Ill BE 



W$z Crea£urg at 28otany. 



620 



was originally applied to the amaryllida- 

 ceous plant called Clivia, which latter 

 name has superseded it ; and its author, 

 Sir W. J. Hooker, has since transferred it 

 to a related Natal plant of great beauty, 

 which he calls I. miniatum. This plant 

 forms a stemless herb, with thick fleshy 

 roots, ample distichous lorate leaves em- 

 bracing each other at the base, and a tall 

 plano-convex scape bearing an umbel of 

 many large showy flowers of a bright 

 orange-tinted vermilion. These consist 

 of a six-leaved perianth, with a very short 

 tube and broad obovate-lanceolate nearly 

 equal segments, spreading into a broadly 

 campanulate form ; there are six stamens 

 with thickish subulate filaments, and a 

 thick slightly decurved style with a trifid 

 stigma. The seeds are bulbiform, about 

 j the size of a horsebean. [T. M.] 



IMBERBIS. Having no hairs. 

 IMBRICATED. When bodies overlap 

 ! each other like tiles on a roof. 



I IMBRIOARIA. A genus of sapotaceous 



I trees natives of Bourbon, Mauritius, &c. 



| The flowers have eight sepals in two rows ; 



a corolla divided into several segments, 



arranged in three rows ; sixteen stamens, 



I eight of them fertile and eight sterile; 



| and a fleshy fruit, with eight one-seeded 



: cells. The fruits of 2". malabarica and I. 



maxima are edible. [M. T. M.] 



IMHOFIA. A genus of Amari/lUdaccce, 

 allied to Brunsvigia, and consisting of 

 Cape bulbs characterised by the flowers 

 having a very short straight tube and a 

 spreading or reflexed limb of six nearly 

 equal segments, six stamens with equal 

 filaments enlarged at the base, and a 

 straight, style with an obtuse three-eor- 

 ! nered stigma. They have filiform leaves, 

 j and a solid scape bearing at top a many- 

 flowered umbel of white flowers, often 

 ; marked with red. The name was originally 

 I intended for Amaryllis mar gin at a, a, plant 

 which is now referred to Nerine. [T. M.] 



IMMARGINATE. Having no rim or 

 edge. 



IMMEDIATE. Proceeding directly from 

 a part, without the intervention of any 

 | other part ; as the flower-stalks of a ra- 

 i ceme. 



IMMOBILE, IMMOBILIS. Immovable ; 

 j that is to say, not having a free motion on 

 i the part which bears it ; as many anthers. 



IMMORTAL FLOWER. A name ap- 

 I plied to the various common species of 

 i Helichrysum, Antennaria, Gnaphalium, &c. 



IMMORTELLE (Fr.) Xeranthemum ; also 

 Hehpterum and Heliclm/sum, especially 

 H. orientate ; also the wood of Erythrina 

 glauca, — BLANCHE or DE YIRGINIE. 

 Antennaria marqaritacea. — DE LA MAL- 

 MAISON. Hrhchrysum bracteatum. — 

 JAUNE. Behchrysum orientate. — VIO- 

 LETTE. Gomphrena globosa. 



IMPARIPINNATE. When the petiole 



of a pinnate leaf is terminated by a single 

 leaflet. 



IMPATIENS. A genus of Balsaminaceaz, 

 chiefly found in India, though a few spe- 

 cies occur in Europe and North America. 

 They are generally glabrous herbs with 

 thick succulent stems enlarged at the 

 joints, where the alternate undivided 

 leaves are given off. The flowers are ax- 

 illary, often handsome, and so very irre- 

 gular that considerable difference of opi- 

 nion exists as to which parts belong to 

 the calyx and which to the corolla. The 

 view taken by Kunth is by far the most 

 probable, namely, that two outer small 

 scale-like leaves, a large h od-shaped and 

 spurred coloured lower sepal, and an up- 

 per coloured portion composed of two 

 united together so as to appear but one, 

 form an irregular imbricated calyx of five 

 sepals. Within this there are two pairs of 

 petals, unequally cleft nearly to the base. 

 The stamens are five in number, with the 

 filaments united above ; and in the centre 

 is the five-celled ovary with a sessile lobed 

 stigma. The capsule is oblong, subcylin- 

 drical.orwith five blunt angles. The valves 

 separate and roll up when touched after 

 the seeds are ripe. I. Balsamina is the 

 much-cultivated Garden Balsam, which 

 readily becomes double, and of which the 

 flowers are very variable in colour, a na- 

 tive of India. /. Noli-tangere, the Touch- 

 me-not, is found apparently wild in Britain, 

 and is frequent in Europe; the flowers in 

 this species are yellow. [J. T. S.] 



IMPERATORIA. Peucedanum. 



IMPERIALE. (Fr.) Fritillaria imperia- 

 lis. 



IMPLEXOUS. Entangled, interlaced. 



IMPREGNATION. The fertilisation of 

 the ovule by the pollen-tubes. 



IMPUBERA (^ETAS). The period of 

 maturity in fruit anterior to the fertilisa- 

 tion of the ovules. 



IN^EQUALIS. Of unequal or dissimilar 

 size. 



IN.EQUILATERAL.IN^QUILATERUS. 

 When the two sides of a figure are not 

 symmetrical ; as the leaf of a Begonia. 



INANIS. Empty, not containing any- 

 thing ; or merely filled with a loose spongy 

 substance. 



INANTHERATE. Bearing no anther; 

 applied to sterile filaments or abortive sta- 

 mens. 



INAPERTOUS. Not opened, although 

 its habit is to open. 



INCANESCENT. Havinga hoary or grey 

 aspect, because of the presence of hairs 

 upon the surface. 



INCANUS. The same as Canus ; hoary. 

 INCARNATUS. The same as Carneus. 

 INCARVILLEA. A genus of Bignonia- 

 ceoe containing now only a single species, 



