5 
BERBERIS RECTINERVIA, sp. п. Fruticose, the stems virgate, leafy, 
nigrescent, unarmed; leaves 5-6, fascicled, persistent until after 
the appearance of an equal number of new ones, 8-15 mm. long, 
3-5 mm. broad, oblanceolate to spatulate, tapering to the base, 
very thick, smooth, shining above, tipped with a short reddish- 
brown spine, entire, or a few with 1 or 2 spinescent teeth near 
the apex, underneath with several strong veins nearly parallel 
with the strong midrib; flowers solitary or 2-3 together, very 
short pedicelled, nearly or quite erect. 
Songo, Nov., 1891, (857). Also collected by Pearce at La 
Banca at an altitude of 10,000 or 12,000 ft., fide Britton. 
PAPAVERACEAE. 
Argemone Mexicana, L. Sp. Pl. 508. Vicinity of Cochabamba, 
1891 (943). 
Bocconia frutescens, L. Sp. Pl. 505. Yungas, 1890 (441). 
CRUCIFERE. 
Roripa Nasturtium (L.) Scopoli. (Nasturtium officinale, R. Br.) 
Vicinity of La Paz, 10,000 ft., 1889 (65). 
Cardamine ovata, Benth., var. corymbosa, Britton, Bull. Torr. Bot. 
Club, xvi. 16. Yungas, 1890 (227). = Rusby 1206 and 
Spruce 5378. 
Sisymbrium officinale (L.) Scopoli. Vicinity of Cochabamba, 1891 
( . A very scabrous form. 
Sisymbrium myriophyllum, H. B. K. in D. C. Syst. ii. 477. Talca 
Chugiaguilla, Apr. 1890 (815).—Rusby 205. 
SISYMBRIUM PAZENSIS, sp.n. Apparently кее mr 
throughout, stem erect, 3-6 dm. high, stout, simple, zug 
leaves few, the radical not present; lowest pone 3-4 
ong, by 1.2 cm. broad, oblong-spatulate, obtuse, ica 
into a petiole-like base, thick, with prominent midrib, both 
toothed or en closely sessile ; inflorescence of several erect 
crowded racemes, forming a n narrowly о contracted, nearly naked 
panicle, at fourth 20 cm. long; flowers 4-5 mm. long, about 
equalling the stout noel; calyx сам two-thirds as long as 
the white (purplish?) petals; pods oblong-linear, 2 cm. long 
by 2 mm. broad, bright purple, seeds in 2 rows, very small. 
' Vicinity of La Paz, 10,000 ft., 1890 (172). 
Lepidium bipinnatifidum, Desv. Journ. Bot. iii. 165. Vicinity of 
La Paz, 10,000 ft., 1889 (23). =Rusby 1201 and 1202. 
