754 PATAGONIAN EXPEDITIONS I BOTANY. 



i. PRATIA LONGIFLORA Hook. f. (including Hypsela atacamensis Phil.). 



Lax-cespitose, glabrous. Stem rather stout, nodose, subsimple. Leaves 

 few, erect, fleshy, long-petiolate, ovate, obtuse, entire or obscurely sinu- 

 ate. Peduncles almost terminal, as long as the leaves, bractless. Calyx- 

 segments ovate, acute. Corolla-tube cylindrical, elongate, thrice as long 

 as its spreading lobes. 



(Chilian Andes) ; Patagon.; Magellan. 



Leaves narrower and smaller than of next ; and 

 FIG. 95. corolla-tube longer and narrower. 



2. P. REPENS Gaud. 



Small, branching, creeping. Leaves on long peti- 

 oles, thickish, induplicate, orbiculate, subcordate, sinu- 

 ate-crenate. Pedicels axillary, few, as long as the 

 petioles, with 2-3 very small, acute bracteoles. Calyx- 

 lobes ovate, acute, shorter than the obovoid tube, one- 

 fifth as long as the rose-violet corolla. Seeds pale fus- 

 cous. (Fig. 95.) 



Magellan; S. Patagon., by Hatcher at Rio Coy, 

 Pratia repens. - - Flow- and Nordenskj. at Rio Gallegos ; Fuegia, passim, by 



ering-shoot with leaves, -. . TTIIIJ r a u u i j 



slightly reduced. Dusen ; Falklands, "of steppe-flora, by brooks, and 



in forests with poor rain-fall." 



"Pratia repens Gaudich. and Hypsela reniformis Presl. found in the 

 Andes are very much alike." (Eng. & Prantl.) (Hypsela has the corolla 

 not dorsally parted.) 



5. HYPSELA Presl. 



Dwarf, creeping or cespitose herbs, with radical or alternate leaves, broad, 

 with a thick petiole, and axillary peduncles, each with a small, white to 

 pinkish flower. Corolla-tube not parted, its lobes slightly unequal and 

 spreading. Two anthers, with i or more apical setae ; three not appen- 

 daged. Fruit a capsule. 



Species 5, in the southern Andes. 



i. H. LONGIFLORA Benth. & Hook. (Pratia atacamensis Phil.) 



Small, creeping, glabrous, with ovate-orbicular, entire, noncordate leaves, 

 the petioles much exceeding the blades. Calyx-teeth stout, triangular, 



