(2^5) 



Family 3. LYTHRARIiE. 



Calyx tube not adnate to the ovary. Sta- 

 mens inserted with the petals, and of definite 

 number; anthers introrse Ovary free, with 

 central placentae, compound of carpidia; ovules 

 00 ; style 1. 



1. Lythrum L. Loose-strife. 



Calyx tubular, 8-12-costate ; limb 8-12-den- 

 tate; dentitions alternating in size. Petals 4:-^, 

 opposite the smaller dentitions of the calyx. 

 Stamens 8-12. Ovary 2-celled, covered by the 

 persistent calyx. Flowers purple. 



1. L. ALATUM Pursh.— 2]!. Tamalpais. Sum- 

 mer. 



Ordek 2. KOSIFLOR^. Calyx lobes 

 imbricate in aestivation, as many as the per- 

 igynous petals. Ovaries several, in different 

 degrees of consolidation, in rare cases reduced 

 to a single one, the eccentric position of which 

 indicates the abortion of its fellows. 



Family 1. AMYGDALACE^. 



Calyx free, 5-cleft, deciduous. Petals 5, 

 convolute in aestivation. Ovaries almost always 

 reduced to one, 1-celled, 2-ovulate. Fruit a 

 drupe, by abortion generally 1-seeded. Leaves 

 alternate, stipulate; stipules caducous. 



