6 1 8 PATAGONIAN EXPEDITIONS I BOTANY. 



2. GUNNER A LOBATA Hook. f. 



Dioecious and apetalous. Stem creeping and rooting. Petioles 2 cm. 

 long, hirsute, with a basal, sheathing stipule. Leaves rounded, deeply 

 5-y-lobed, coriaceous, the nerves underneath pilose ; their lobes rounded, 

 obtuse, entire, the margins obscurely ciliate. Scape of male flowers 

 equalling the petioles ; pistillate flowers sessile. Anthers broad-oblong. 



W. Magellan, Churucca and Puerto Angosto (Dusen); Fuegia, near 

 Cape Horn. 



3. G. MAGELLANICA Lam. 



Dioecious and apetalous, low, stoloniferous herb, with long-petioled, 

 orbicular, reniform, crenate leaves, glabrous on upper surface, pilose par- 

 F tially beneath on the nerves and the petiole. 



Male scape exceeding the leaves, the male flow- 

 ers on short pedicels. Female scape shorter 

 and the flowers sessile. Calyx-lobes lanceolate. 

 (S. Chili ; Hawaii) ; N. Patagon., by Lago 

 Nahuel-huapi ; E. and W. Magellan ; Fuegia, 

 passim to Cape Horn ; Staaten Is.; Falklands. 

 (By Hatcher at Punta Arenas, and from Cor- 

 dilleras of S. Patagon., in fruit March, 1897 ; 

 of densely spicate, crimson drupelets. 



" Most abundant of Antarctic American 



Gunnera magellanica. Pistillate j ants frQm Valdivia to Cape Horn, and CSpeci- 

 plant in fruit, slightly reduced. * * . . , 



ally at the Falkland Is., where it is eaten by 



cattle." (J. D. Hooker.) "Common in the forest-region and by streams 

 and the sea-coast." (Dusen.) Fuegian name, " Palakoazirh." 



3. HIPPURIS Linn. Mare's-tail. 



Aquatic herbs with simple erect stems, and whorled, entire leaves. 

 Flowers axillary, small, usually perfect, but apetalous. Calyx-limb 

 minute. Stamen \. Style filiform. Achene oblong. 



Species 3, N. Temperate Zone, and Arctic, also in Patagonia. H. alata 

 Jacq. is found in Fernandez, Australia and New Zealand. 



H. VULGARIS Linn. 



Leaves in whorls of 5-12, linear or broader, sessile, acute, the upper 

 spreading, the lower deflexed. 



