CATALOGUE. 13 



BERBERIDEtE. 



Berberis Aquifolium, Pursh. Leaflets 1-6 pairs, not approximated to 

 the base of the petiole, coriaceous, l-nerved, ovate-lanceolate or elliptic- 

 oblong, oblique and slightly cordate at base, repand with numerous spinulose- 

 cuspidate teeth ; racemes nearly erect, clustered ; berries purple. — The form 

 originally described by Pursh, and occurring in New Mexico, Colorado, and 

 westwaird, (the B. repens of Lindley,) is low, rarely exceeding six inches in 

 height, with about two pairs of leaflets. The larger shrub of Oregon, where 

 it is commonly known as the ''Oregon grape," is 2-6° high, with more numer- 

 ous leaflets. The nearly aUied B. pinnata, Lag., seems confined to California 

 south of the Sacramento, Arizona, and New Mexico. Diamond and East 

 Humboldt Mountains, Nevada, and in the Wahsatch, Utah; 4,500-9,000 

 feet altitude ; May-July. (47.) 



NYMPH^ACE^. 



NuPHAE ADVENA, Ait. Georgia to Western Texas and California, north- 

 ward to latitude 56°. Met with only in alpine lakes of the Uinta Mountains : 

 10,000 feet altitude ; August ; in no way differing from ordinary eastern spe- 

 cimens. (48.) 



PAPAVERACE^. 



Aegemone Mexicana, L., Var. hispida, Torr. Leaves sinuately pinnat- 

 ifid ; stem and leaves armed with rigid reflexed prickles ; pod also very spiny. — 

 Stout, 2-3° high; flowers large, 2-4' in diameter, white. This is A. hispida, 

 Grray, and A. munita, Dur. & Hilg., and has been also considered the 

 same as the Mexican var. alhiflorum, Horn. From Arkansas and Kansas to 

 Sonora and Nevada. Growing on dry foot-hills in Nevada, and in Salt Lake 

 Valley, Utah ; 4,500-6,000 feet altitude ; June, July. (49.) 



EscHSCHOLTZiA^ Califoenica, Cham. Stem branching, leafy ; torus 

 tubular or funnel-form, more or less dilated. — 1-2° high; variable in the size 

 and color of the flowers, and in the extent of the torus-limb. California and 

 Oregon. Rather rare in Western Nevada, and found only in fruit ; collected 

 also by Mr. Stretch near Washoe City. (50.) 



' ESCHSCHOLTZIA, Cham. Sepals coherent, deciduous, calyptralike. Petals 4, similar, inserted 

 with the numerous stamens upon the throat of the more or less dilated torus. Ovary with 2 nerviform pla- 

 centse; style short ; stigma divided into 4-6 linear divergent lobes. Capsule linear, 10-sulcate, dehiscent 

 to the base ; the rigid recurved valves placentiferous on the margin. Seeds not crested. — ^Annual glabrous 

 and glaucous herbs, with linear-dissected leaves and yellow long-peduncled flowers. Benth & Hook, 



