AND THK DISTRIBUTION OF THE STOMATA. 



105 



Carpinus betulus. 

 Celtis occidentalis. 

 Cerasus Mahaleb. 



C. vulgaris. 

 Citrus Aurantium, 

 Clematis Viticella. 

 Crataegus oxyacautha. 

 Fagus sylvatica. 

 Ficus benjamina. 

 P. cordata. 

 F. elastica. 



Fraxinus 



elsior. 



Gastouia paliuata. 

 Gentiana cruciata. 

 Girondia manicata. 

 Gleditschia triaeantha. 

 Goldfussia glomerata. 

 Iledera Helix. 

 Helleborus niger. 



Hydrangea liortensis. 

 H. quercifolia. 



Hex Aquifolium. 

 Juglans regia. 

 Kalmia lati folia. 

 Lilium speciosum. 

 Madura aurantiaca. 

 Mahonia Aquifolium. 

 Maiantheuiuni bifolium 



Mercurialis perenaii. 

 Morus alba. 

 Neguado fraxiaifolia. 

 Olea europea, 



Philadelphus corouariu:^, 

 Piper mfignolisefolium. 

 Pittosporum Tobira. 

 Platanus occideatalis. 

 Paeonia sp. 

 Pritzelia zebrina. 

 Prunus domestica. 

 P. Laurocerasus. 

 Pyrus communis. 

 P. Mai us. 

 Rhodea japouica. 

 Khododendrou birsutuui 

 R, ponticum. 

 Ribes aureum. 

 Rubia tinctoi'um, 

 Salisburia adiautHblia. 

 Solauum tuberoauui. 

 Syringa vulgaris. 

 Taxus baccata. 

 Theopbrasta Jussieui. 

 Trollius europaius. 

 Vinca major. 

 Vitis viuifera. 



Group 2. — Stomatal formula between ^ and ^ ; that Is to say, 

 one tliird, or loss than one third of all the stomata are on the 



m 



upper surface. 29 species. 



Antirrhinum majus 



Asclepias incarnata 



Aster chinensis 



Atropa Belladonna 



Brassica Rapa 



Campanula persicifolia 

 C. urticccfolia 



2 



120 



27 



Apium Petroseliuum gj 



67_ 



191 



16 

 40 

 55 



221 

 21 

 61 



210 

 65 



Capsella Bursa pastoris 



Ceataurea phrygia 



Convolvulus arvensia 



Dianthus barbatus 



D. deltoides 



Galium boreale 

 Geum urban um 



Gratiola oiRcinalis 



33 



in 



23 



78 



21 

 43 



12 



47 



il 

 110 



J£ 

 129 



20 



■4 



67 



