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MYOSO'TIS. 
Hairs on the calyx pressed close against the surface, not 
spreading. } 
palus'tris. /orget-me-not. 
Hairs on the calyx spreading, often hooked. 
Lower flower-stalks as long as, or longer than, the 
( calyx, }-3 inch long when in fruit. 
Cees bright-blue, over + inch in diameter, opening 
flat 
| out ‘ 
L sylvatiica. 
Corolla pale-blue, about 4 inch across, usually more 
or less concave. 
L arven'sis. 
Calyx exceeding its very short stalk. 
eg bright blue ; calyx remaining open after the 
corolla falls. } 
L collina. 
Corolla first yellow, then blue; calyx-teeth closing 
together after the corolla falls. } 
versic’olor. 
MYRIOPHYL’LUM. 
Flowers projecting above the water, all (or the upper 
ones) in the angles of entire bracts, shorter than the 
flowers. Spica’tum. 
Flowers usually immersed, in the angles of deeply 
divided leaves or bracts. 
verticilla‘tum. Water Milford. 
NATAS. 
Leaves with large spinous teeth, their sheaths rounded, 
Ne de NS ey 
( nearly entire; (Norfolk). : 
L marina. 
Leaves with minute teeth, their sheaths toothed and with 
distinct projections ; (Lancashire). } 
gramin’ea. 
NARCIS'SUS. 
Flowers ‘yellow, their segments not or scarcely Longe 
thanjthe long “crown” in the centre. J 
Pseudo-narcis'sus. Daffodil. 
Flowers nearly white, their segments spreading, peo 
longer than the short, yellow “ crown. J 
biflo'rus. Primrose Peerless. 
