18 NYMPHS ACKffi. 



DELPHINIUM. 



D. hesperium, Gray. Stem slender: herbage canescent: leaves small, much dis- 

 sected into linear obtuse lobes: racemes long, dense: spur of the deep blue or pinkish 

 flowers, stout, straight, about as long as the sepals: carpels hairy. Flowering in June. 



D. Hanseni. Greene. Distinguished by white burr-like seeds. 



D. Blochmanae, Greene. A foot high: large flowers in a strict short raceme, the 

 inner light blue sepals, and the white petals with conspicuously crisped margins. San 

 Luis Obispo Co. 



D. distichum, Geyer. Flowers somewhat 2-ranked: spur 9 lines long, straight, 

 twice the length of the sepals. Northern Coast. 



D. ulignosum, Cnrran. Leaves fan-shaped, 3-cleft, the segments 3- toothed: the 

 rather large deep blue flowers with straight spurs equaling the sepals. Wet ground^ 

 Lake Co. 



COPTIS. 



C. laciniata, Gray. Leaves trifoliolate, ovate, nearly 3-parted, the. segments 

 incised: sepals and petals linear-attenuate. Rare from Huinboldt Bay northward. 



BERBERID ACE^JE . 



Shrubs or herbs, with compound alternate exstipnlate leaves; flowers remarkable for 

 having the bracts, sepals, petals and stamens before each other, instead of alternating. 

 Key to genera and species, p. 82. 



Our species of Berberis are very different in appearance from the scarlet-fruited 

 Barberry of Europe and the Atlantic States, which is often cultivated. 



Vancouveria parviflora, Greene, may be considered a variety of V. hexandra. 



Aquatic perennial herbs, with peltate or deeply cordate leaves; solitary axillary 

 perfect flowers on long peduncles. Stamens numerous. 



Water- Shield (Brasenia peltata, Pursh.) May be found in ponds. . Its elliptical, 

 peltate, floating leaves (green above and brownish-red beneath) and its jelly-coated 

 stems characterize it quite well enough. 



The Yellow Pond Lily (NupJiar pofysepalum) Engl.) is more common. It is Nym- 

 pb-sea polysepala, of the Bay-Reg. Bot. Key to genera and species, p. 82. 



