Descriptions of Three Hundred New Species of South American Plants: With an Index to Previously Published South American Can Species by the Same Author (Classic Reprint) - Softcover

Rusby, H. H.

Softcover

ISBN 10: 1332219756 ISBN 13: 9781332219759

Verlag: Forgotten Books, 2018

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Reseña del editor

Excerpt from Descriptions of Three Hundred New Species of South American Plants: With an Index to Previously Published South American Can Species by the Same Author

Staminate Plant - Glabrous, the branchlets slender, finely sulcate, the internodes about 5 cm. Long. Petioles about 15 mm. Long, slender, slightly broader toward the summit, narrowly channelled. Blades 5 to 7 cm. Long, to 4 cm. Broad, ovate, the base from truncate to very shallowly and broadly cordate,. Acuminate and attenuate at the summit, very thin, 5 to 7 nerved, the venation very finely reticulate. Racemes numer ous, 7 to 10 cm. Long, very slender, short-peduncled, bearing the flowers mostly 2 together on a slender peduncle about as long as the pedicels or a little shorter and subtended by a scari ous lanceolate bract, nearly as long as itself. Pedicels about mm. Long, slender, the flower nearly 3 mm. Broad, the peri gone lobes nearly twice the length of the tube, lance-ovate, obtuse. Stamens 6, distinct except at the very base, the slender filaments as long as the perigone-tube, the anther-cells con tiguous. Staminodia none.

Pistillate Plant - Racemes 15 to 20 cm. Long, slender, loosely flowered, slenderly peduncled. Flowers sessile or the short pedicels adnate to the rachis, the bractlets ovate, scarious, about mm. Long. Ovary 5 mm. Long, linear, pubescent, the perigone 2 mm. Broad, the tube crateriform, ribbed, the lobes lanceolate, obtuse. Defective stamens 6. Three styles united, except at the summit, Where they are 2-lobed. Fruit 18 mm. Long, IO mm. Broad, elliptical, light-brown, glabrous, tipped by the persistent perigone.

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Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Reseña del editor

Excerpt from Descriptions of Three Hundred New Species of South American Plants: With an Index to Previously Published South American Can Species by the Same Author

Xanthosoma(§ Acontiam) bilineata.

Glabrous. Corm 3.5 cm. broad, 2.5 cm. high, the roots dense on sides and base. Petioles about 4.5 dm. long, the lower half gradually dilated and sheathing at the base. Blade 15 to 20 cm. long from summit of petiole, the lateral lobes extending about 5 cm. farther down, its extreme width 2.5 to 3.5 dm. Middle lobe 12 to 15 cm. broad, ovate with an abrupt very short triangular acute acumination. Lateral lobes 14 to 18 cm. long, 7 to 9 cm. wide, inequilaterally ovate, acutish, the base somewhat angular or lightly hastate. Leaf thin, the primaries broad, flat, the secondaries of the middle lobe about 12 on a side, of the lateral about 10, somewhat decurrent on the primary, widely spreading, little curved, the marginal line double, a strong undulating one 3 mm. from the margin, a more slender one at the margin, the intervening fine venation very loose and slender. Peduncle (only one seen) 18 cm. long, stout, erect. Tube of spathe 3 cm. long, 12 mm. wide, as pressed, the limb 8 cm. long, 2 cm. broad in the closed and pressed state, acuminate and acute, white. Dissection material wanting.

"Spathe white. In a plantain patch, shady open ground in a damp place at Onaca, 2500 feet. Abundant, August 16." (Herbert H. Smith, Colombia, No. 2475.)

Tillandsia (§ Pseudocatopsis) triangularis.

More or less finely furfuraceous, especially above. Leaf bases forming a dense imbricated mass, 8 cm. broad, 10 cm. high; triangular, flat, 3 cm. wide, abruptly contracted into the leaves which are 7 to 12 cm. long, and about 4 to 6 mm. wide, tapering to a fine point, the nerves very numerous and fine. Peduncle and panicle each about 15 cm. long, the scales of the peduncle closely appressed, 2 cm. long, ovate, acute. Branches of the panicle close together, 3 to 6 cm. long, simple, subtended by bracts similar to those of the peduncle, the flowers distichous, thick, about 3 to the cm. Floral bract 6 mm. long and broad, obovate with sub-truncate, minutely mucronulate summit, about 20-nerved. Calyx 5 mm. long, the sepals ovate, obtusish, nearly as broad as long, not keeled, the nerves obscure.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Über diese Auflage

• Verlag: Forgotten Books
• Erscheinungsdatum: 2018
• ISBN 10: 1332219756
• ISBN 13: 9781332219759
• Einband: Tapa blanda
• Anzahl der Seiten: 176