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1. B. toBpata Ruiz & Pavon. Flowers 
white.-—©. Golden Gate Park. San Mateo. 
Spring. 
22, Hydrocotyle Tourn. WATER PENNYWORT., 
Umbels simple. Cremocarp laterally com- 
pressed, carinate. Ribs filiform. Vitte 9. 
Aquatic.— 2. 
1. H. prouirera Kellogg. Leaves peltate, 
emarginate at base, crenate. Flowers green- 
ish.—San Francisco. Summer. 
2. H. pganuncutormEs L. Leaves orbicu- 
lar, not peltate, lobate; lobes crenate; flowers 
greenish.—San Francisco. Summer. 
Family 2, ARALIACER. 
Fruit a berry or drupe. Leaves alternate. 
1. Panax L. (fatsia Benth. & Hook). 
Polygamous. Petals 5. Stamens 5. Ovary 
2-celled. Styles 2. Fruit a 2-celled berry. 
1. P. Horripum Benth. & Hook. Flowers 
greenish.—h. Tamalpais. Summer. 
2. Aralia L. SPIKENARD. 
Ovary 5-celled. Styles 5. Fruit a drupe, 
with five pyrene. 
1. A.Catrrornica Watson. Flowers green- 
ish; berry dark purple or black.—2f._ Shady 
gulches. Summer. 
