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1. A. rupra 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. MYRICACEA. 
Flowers diclinous, amentaceous, each bract 
containing a single, naked, sessile flower. 4 
aments filiform; 2 ovate. Ovary connate with 
some hypogynous scales, 1-celled, 1-ovulate; 
style very short; stigmas 2. Fruita nutlet; 
drupaceous by the incrassate, hypogynous 
bracts. 
1, Myrica L. Wax-Myrrus. 
Only genus.— PR. 
1. M. Catirornica Cham.— Common. 
Spring. 
OrpER 2. URTICALES. Flowers diclin- 
ous. Stamens opposite to the lobes of the 
perigonium. Ovary superior. Fruit 1-seeded. 
Leaves stipulate. : 
Family 1. PLATANEZ. 
Moncecious. Flowers naked, capitulate on 
globose receptacles. ¢ head: stamens o, ir- 
regularly mingled with scales. ? head: ova- 
ries o, placed irregularly among scales; fruit 
a coriaceous nutlet. Leaves alternate, pal- 
mately lobed. 
