712 



PATAGONIAN EXPEDITIONS: BOTANY. 



io. BENTHAMIELLA Speg. 



Small shrubs, with thick, rosulate leaves, and separate, erect, yellowish- 

 white flowers. Calyx campanulate, 5-toothed. Corolla with long, grad- 

 ually enlarging tube, and short, spreading, 5-lobed limb. Stamens 5, 

 unequal. Ovary 2-celled. Capsule thin-walled, obscurely 4-valved, i- 

 celled, i -seeded. 



Species 5, Patagon. 



1. B. ACUTIFOLIA Speg. 



Leaves fasciculate-imbricate, erect, subrigid, linear, entire, triquetrous at 

 apex, callously acute, whitish-mucronate. Flowers sessile in the upper 

 axils, not exceeding the leaves, solitary, 2-bracted. Calyx-lobes as long 

 as the tube. Corolla twice as long as the calyx, ochroleucous. 



S. Patagon., by Rio Sta. Cruz ; rare. 



2. B. LONGIFOLIA Speg. 



Leaves fasciculate, imbricate, not rosulate, nor rigid, linear, entire, ob- 

 tuse, the apex scarcely callous. Flowers long-exsert from the upper 

 axils, solitary, 2-bracteolate. Calyx-lobes shorter than the tube. Corolla 

 ochroleucous, thrice as long as calyx. 



Patagon., by Golfo de San Jorge and Rio Sta. Cruz. 



3. B. NORDENSKJOLDII N. Br. & Dusen. 



Leaves erect, imbricate, densely crowded, about 6-9 mm. long by 1-5 

 mm. broad, linear-acute, concave above, subcarinate 

 below, glabrous. Flowers solitary in the axils of the 

 upper leaves, with 2 bracts, 4 mm. long by i mm. 

 broad. Calyx 4 mm. long. Corolla 8-10 mm. long, 

 tube cylindrical, apex plicate, with 5 spreading, trun- 

 cate lobes. Stamens included. Cells of ovary 4-6- 

 ovulate. (Fig. 91.) 



S. Patagon., by O. Nordenskjold. Leaves narrower 



Benthamiella nordtmk- and more a CUte than in B. patagOHtCa. 

 joldii. Flower; its in- 

 terior and expanded calyx, 4. B. PATAGONICA Speg. 



Branches woody, 5 mm. thick, naked below, with 

 rimulose, fuscous cortex and white wood ; above irregu- 

 larly and laxly branching, and the upper branches rosulate-leafy with linear, 



FIG. 91. 



