40 



according as they are guided by ap- 

 parent or by tjieoretioal similarity ._ A 

 spike-like panicle, wliere the axis is 

 divideci into very short branches 

 forming a cylindrical compact ipflores- 

 penoe, is called sometimes a spike, 

 Bometimes a panicle. If the flowers 

 are in distinct clusters along a simple 

 axis, the infloresoenoe ip described as 

 an interrupted spikp or raceme, ac- 

 cording as the flowers are nearly sessile 

 or distinctly pecjicella,te, although when 

 closply examined the flowefs will be 

 found to fje inserted not on' tjie main 

 axisj but on a very short branch, thus, 

 strictly sp'eaking, constituting a pani- 

 cle. The Catkins (amenta), the spadices 

 pif several Monocotyledons, the ears 

 and spikelets of Grs^sses, are forms pf 

 ^he spike. 



In'jpra-axil'laet— Originating below the 

 axil pf the leaf. 



Inmao'tus— touch broken. Synonym for 

 "Inflexus." 



iNfUJJDIBU'Lll-OEM, iNFUNDIBtl'LIFOKMIS — 

 Shaped like a fpnpel, like the flowers 

 of Morning Glory. 



Inna'tb, I.nna\iis— Where the point of 

 attachment is at the apex,, as in some 

 cases of the anther to the filament. 



iNNOO'noDS— Harmless. 



Inophyl'lus — Veins of leaf thread-like. 

 (See the lateral veins cf the foliage ef 

 CaJophyllum inophpUum, the Domba 

 tree. ) 



I'nop's— Poor, deficient, wanting. 



In'qdinans— Stained. Example : Pelar- 

 gonium inquimms, the parent of most 

 of the so-called Scarlet Geraniums. 



Insbsb'tjon — The mode in which one body 

 is connected to another, where it ap- 

 pears to have been attached to it, 

 though in reality it has grown from it ; 

 as the leaf on the branch, the brancli 

 on the stem, &c. 



ISlDDFBBOus-^Bearingisidiose excrescences. 

 IsiDiqsE— Having powdery coral-like 

 excrescence. 



Insig'njs — DiTotable ; as thfit pretty annual, 

 NentopMla insignis. 



IkspIs'satbd — Thickened ; spoken of sap or 

 other liquon 



In'ieqee — lintijre. Integ^b'bima — Very 

 eptire. Besides being perfectly free 

 from incision, this term implies a slight 

 t^iic^cening of the margin, ^s though it 

 were bordered. (See also Asplmium 

 aftenudtum, var. integrum,.) 



Jntkg'dmbntum, Integument—.^ portion 

 closely investing or merely surrounding 

 another. Thus, the parts of the 

 perianth are styled the " floral integu- 

 ments " because they closely iiivpst the 

 stainens ^ and_ pistjls in the bud state, 

 ^he seminal integuments are the coats 

 yi'hich inyeist tjie kernel of the seed. 



Iktkb'cala'tbd — luierspersed, placed 

 between others. 



Inteb'cej^'lulae— Betweeii the cells. 



Jntbbnode' — A part of the stem between 

 two nofles. 



IntEbbup'ti'S, Iniekedpted— Where sym- 

 metry or regularity of outline ot com- 

 posjtipp is partially destrpypd. 



Inteqese'— TuTOfid inwards, or tpyvards 

 the axis of the p^rt to wjnqh it is 

 attached. The dehiscence pf aii anther 

 is introrse when the opening f*pes the 

 pistil. 



Intbbsti'mal — Placed between. 



Inverse' — Where the apex of ope orgap is 

 placed in ap opposite direction to that 

 of another with which it is contrasted. 

 The "e(nbryo" is said tp be inverse 

 when the radicle is directed aw£|.y from 

 the hilum towarcjs a poirit immediately 

 opposite to it. (See also Carex inver^a,.) 



Invold'oee, Involu'cecm— -A cover. A 

 whorl of bracts, free or united, seated 

 on the peduncle, either near pt at some 

 distance below the flower or ^pwers. 

 Involuobl'lum — A "partial" involu- 

 ofum. lNVO|,U0EATp^— Furnished ^vith 

 an involucre. (See Hibiscus flowers.) 



In'voldte, Involu'tions, iNVOLtfinS— 

 Where the edges of a foli^pon? organ 

 are rolled inyvards, 



IfEBEo'ctAE, Ieeegula'eis— Exhibiting a 

 want of symmetry. Used also synony- 

 mpusly with "Unequal." 



Ieeitabil'ity, Ieeitabil'itas, IebitVbius 

 — A vital property bj vjfhio]} certain 

 pq.rts in some plants exhibit the 

 phenomenon of spontaneous motion, 

 wh^n un4er the influence of particular 

 stimuli. By some this is considered 

 to be merely an extreme case of 

 excitability. (See flowers of Stylidi'Um, 

 the Air-triggBf plant.) 



Isoch'eous — Possessing a upifonpify of 

 colour throughout. 



Isola'tbd — Detached, placed by itself. 



Isqme'bous — When each whprl pf a flower 

 contains the' same humter of parts. 



I'SOSPOBB — Applied tp spores which are afi. 

 of one size, or kind, in the same plant. 



Isoste'monous, Isostemo'nus— a flower 

 which has stanqens equal in niinjljer to 

 the petals. 



Ithtphtl'lus — AYhere a leaf is sti5 and 

 straight. 



Japon'ioum — Belonging to Japaq, as 

 CamdHa japonica. - 



Jobdlle'nsis — As Cwphm joruUensis, fpi^nd 

 upon Mount JoruUo, in Mexicp. 



Ju'ba — A mane ; the tops of trees. A 

 loose panicle, as in the case of tbe male 

 flowers of Maize. Aiso, s^ deppe 

 cluster of awns, ^s in the spikes, of 

 some grasses. 



Ju'gum ( Juga, pairs) — Applied to a pair of 

 leaflets ; thus a leaf may be lini jugate, 

 bijugate, or niultijugate, apcording as 

 there are 1, 2, or nrjany pairs of leaflets. 



Ju'lifoem — Formed like an appipnjiuiii pr 

 catkin. (See the infiprescepce pf many 

 Acacias — 4- Cuniiinghamii, for in- 

 stancej 



JuN'cEA--Iiush-like, as the stems of Bus- 

 selia juncea. 



Keel (Carina)— A projecting ridge, rising 

 along the niiddlo of a flat or curved 

 surface. Also the tVo lowermost, and 

 more or less combined, petal? of a 

 papilionaceous corolla, 



Kebmesi'nus— Carmine, £v p^rp red. 



