(272) 



1. A. KUBRA Bongard. Nutlets winged. 

 Contra Costa Mountains . Spring. 



2. A. RHOMBIFOLIA Nutt. Nutlet not winged, 

 but having a thickened margin. — Niles. Santa 

 Cruz mountains. Spring. 



Family 3. MYRICACE^. 



Flowers diclinous, amentaceous, each bract 

 containing a single, naked, sessile ilower. S 

 aments filiform; ? ovate. Ovary connate with 

 some hypogynous scales, 1-celled, 1-ovulate; 

 style very short; stigmas 2. Fruit a nutlet; 

 drupaceous by the incrassate, hypogynous 

 bracts. 



1. Myrica L. Wax-Myrtle. 



Only genus. — ^ . 



1. M. Californica Cham. — Common. 

 Spring. 



Order 2. URTICALES. Flowers diclin- 

 ous. Stamens opposite to the lobes of the 

 perigonium. Ovary superior. Fruit 1-seeded. 

 Leaves stipulate. 



Family 1. PLATANE^. 



Monoecious. Flowers naked, capitulate on 

 globose receptacles. S head: stamens co , ir- 

 regularly mingled with scales. ? head: ova- 

 ries GO, placed irregularly among scales; fruit 

 a coriaceous nutlet. Leaves alternate, pal- 

 mately lobed. 



