of the species vary excessively in cutting, and some of them even range into different sub-genera. Synopsis of the species: -- Sori linear or oblong, straight, not marginal (Eu-asplenium, Bkr.). + Frond simply pinnate, lanceolate, not more than two inches broad. 66. A. Kraussii. Frond four to six inches long, one-half to three-quarter inch broad, not proliferous, but the plant bearing separate leafless, proliferous fronds. Pinnx sessile, sharply toothed. Kachis green, fragile. 67. A. Sandersoni. Frond three to six inches long, one-half to threequarter inch broad, proliferous at the apex. Pinna: stalked, with three to five blunt lobes. Rachis green. 68. A. Trichomanes. Frond four to eight inches long, half-inch broad; pinnae almost round, sessile, minutely toothed. Rachis black, not margined. 69. A. ebeneum. Frond three to fifteen inches long, one-half to one and a half inches broad; pinnse sessile, ovate or oblong, often auricled, serrate; rachis black, not margined. Sori several on each side of the mid-rib. 70. A. monanthemum. Frond one to two feet long, one-half to one and a half inches broad; pinnae almost sessile, rhomboidal. Sori solitary along the lower edge. Rachis black, naked. tt Frond pinnate or two-pinnate, lanceolate, not more than three inches broad. 71. A. erectum. Frond one-half to two feet long, three-quarters to three inches broad; pinnae entire or pinnate in the different varieties. Rachis edged with green, glabrous. Sori...