4l8 PATAGONIAN EXPEDITIONS.' BOTANY. 



petiolate, pungent, here and there spiny-toothed ; in older plants smaller, 

 12 mm. long, usually entire, acute, at length coriaceous. Pedicels 1-3- 

 flowered. Berry flat-globose, 4-seeded, blue-black, edible. 



It forms dense bushes, with leafage of boxwood. The young leaves 

 often have the cluster-cups of the fungus, sEcidittm magellanicum. 



E. and W. Magellan ; Fuegia, nearly everywhere ; but rare in the rainy- 

 wood-region. (Dusen.) By Hatcher in the Cordilleras of S. Patagon. ; 

 scarcely any of these have the leaves spiny-toothed, except the apical 

 spine. "The berries were used for tarts by the officers of the Beagle, 

 and were found to be excellent, called Magellan-grapes." (J. D. Hooker.) 

 Near Lago Nahuel-huapi (leaves larger and thickish). 



9. BERBERIS MICROPHYLLA GRACILIS Alboff. 



Branches long, slender, pendulous. Leaves membranaceous (not cori- 

 aceous), ovate-lanceolate, obtuse. Flowers mostly in $<*>; peduncle \ cm., 

 short. 



Fuegia, at Ushuaia. 



(B. morenonis O. Ktze. is only a young condition of B. darwinii Hook., 

 fide Speg.) 



10. B. PEARCEI Phil. 



Leaves short ; petiolate, oblong, coriaceous, spinosely serrate, mucronate, 

 the under surface glaucescent to rufescent, glabrous, reticulate-veiny. 

 Racemes 6-io-flowered, scarcely equalling the leaf. Pedicels 10-15, 

 slender, smooth. Style short, stigma peltate. Fruit 6-7 mm. by 5 mm. 

 blackish with a glaucescent bloom; pedicel 10-15 mm. slender, smooth. 

 (Differs from B. ilicifolia by the numerous teeth of the leaves.) 



"Patagon., Chubut, in subandine woods; Valdivian Andes. 



ii. B. RUSCIFOLIA Lam. 



Shrub 1-2 m. high. Spines 3-parted. Leaves simple, coriaceous, shining, 

 oblong, tapering at the base, mucronate, entire, or coarsely and spiny few- 

 toothed, 4 cm. long. Peduncles short, bearing 4-7 flowers in a terminal 

 raceme. Flowers large, 15 mm. broad, with 5 sepals and 5 petals. 



(Buenos Aires) ; Punta Arenas, Hatcher. 



12. B. VIRGATA Ruiz & Pav. (Plate XV.) 



Erect, much branched shrub. Spines small or none. Leaves 

 obovate, entire, or spinously toothed towards the apex, smooth. 



