CUPULIFERAE ' 5ii 



Gcinmac sciuamosac, solitariac. Folia altcrna, pcliolata, penninervia, 

 praeflorationc, condnplicata transvcrsimqnc plicata. Stipnlac ntrinqne 

 ad foliornm hasim, ipsa folia, in pracfolialionc, a dorso tcgentcs : 

 ntiinqnc ad basim amcntornm masculornm, a dorso tegcntes hracteani 

 qna amcnta ipsa s\iflfnlcianlnr. 



GENERA CUPULIFERARUM 



SECTIO I. 

 QUERCINEAE 



Stamina ad calicis basim inserla. Involucrum fructiferum squamuligerum 

 aut echinigerum, coriaceum aut ligneum. 



ccccxvi. QuERCuc^ Nux insidens involuci"o squamuUgero, in cupulam indurato. 



ccccxvii. Castanea. Nuces, i-3, inclusae invohicro echinifero, ex apice, val- 

 vatim, demum dehiscente. 



SECTIO 11. 

 CORYLEAE 



Stamina ad basim squamarum amenti inserta. Involucrum fructiferum her- 

 baceum aut membranaceum. 



ccccxviii. GoRYLUS. Nux ossca, insidens involucro foliaceo, cupulaeformi, inciso- 

 dentato. 



ccccxix, OsTRYA.* Nux tcstacea , inclusa invohicro scarioso, utricuUformi, evalvi. 



SECTIO 1. 



QUERCINEAE 



Flores masculi: stamina ad calicis hasim inserta: antherarnm loculi 

 connectivo juncti. - Florcs foeminei: \\\ involucro solitarii, gemini tei- 

 nive. raro plnrcs. Ovarium 3-G-loculare: loculis 2-ovulatis. Involucnnn 

 c scpiainulis imhricatis, connatis: fructiferum coriacenm aut ligneum. 



