TJMBELLIFER^E. 313 



sometimes 15 feet high.— We unite, under the oldest name, the three 

 species here enumerated, because they seem to pass by insensible 

 gradations into each other. According to Dr. Pickering the flowers 

 (at least in the Oregon plant) are by no means inodorous, as stated 

 in the Flora of North America. He states that they have an ex- 

 tremely grateful odor. 



Ord. 37. UMBELLIFERA 



1. HYDROCOTYLE, Town. 



1. Hydrocotyle ranunculoides, Linn. 



Hab. Around the Bay of San Francisco, California; in wet 

 ground.— This species occurs in all the southern parts of the United 

 States, across the whole continent, and is common also in Mexico and 

 South America. 



2. CRANTZIA, Nidt. 

 1. Crantzia attenuata, Hook. & Am. 



Crantzia attenuata, Hook. & Arn. in Hook. Bot. Misc. 3, p. 346. 

 C. Schaffneriana, Schlecht. in Linnsea, 26, p. 370 ? 



Hab. Wet places, Puget Sound. — A much larger plant than C. 

 lineata. Stem creeping and rooting in the mud. Leaves 3 to 6 inches 

 long, terete, with distant and slightly constricted nodes, 2 or 3 lines 

 in diameter, gradually attenuated towards the summit, which is never- 



79 



