13 



JUNGERMANNIA SERRULATA 



Cryptogamia Hepatic.^. Nat. Ord. Hepatic*. 



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Gen. Char. Receptaculum commune nullum. " Cal^x monopliyllus, 



tubulosus, (raro nullus). Capstila 4-valvIs, seta calyce longiore. 



Jungermannia serrulata ; caule erectiusculo ramoso, foliis distichis 



pateiitibus emarginato-bifidls conduplicatis marginibus imbricatis 

 spinuloso-dcntatis, stipulis his similibus sed nilnoribus plaiiius- 

 culis, calyce terxninali ohlongo subplicato acuminatoj ore dentate. 



(Tab. X.) 



Jungermannia serrulata. Hook. Brit. Jnng. t. 88. 

 /3. purpurea. 



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Hab. /3. In Brasilia, prope Rio Janeiro. Z). BurcJielL 



Caules laxe caespitosi, suberecti dichotome ramosi, non raro proliferi, 

 duas vel tres imcias longi. Folia pulcherrime purpurea, vix 

 lineam longa, patentia, suborbiculata, longitudinaliter condupli- 

 cata, lateribus incurvis imbricatis remote dentato-spinulosis, apice 

 emarginato-bifida, minute reticulata, areolis oblongis. Stipul^e 

 rotundatae, planiusculae apice bifidas, marginibus spinuloso-den- 

 tatis. Calyx terminalis, foliis perichaetialibus laciniatis basi cinctus, 

 sesquilineam longus, oblongus, purpureus, subplicatus, versus 

 apicem praecipue, ore breviter laciniato. Ftmctum non vidi, sed 

 intra calycem, germen oblongum parvum stylo terminatum, pis- 

 tilla abortlva tria vel quatuor gerens. 



Among several very interesting plants obligingly communi- 

 cated to me by Mr. Burchell from Rio Janeiro, is the present 

 beautiful variety of a species, which has already been found 

 in Jamaica and in the Isle of France. It appears therefore 

 to have a widely extended geographical range. 



Fig. 1. Plants {not. size). Fig. 2. Portion with the calyx, and seen 



from the anterior side. Fig. 5. Portion of the stem and leaves, 

 seen from the posterior side. Fig. 4. Single leaf. Fig. 5. Sti- 

 pule. Fig. e. Portion of a leaf. Fig. 7. Pistil bearin 



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abortive pistils \—magniJied. 



