207 rlen+. sent to rae by ^r. H. I.Ie.rloth, upon v;hich v/as one deed flower. 

 "Vhe stipTT^s are es shov:n £.t L. This rl^nt d-. oviforme, ^-.S.Jjr.) 

 is ?n p.noniplou'^ one, the node of crov/th is as in t7'-pe ^., but the 

 cotyledons have little reseinblnnce to the grov.'ths of the adult plrnt, 

 anc" the stifmias prise directly from the ton of the ovary, vdthout 

 a st3rl-e. 



TJ . In this type the cotyledonery body and the growth that suc- 

 ceeds it (consisting- o-f e sinrie body resembling the cotyledon?^ry 

 bc^y) and the f?rov?ths of the adult piant,^ differ _but slightly in 

 o'enera'' ^T^neerance, excpr>t ps to size, ■t'ig 84, '■--^ represent this 

 tvne, whose peculiar mode of p-rov/th ^'ill be explained hereafter; 

 to it belonp- the species constituting what is known as the 3phaer- 

 oid r'rou^. 



Possibly there may be other types, but I have not yet seen 



them. 



?ig. 94. A, B-M. lone-urn; G, ->-- ^". celrmiforme; ^, i^' — ^-. 

 dol^'bri-^orne; G, H — I.!, testiculare; of each of the above a fully- 

 rro-'-Ti seed"! inp- in the cotyledonrry stage, frnd v.-hen it is producing 

 its first '^pir of leaves, is represented. I, L — I:, oviforme; I, 

 the cot^'-ledonpry st'^'^e, ^nd J', -the same when producing its first 

 (P'rov-'th, enlarged four diameters; ^, an adult rlrnt, natural size, 

 pvA L, the stip-mas, enlarged. M, — M. piluifbrme. P, R — 1-. 

 nseuf'otrTincatellum. I- and I" rer.resent seedlings one day old, 

 enlor??-ed; N end Q, the same seedlinf^s in the full-grown cotyledon- 

 ary stafre, lust before the skin c'ries ur^, nrturrl size; is t.n 

 adul''" seedling, npt^irpT size; R, a ^''oung riant after it has cast 

 the skin of the cotyledons, natural size. 



V<'e thus hr^ve in the different manner of develo'^ment of the 

 seedlinp-s an indication of a difference of generic inrortf-nce, 

 v.'hich in some cases is combined with structural differences in the 

 flowers that are easily seen, so es to render the generic separation 

 of some of these pir-nts from I-eserabrypnthemum not only v/arrentpble, 

 but desirrble, on account of the unwieldy size of thr-t genus. 



'^urninf no^- to their vegetative characteristics and mode of 

 flo-f'^finff "'e find amon^'- these nlpnts ome o^ the most extr? ordinary 

 thpt exist, for they are absolutely unique, there being nothing 

 else like them in the vegetable kingdom. The shrubby species and 

 those ■'"ith prostrate stems usually develo'^ more thpn two or three 

 T>m'rp of distinct leaves annurlly, Fnd there is nothing remarkable 

 about their mode of grovrth. But the densely tufted or stemless 

 species seldom develop m.o^e than 2-3 pairs rnnually and rlso are 

 not remprkpble. In the curious group to which I'l. rostr-^tum, ^-. 

 bifidum, -'. vescura, etc. , belonrr, each vegetative grov/th develors 

 two dissimilar r>«^irs annually; one pair being united for a greater 

 lencrth pt the base than the other pair which rrotrudes from the 

 she<^th thus formed hy the first pair, -^omietimes also the alterna- 

 ting paiTs pre dissimilar in shape, one p^ir being toothed ^on the 

 b^ck at the PT>ex and the plternptinp- pair vdthout teeth. I»i^ost of 

 this p-roui^ hpve their leaves of a very o-lpucous-green or even v/hit- 

 ish colour and usually Plentifully dotted. _'^is whitish or glau- 

 cous ^^•^■nearpnce is common to many kinds of ^'esernbryanthemum and is not 

 opused by a v/ax-"- deposit or "bloom." on the surfpce that v/ill "rub 

 of-f, but by a derosit of lime crystals in the substrnce of the 

 outer ■'•'ell' of the e-^ir'erm.pl cells, v.'hich act as e screen to protect 

 the chlorophyll from beins injured by intense light. Under cultiva- 



