4 1 6 PATAGONIAN EXPEDITIONS I BOTANY. 



e2. Spines more or less elongated. Leaves slightly toothed. 



valdiviana (Chilian). 



3. Flowers large, 5-merous. Spines 3-partite. Leaves oblong, coriaceous. 



ruscifolia. 



A.2. Peduncles i -flowered, solitary, or aggregate. 

 b. Stamens without appendages below the anther. 



c. Leaves oval, or obovate. (buxifolid) microphylla. 



c2. Leaves lanceolate or linear-lanceolate. grisebachii. 



bz. Stamens appendaged below the anther. 



c. Leaves entire, linear ; flowers i(-2). empetrifolia. 



c2. Leaves, some angular spiny-toothed, others entire. Flowers solitary. 



heterophylla. 



rj. Leaves cuneate, tridentate. Flowers solitary. cuneata. 



3. Spineless. Leaves entire, elliptical. Berries ovate. inermis. 



64. Leaves entire or spiny-toothed, obovate. Berries small. Branching virgate. 



virgata. 



A$. Flowers ? Heterophyllous, with 3-5-partite spines. Upper leaves sessile. Branches slender. 



darwinii. 



i. BERBERIS CUNEATA DC. Califate. 



Low shrub. Spines 3-parted, scarcely longer than the leaves. Leaves 

 obovate-cuneate, spinosely trifid, smooth. Pedicels solitary, i -flowered, 

 nearly as long as the leaves. Flowers as large as in B. mdgaris. Berries 

 intensely purple, as large as peas, not sweet. 



S. Patagon., Porto Deseado; near Coy Inlet. (Hatcher. It is called 

 "califate," grows everywhere, and its wood is invaluable for fuel.) 



2. B. DARWINII Hook (including B. morenonis O. Ktze.). 



Young branches rusty-pubescent. Leaves rigidly coriaceous, shining, 

 rusty below, cuneate or oval, trifid at apex ; their margin spinose-toothed. 

 Racemes exceeding the leaves, sometimes long, slender. Berries subglo- 

 bose, not pleasant. 



(Chili) ; Patagon., in mountain shrubberies near Carren-leofu. 



3. B. EMPETRIFOLIA Lam. 



Small shrub, with reddish brown pubescent bark. Spines 3-parted. 

 Leaves evergreen, linear, entire, revolute, clustered. Pedicels 1-2, from 

 branchlets between the leaves, each i -flowered. Stigma subsessile. 

 Berry globose, bluish-black, slightly sour. 



Chili, in woods on cordilleras, descending to sea-level at Magellan. 

 A steppe-plant. In N., E. and S. Fuegia. (Dusen.) 



