CONSPECTUS OF ORDERS AND FAMILIES. 



N 



6. The Water-lily Family. 







Aquatics with usually a rhizome and 1 



arge floating or extruded often 



;,ltate leaves involute in vernation. 



Flowers very large, acyclic 





rounding the carpels. Carpels several 









in the broad torus. Embryo outside a 







copious albumen or album 





and plumule large 



NympheBaeeafa 



20). 



7. The Hornwort Family. 







Submerged aquatics with -lender stem 



s and whorled leaves 2-sev 



eral 



times forked with filiform segments. 







usually solitary. Perianth of 6-12 na 

 12-30 on a convex torus. Ovary of o; 







ne ovoid 1-celled carpel wit 





subulate style and a solitary pendulous straight ovule. Fruit sn 



■ all. 



aked with the style. 



Seed with scanty albur 





Embryo straight with 2 cotyledons, rac 



licle very short inferior. 



Ceratophyllaceoe (p. 8 



,41). 



8. The Barberry Family. 







Ojten spiny shrubs with scaly buds. 







"tVn spinous, rarely stipulate. Fls. s: 









petals, anthers with annate cells dehiscii 





■,;!/ 





' Ovules several basal. Fruit 





Berber idacea (p. 





•9. The Laurel Family. 



Tree n I, hs (M-e e\c). / 



,/X l , „",,„ .' vnslucent dots; 



ipulat Flowers small, green or yell 

 ""■'•% :i-u>n;>>is throughout. Tepals usually 2-senate, often connate 

 below, rarely 5 or rudimentary or 0. Stamens in 2-4 tr, ,- 

 one whorl often reduced to'staminod.-s. 

 anthers with 2 or 4 cells dehiscent by small lids. Ora, : , 

 Icarpellary, l-celh 

 drupaceous or nearlv drv. Seed exalbuminous. Embryo with large 



b Hernandia Family. 

 h plants with alter; 

 I and pnhnntchi «• rrcl 

 1 glands, cystoliths oi 

 3d in axillary or pse 



