18 PAPAVERACEiE. 



1. BRASENIA, Schreber. 

 L B. peltata, Parah. Leaves 2 to 4 inches long: white or purplish floweza. 



1. NUPHAB, Smith. 

 I. N. polysepalum, Engelm. Leaves 6 to 12 inches long: stigma broad. 



SARRACENlACEiE. 



Darlingtonia Califomica, Torrey. Hooded tubular leaves with a pair of miU"^ 

 tache-like appendages above the opening: solitary flower nodding on a bracteate scape. 



papateracej:. 



• Herhn with entire narrow leaves ; the uppermost whorled or opposite: sepals S, cadticottst 



petals 6 in S rows, white or yellowish. 



Filiform stigmas 6 to many; ovaries forming a cylinder 1 



Stigmas 3; capsule triangular-ovoid to obovoid or linear 2 



* * Herbs with divided or lobed alternate 'leaves. 



Sfepals 3, winged on the back: half shrubby 8 



Sepals 3 or 2, sharp-homed: bristly with stiflF prickles 4 



Sepals 2: stigma slightly 4-8-lobed: slender purplish filaments. 5 



Sepals united into a conical cap: slender stigmas unequal ., . 6 



* * * Shrubs or woody based perennials. 



Sepals 2: buds globular: stigmas 2: leaves entire ,»*.. 7 



Sepals 3: petals 6, very large, white: leaves pinnatifid ^,«« 8 



1. PLATYSTEMON, Bentham. 



I. P. Califomicus, Benth. Hirsute: peduncles long, axillary. 



2. PliATYSTIGMA, Bentham. 



1. P. lineare, Benth. Hirsute: stems short: peduncles long: stamens many. 



2. P. Californicum, B. & H. Capsule 9 to 15 lines long: stamens 10 to 12. 



3. P. Oreganum, B. & H. Capsule shorter: stamens 4 to 6: smaller. 



4. P. denticulatum, Greene. Leaves denticulate: stamens 6 to 9. 



3. ROMNEYA, Harvey. 

 1. R. Coulteri, Harv. White flowers 3 or more inches broad: glaucous leavea^ 



4. ARGEMONE, Linnaeus. 

 L. A. hlspida, Gray. Densely prickly, petals and stamens only excepted. 



