610 CONSERVATIVE ORGANS. [LECT. XI. 



within a ring, which I name the annulated scu- 

 tiform aperture, osculum scutiforme annulare, as 

 seen on the inferior disk of the leaves of Helle- 

 borus fcetidus (51.), the Violet tribe (52.), the 



Coffee plant, Coffea Arabica (53.), the White 

 Lily, Lilium candidum (44. p. 605), Gardenia la- 

 tifblia (46. p. 606) ; the common Cabbage, Bras- 

 sica oleracea ; the outside of the tubular leaf of 

 Saracenia (54.), &c. 3, An open slit, or an oblong- 

 pore, enclosed by a simple oval ring, which may 

 thence be termed the annulated aperture, osculum 

 annulare; as on the inferior disk of the leaf of 

 Hibbertia scandens (50.), Ivy, Hedera Helix (55.), 

 Jacquinia ruscifolia (56.), Dianthus Caryophyllus 

 (40. p. 602), Laurus Canarlensis, Wolfsbane, 

 Aconitum neomontanum, Privet, Ligustrum vul- 

 gare, &c. 4. A circular pore in the centre of a 

 circular shield, which we may name the circular 

 aperture, osculum circular e ; as on the inferior 



