484 ADDITIONS AND CORRECTIONS TO VOL. II. 



spike loose : sepals oblong-lanceolate, 3 lines long, the upper a little broader : petals 

 falcate, narrow ; lip linear with a broad rhombic base, 5 lines long ; spur slender, 

 8 lines long, equalling the narrow sessile ovary : pollen-masses attached by a short 

 pedicel to a large oblong gland ; beak of stigma broad and rounded : capsule linear- 

 oblong, 9 lines long. 



Indian Valley, Plumas County, J. G. Lcmmon. 



Page 135. 5. SPIRANTHES. 



2. S. porrifolia, Lindl. Flowers yellowish, narrow, the petals and upper sepal 

 linear ; lip dilated at base, oblong and undulate above. 

 Sierra Valley, Lemmon. 



Page 138. 10. CYPBIPEDIUM. 



2. C. Californicum, Gray. Stem 1 to 4 feet high, 3-1 2-flowered : capsule 

 narrowly oblong, 8 to 15 lines long, on rettexed pedicels. Plumas County, Mrs. 

 Austin. 



Page 139. 1. IRIS. 



1. I. macrosiphon, Torr. In Placer County, Bigelow, Mrs. M. E. P. Ames. 

 4. I. longipetala, Herb. Oregon, J. Howell. 



Page 141. 2. SISYRINCHITJM. 



2. B. Californicum, Ait. f. The specimens from Plumas County (Indian Val- 

 ley, Lemmon, and American Valley, Miss S. A. Plummer} differ from the usual form 

 in their much more slender habit, the scapes less than a line broad, and the obscurely 

 nerved leaves scarcely more than a line wide ; perhaps distinct. 



3. S. grandiflorum, Dougl. Capsule globose, nearly 3 lines in diameter : seeds 

 angled, a line long. 



Page 143. 1. AGAVE. 



* * * Flowers in pairs or fours, densely spicate ; perianth campanulate, the 

 tiiJ)e 3 or 4 times shorter than the lobes. 



4. A. Utahensis, Engelm. Acaulescent : leaves very thick, glaucous, attenuate 

 from a broad base, 6 to 12 inches long, 1 to If wide, terminated by a pale or dusky 

 nearly triangular spine an inch or two long ; margin armed with stout straight spiny 

 teeth 1| to 2 lines long: scape 5 to 7 feet high including the spike (1 or 2 feet) ; 

 bracts subulate : flowers small, yellow, on pedicels 3 lines long or less ; perianth 

 ^ inch long, about, equalling the ovary : stamens on the middle of the tube, exserted : 

 capsule oblong, shortly pointed, 10 to 12 lines long. Bot. King Exp. 497, and 

 1. c. 308. 



On mountain ranges in the desert, northeast of San Bernardino (S. B. Parish) ; Arizona and 

 Southern Utah. 



Page 184. 29. TOFIELDIA. 



Mr. Baker (Journ. Linn. Soc. xvii. 490) proposes the genus Triantha for Nuttall's 

 section of that name, distinguishing it by the scarcely sufficient characters which are 

 given in the note to Tqfieldia. He recognizes but one species on the Western 

 Coast. 



Page 187. 1. LYSICHITON. 



1. L. Kamtschatcensis, Schott, Gen. Aroid. t. 91. Engler (in DC. Monogr. 

 Phaner. ii. 210) refers all the forms to one species. 



