28 J. G. Agardh. 



/ 



fiuctiferîi cxiiiiie conspicua, lial)ilus i>laiila' l'inctifcia' i|U()ijne iuliiioclum <liv('isiis adpareat: i>laiitain 

 (licere.s eloii<;atani, ca's[iitnlis alteiiiantihus ramulnrnin nhsitaiii et apicc ca'siiitnlo consimili cdmo 

 saiii, iiiterstitiis vem ad scniciila laiiicllus siiH|>lic'insciil(js tennis aut iip|)iisitus u'<'rciitil)ns. Iluc 

 modo planta sferilis vix uisi raaiulis oppositis siiiipliciustnilis apiceipie sa'pins iiia,i;is cnnspicm' 

 haiiiatis a Ballia scoparia differt; fructifera vero, ca'spitidis raiiiuloruin alti'inantilms laïunliscpic in 

 apice tiiipreiiio l'oinam mimitissimani raïut'llorum iiiollioinin forniantilnis instrncta, haMdiin offert 

 i]iiodammodo Calllthainnion cruciatum referenteni. 



In itlanta fruetifera utrunique fructiini denuini observare quo(]ue lienit: ntrnnu|ue a ternii- 

 iiali eomosa parte plus luimis transforniata evolutuin. [n planta spliaiosporifeia vidi t'a'sititnlns 

 a nie descriptos a sterilibus paruni divensoK, at ut niihi adpaniit, i-aniellis propius conjunetis, quasi 

 invicein coiiglutiuatis constantes ; in iiis, interioie latere raniolloruni, vidi spluerosporas in laniello 

 niinutissinio démuni panlispei- ranielloso nune sinjrulas in raniello terndnak's, nunc paucas, et ut 

 pntareni triangule <livisas); glomerulos ejusniodi sph:er()s])orarnm ad articulos inferiores ranielli fer- 

 tilis pancos observavi; singulas sph;erosi)oias nieinbrana tenaci et finna eohibitas dicereni. 



In planta favellifera vidi coniain terminaleni multo magis quani in sterili evolutani, extror 

 .siini raniellis honidain et inteiiores partes, liis ramellis cireunicirea (|uasi eoalitis obtectas; sectione 

 longitudiiiali per liane parteni féliciter ducta, vidi favellaiii validam, globosorenifornieni, filis inti- 

 iiiis utriiKpie (infra nneleunil lU'flexis inipositam, et exterioribus sujira nuclenni sese claudeiitil)us 

 obteetam, intra niembraiiaiu, nt mihi adparuit tenaeissiniani et aretins elaudenteni, geniniidia plu 

 rima foveiitem. (-ieminidia extima verticaliter ])osita observare eivlidi; interiora sine or<line con 

 spicno juxtaposita dieeiem, at singnia paulisper disereta, (juasi invieeni ilisjuneta gelatina solide- 

 seente. Hae suadente structura plantam cum Wrançjdia aut Spijrldia nullo modo compaiandam 

 esse, evidentissime adparuit. 



VI. De h-tictil)us Thamnocarpi, Goneris Harveyuni. 



Rjiro, lit putarem, exeniplo iiitcr Florideas adliiic pursi.stit (ietnis, antc soini- 

 Sfeculuin jain creatuiii, (|UO(l(|Uc ))(istea plurihiis detectis spociel)Us aïK^tuin, cnjus 

 tameii fnictu.s tiscpie ad iiostfa teiiipoi'a pennaïunit i'ere it^iioti. Ignota autiMii rnicti- 

 ficationis iiidolc, patet cliai-a(;teres (Tcneris a structura ({uadaui [irojiria fromlis et 

 notis uiagis hahittitilihu.s ah iiiitio dediictos fuisse; ejusmodi tameu cliaractercs 

 ssepius t'allerc multis exeinplis doceut l'dorideœ; et ipsos illos cliaraeteres, (|uil)us 

 Gciius Ilarveynuum ;ili iiiitio iustitutuiu l'uerit, suh diversis evolutiouis stadiis non 

 a)que CDUspieuos oliveuire, c.x ipsa eoruin pecidiari ohvenieutia t'acilius deducere 

 liceret. His deni(|ue aceedit cpiod, ignotis t'ere omuiuo iis eharacteribus fructilica- 

 tionis, (juil)us suadeutihus de afHuitate Floridearuni judicare consuevimiis, non nisi 

 (•( njectiu'n adliuc nititur opinio do afHuitate specieruin, (|Uie (xeneri Tliainuoear|»i 

 huctis(jue relaUe t'ueruut. (iu;e (piidein si ita sint. faeiliiis iulelligere liceal avidos 

 l'uisse de systeuiate Floridearuni serihentes cognoscere iiidoleui t'ruetilicationis pro- 

 priam, qua cognita deniuin certius dijudicaretur, quibus (ienus Ilarveyannni ailini- 

 late pro.xinmni foret. 



Dic^ere fas est struclni-am. (|uani (xeneri novo typi<'aiii judicavil Harvev. haml 

 in omnibus ejusdeni speciebus teipie conspicuani ol)venire. In sjtecie typica ( ieneris 

 stadiuni evolutiouis observaverat Ilarvey, sub (juo spécimen stérile rcfcrt habitum 



