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which are parasitic plants without chloro- 
phyll. 
Family 1. ARISTOLOCHIEZ. 
Perigonium gamosepalous. Stamens 6, or a 
multiple. Ovary inferior, 6-celled. 
1, Asarum Tourn. Wiip GINGER. 
Stamens 12, free. Perigonium entirely 
epigynous; limb regular. Rhizome dichoto- 
mous.—?2f. 
1. A. cauparum Lindl. Flower dark-pur- 
ple.—Strawberry Valley. Tamalpais. Spring. 
2. Aristolochia Tourn. Dorcuman's Pipe, 
Stamens 6, gynandrous. Limb of perigonium > 
oblique, irregularly cleft. 
1. A.Cairornica Torr. Flowers greenish; 
twining creeper.—2{. Saucelito. Ocean lake. 
Ross Station. Spring. 
Series 5. JULIFLORA. Inflorescence 
dense; flowers apetalous. Leaves never com- 
pound. 
Orper 1. Flowersdiclinous; ¢ flowers 
amentaceous. Fruit 1-seeded, indehiscent. 
Stipules deciduous. 
Family 1. CUPULIFERZ. 
Epigynous. Style1; stigmas several. Fruit 
a nut (akene), the base of which is surrounded 
by a cupula or a persistent involucre. 
