(268) 



which are parasitic plants without chloro- 

 phyll. 



Family 1, ARISTOLOCHIE^E, 



Perigonium gamosepalous. Stamens 6, or a 

 multiple. Ovary inferior, 6-celled. 



1. Asamm Tourn. WILD GINGER. 



Stamens 12, free. Perigonium entirely 

 epigynous; limb regular. Rhizome dichoto- 

 mous. U- 



1. A. CAUDATUM Lindl. Flower dark -pur- 

 ple. Strawberry Valley. Tamalpais. Spring. 

 2, Aristolochia Tourn. DUTCHMAN'S PIPE. 



Stamens 6, gynaudrous. Limb of perigonium 

 oblique, irregularly cleft. 



1. A. CALIFORNICA Torr. Flowers greenish ; 

 twining creeper. It- Saucelito. Ocean lake. 

 Boss Station. Spring. 



SERIES 5. J U L I F L O R M. Inflorescence 

 dense; flowers apetalous. Leaves never com- 

 pound. 



ORDER 1. Flowers diclinous; $ flowers 

 amentaceous. Fruit 1- seeded, indehiscent. 

 Stipules deciduous. 



Family 1, CUPULIFER^l, 



Epigynous. Style 1; stigmas several. Fruit 

 a nut (akene), the base of which is surrounded 

 by a cupula or a persistent involucre. 



