REVISIO 3ELAGINELLAKUM HORTENSIUM. 83 



auriculata (auricula anteriore pallida, indexa, cauli arcte adpressa, ciliis 

 nonnullis instrucla ; posteriore subangulata, rarius ciliata), integerrima, 

 sub microscopio apice denliculata, supra convexiuscula et nervo promi- 

 nulo subcarinala. Folja intermedia sulcis caulis anlicis inserta, duplo- 

 triplo minora, adpressa, oblique ovala, breviter acuminata, oblusiuscula, 

 apice denticulata, margine anteriore plus minusve serrulata, basi sagiltato- 

 auriculata, auricula exteriore latiore obtusa repando-dentata, interiore 

 brevioreet angusliore acuta. Aut in utraque auricula, aut tantum in inte- 

 riore, ciliae nonnullœ observantur elongalse et articulatœ i. e. cellulis 

 2-h compositce. Spiese brèves (2-3"' longœ), latérales, aut ramulis bre- 

 vioribus insidenles, aut omnino sessiles, macrosporangio basilari unico, 

 maxiino, plumbeo-fusco instruclœ. Bractese ovatae, breviter acuminatœ, 

 obtusiusculse, inferne prseserlim denticulatae, immarginalae. Microspo- 

 rangia subglobosa. Microsporgc pallide fuscescentes, ~- mm. crassae, pa- 

 pillis cylindricis truncatis dense muricatœ. Macrosporœ majores | mm. 

 crassae, fuscse , grosse elevato-reticulatœ et minores | mm. crassœ, 

 flavescentes, angustius et tenerius reticulalse. 



30. S. sulcata Spr. monogr. ïï, p. 21 !\ ; Lycopodium sulcalum 

 Desv. 



In Brasilia frequens, nec non in Columbia. In hortis Berolinensibus 

 deest, colitur autem sec. Spring in borto Parisiensi (Lycop. stoloniferi 

 nornine). Habitu 5e/. Martensii aemulatur, sed caule articulato, foliis la- 

 teralibus utrinque auriculatis, auricula anteriore calcariformi, longe de- 

 currente, decolorata, membranacea et ciliata, spicis denique lateralibus, 

 sessilibus aut subsessilibus facile distinguitur. 



B. Platystachyae. 



« b). Resupinatœ. 



31. S. stenophyj.la. Sureulis c basi repente adscendentibus, 

 undique radicanlibus, superne pyramidatim ramosîs, subtripin- 

 natis ; eaule continuo, dorso convexo, faeie carinato et leviter bi- 

 suleato ; radicibus postieis; foliis undique dimorphis, flaeeidis, 

 hyalino-striolatis, lateralibus postieis, oblique vel subreetangula- 

 riter patentibus, lineari-lanceolatis, rectis (vix sublaleatis), aeu- 

 tiuseulis, serrulatis, basi subdilatatis eiliolatis, anteriore rotundatis, 



