. A dictionary of the flowering plants and ferns. Botany. 57° RONDELETIA Rondeletia L. Rubiaceae (r. 3). 60 warm Am., Ronnbergia E. Morr. et Andre. Bromeliaceae (4). 2 Colombia. Root, the organ for absorption from the soil (in most cases); adven- titious -, see Adv. Root; aerating -, aerial -, see Aer. and Aer. Roots; apogeotropic -, Bo-venia; - as suckers, see Parasites; - as tendrils, Vanilla; -as thorns, Acahthorhiza; -as tubers, Bravoa, Dahlia, Dioscorea, Paeonia, Thladiantha, Uragoga; bitter -, Lewi- sia; buttress -, Pahnae, Pandanaceae; -cap, Lemua, Panda ni/s; - climbers, see Climb
. A dictionary of the flowering plants and ferns. Botany. 57° RONDELETIA Rondeletia L. Rubiaceae (r. 3). 60 warm Am., Ronnbergia E. Morr. et Andre. Bromeliaceae (4). 2 Colombia. Root, the organ for absorption from the soil (in most cases); adven- titious -, see Adv. Root; aerating -, aerial -, see Aer. and Aer. Roots; apogeotropic -, Bo-venia; - as suckers, see Parasites; - as tendrils, Vanilla; -as thorns, Acahthorhiza; -as tubers, Bravoa, Dahlia, Dioscorea, Paeonia, Thladiantha, Uragoga; bitter -, Lewi- sia; buttress -, Pahnae, Pandanaceae; -cap, Lemua, Panda ni/s; - climbers, see Climbing PI.; fibrous -, in tufts of uniform length, as in a grass; - hairs, the absorbing hairs near the tip of a root; paint-, Lachnanthes; parasitic -, see Parasites; Par eira-, white, Abnta ; -rubber, Carpodinus, Clitandra ; -stock, an erect, short rhiz., as in many ferns; true -, the result of the radicle of the embryo; waterplant -, see Water PI. Ropalocarpus Boj. Tiliaceae. 3 Madag. Ropourea Aubl. Verbenaceae (inc. sed.). i Guiana. Roridula L. Droseraceae. 2 S. Afr. Like Drosera, but with no movement of the leaf-tentacles. Roripa Scop. (Nasturtium R. Br. ). Cruciferae (2). 50 ^_. Rosa Tourn. ex L. Rosaceae (in. 6). 100 N. temp, and on trop. mts.; 6 in Brit., incl. R. canina L., the dog-rose. The thorns are epidermal appendages. The fl. of R. canina is a pollen fl. The fr. (hip) consists of a number of achenes enclosed in the fleshy recept. which closes over them after fert. R. centifolia L. is the form from which the cabbage rose is derived; and numerous forms of this and other sp. are cult, (see Nat. PJJ.}. Otto of rose is distilled mainly from R. damascena Mill., cult, in the Balkans. [E. Willmot, The genus Rosa, London 1914; Baker, Revised Classification of Roses in Journ. Linn. Soc. 35, 1905, p. 70.] Rosaceae (EP. ; BH. incl. Euciyphiaceae). Dicots. (Archichl. Resales). 100 gen., -2000 sp., cosmop. Trees, shrubs and herbs, usu. perenn.; 1. alt. (exc. Rhodotypos), sim
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