— i4— 



at National City. It extends inland at least to Poway, where it 

 was observed by Parish, growing on clay banks. 



Selaginella sp. An undescribed Selaginella of the S. rupestris 

 group, occurs along the base of the mountains bordering the 

 Colorado Desert. It has been collected at Palm Springs by Mr. 

 C. F. Saunders, and at Whitewater by Parish. Other segre- 

 gates of this group probably will be found to occur in the State, 

 but, according to Dr. Underwood, the species itself, S. rupestris 

 Spring., does not extend westward of the Great Plains. 



S. Oregona Eaton and S. Douglasii Spreng. are to be 



expected in the extreme northwest of the State, but I have 

 been unable to learn of any collection of either species within oui 

 boundaries. 



lSOETACE^. 



Isoetes occidentalis Henderson. Collected in Castle Lake, near 

 Mt. Shasta, by C. G. Pringle. 



Isoetes melanopoda T. Gay. The form described by Mr. A. A. 

 Eaton as f. Calif ornica has been collected near San Francisco ; 

 and f. pallida at Monterey and Kaweah river, and in Lower Cali- 

 fornia. 



Isoetes Bolandcri Engelm. This species is found in shallow 

 ponds and streams, at 5,000 to 10,000 feet alt., in the Sierra 

 Nevada, from the San Bernardino Mts. to the northern boundary 

 of the State, and thence into Washington. The var. Sonnei 

 Henderson was collected by Sonne in Donner Lake. 



Isoetes pygmaea Engelm. Growing deeply immersed in a 

 cold alpine stream, on the eastern slope of Mono Pass, altitude 

 7,000 feet., in the Sierra Nevada, where the type was collected by 

 Bolander, in 1866. It has not been found since, and may be a 

 form of /. Bolanderi. 



Isoetes Howellii Engelm. The type was collected by Howell 

 at the Dalles, in Oregon. In California it has been collected in 

 Trinity and Calaveras counties, and as far south as Monterey and 

 the Kaweah river. Perhaps a variety of /. melanopoda. 



Isoetes Nuttallii A. Br. This is a terrestrial species, dis- 

 covered in 1833, by Nuttall, on the banks of the Columbia river. 

 The only recorded station in California is Marin county, where 

 it was collected by Mrs. Brandegee. 



