^ Botrychium californicura sp. nov. 



The largest of our species, with lea\es 20-35 cm. across, the 

 leaf of the precedin*,^ year usually lonj^ persistent. Roots fleshy, 

 stout, fibrous : common stalk \ery short, 3-4 cm. lonj{, subter- 

 ranean ; leaf-.stalk 10-16 cm. long, stout, fleshy ; leaf-blade 20- 

 35 cm. wide, 15-25 cm. long, the three main divisions copiously 

 tripinnate or often quadripinnatifid, the lower divi.sions rnore com- 

 pound on the lower side of the base ; segments 9-13 or more to 

 each pinnule, obliquely oval, the larger more or less lobed, the 

 margins crenate or eroded: sporophyl 15-25 cm. long, quadri- 

 pinnatc or more, on a stalk 30-45 cm. high. 



This species was figured by D. C. Eaton, Ferns N. A. i : />/. 

 20a (lowermost figure only) and called b}' him " var. aii&tralc " 

 of his all-embracing BotrvchiuDi tcniatinn, the name australc com- 

 ing from one of the smaller (Au.straHan) species of the group, 

 while this is one of the largest. It appears to be confined to 

 northern California. Specimens have "been studied as follows : 



Sisson, Siskiyou County, 30 July, 1894, M. A. Hcnoc ; Sierra 

 County, 1874, Lcuiuioii ; Quincy, Plumas QoMX\\.y, Mrs. R. M. 

 Austin (type), Mrs. C. C. Bruce ; Emigrant Gap, A. Kellogg ; all 

 in the collections at the New York Botanical Garden, which in- 

 clude the collections of Columbia University and those of the 

 writer, now^ incorporated in a single series. 



' CoLUMiUA University, 

 12 May, 1905. 



SHORTER NOTES 



Amelanchier arguta * Nutt. — This species has been mis- 

 taken for Amelanchier oligocarpa (IMichx.) Roem. It differs in 

 smaller, round-oblong fruit, calyx-lobes ovate, acute, about 2 

 mm. long, leaves ovate-oblong, cuneate at both ends, fineh' ser- 

 rate. A. oligocarpa has larger, pear-shaped fruit, calyx-lobes 

 lanceolate, acuminate, 3-5 mm. long, leaves oblong, more 

 coarsely .serrate. Specimens examined : 



The technical type is a sheet in the herbarium of Columbia 

 University inscribed ''Amelanchier arguta Xutt. Waychusett, 

 Mass." 



*./. iirgiilii Nutt. in herb. Torrey ; Hritton, Man. io66. 1905 [Ed. 2]. 



