CHROMOSOME NUMBERS 



Name 

 Asplenium: 



A. fontanum (L.) Bernh. 



A. viride Huds. 



A. marinum L. 



A. Adiantum-nigrum L. var. acutum 



(Bory) PoUini 

 A. Petrarchae DC. 

 A. ruta-muraria L. 

 A. septentrionale (L.) Hoffm. 



A. lanceolatum Huds. 

 A. Adiantum-nigrum L. 

 'A. Trichomanes L.' 



A. aethiopicum (Burm.) Bech. 

 A. germanicum auct.non Weiss 

 { = A. Breynii Retz.) 



A. monanthes L. 

 Ceterach: 



C. officinarum Lam. & DC. 



C. aureum (Cav.) v. Buch 

 Blechnum: 



B. spicant (L.) With. 

 Doodia: 



D. caudata (Cav.) R.Br. 



Pellaea: 



P. atropurpurea (L.) Link 

 Cryptogramma: 



C. crispa (L.) R.Br. 

 Adiantum: 



A. capillus-veneris L. 



A. reniforme L. 

 Pteris: 



P. cretica L. 



var. albolvieata Hook. 



P. cretica L. 

 Pteridium: 



P. aquilinum (L.) Kuhn 



Polypodium: 



P. vulgare L. var. serratum (Willd. 

 Milde' 



P. vulga 



'P. vulgare L.' 



P. virginianum L. 



'P. vulgare L. var. occidentale Hook.' 



Country of origin 



Switzerland 

 Britain 

 Britain 

 Madeira 



France 



Britain 



Britain 



Switzerland 



Finland 



England 



England 



England 



Switzerland 



France 



Wales 



Madeira 



Wales 



Italy 



Switzerland 



Sweden 



Madeira 



England 



France 



Teneriffe 



Britain 



Botanic Garden 



Induced 



Induced 



California 



England 



Ireland 



Italy 



Spain 



Madeira and TeneriflTe 



Italy 

 Hort. 

 Uganda 



Britain 

 Malay 



France 



Switzerland 



Italy 



England and Ireland 



British Isles 



Scandinavia 



Switzerland 



France 



British Isles 



Western Europe 



Nova Scotia 



Western N. America 



58 



c. 90 

 c. 120 



74 



150 



58 



c. 90 



c. 120 



52 



37 



74 



III 



37 

 37 



Normal 



17 



Apogamous 10 and 11 

 Apogamous 1 1 



Apogamous 1 1 



Normal 7 



Normal 



Normal 



Normal 



Normal 

 Normal 



8 

 8 



OSMUNDACEAE 



Todea: 



T. barbara (L.) Moore 



Leptopteris: 



L. Frazeri (Hk. & Grev.) Presl 

 L. hymenophylloides (A. Rich.) Presl 



Botanic Gardens 



Botanic Gardens 

 Botanic Gardens 



22 



22 

 22 



Normal 



Normal 

 Normal 



16 



16 

 16 



304 



