The Book of the Iris - Softcover

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904. Excerpt: ... PART II CLASSIFICATION AND DESCRIPTION WITH NOTES ON SPECIAL CULTURE KEY TO SECTIONS I. Rootstock A Rh1zome. A. Falls without crest or beard. Section Apogon, p. 58. Ex. /. unguicularis, I. sibirica. B. Falls with pubescence in the place of beard, leaves green as in I.japonica,with marked difference between an upper and a lower surface. Section Pardanthopsis, p. 87. One species, /. vertta. C. Falls with a distinct crest on lower part of blade and down the claw, no beard. Section Evansia, p. 89. Ex. I.japonica, I. tectorum. D. Falls with a rudimentary crest from which springs a beard. Section Pseudevansia, p. 95. Ex. /. Kingiana. ss E. Falls with a broad diffuse beard,segments very round, stem with one flower only. Section Oncocyclus,1 p. 99. Ex. /. iberica, 1. susiana. F. Falls with linear beard, stand ards usually with similar beard, all segments narrow and pointed, stem with two or even three flowers, spathe-valves always per-sistently green, rootstock with new buds separated by a neck. Section Regelia,1 p. 116. Ex. I. Leichtlini, I. Korol-koivi, 1. vaga. G. Falls with a narrow beard down the lower part of blade and the claw, stand-ards rarely bearded, root-stock without rounded swellings separated by a neck. Section Pogoniris, p. 120. Ex. I. pumila, I. variegata, I. pallida, I. germanica. II. Rootstock Bulbous. A. Standards large erect, stamens not adhering to style-branches. Section Xiphion, p. 153. Ex. /. Xiphium, I. reticu-lata. 1 N.B.--Hybrids between Oncocyclui and Rtgelia may have a beard which approaches or equals that of either section. The flowers may be almost the same as Oncocyclus, but there are two usually to each stem. B. Standards very small, spread ing. Section Juno, p. 17O Ex. /. orchioides, I. persica. C. Standards erect, stamens ad he...