526 PATAGONIAN EXPEDITIONS : BOTANY. 



VlCIA SERICELLA GLABRATA Speg. 



Glabrate, rigid. Stipules semiovate, rounded at base. Dry meadows 

 by Rio Chubut. 



12. V. SOLISI Phil. (V. saffordi 



Low, branching annual, 15 cm. high, scarcely pubescent. Leaflets 2-3 

 pairs, linear, narrower upwards, mucronate. Cirrhi simple. Stipules 

 narrow, semisagittate, their lobule acuminate. Peditncle axillary, short, 

 i -flowered. Calyx-teeth shorter than the tube, cuspidate-triangular. 

 Corolla twice as long as calyx. 



(Chili); S. Patagon., by Rio Chico ; Magellan (Safford) ; E. Fuegia 

 (Dusen). 



" V. saffordi and V. sericella are allied to V. bijuga, but distinct." 

 (Speg.) 



13. V. VICINA CIOS. 



Slightly pubescent, with weak, tetragonal stem. Leaves 3-4 cm. long, 

 with about 4 pairs of leaflets, 'often not very opposite, oblong-linear, mu- 

 cronate, pubescent underneath. Tendrils simple or divided. Stiptiles 

 semisagittate-subulate, the auricle weak, horizontal. Inflorescence as long 

 as the leaves, 4-5-flowered. Calyx pubescent, the teeth subulate-lanceo- 

 late, shorter than the tube. Corolla 2-3-times as long as the calyx, light 

 blue. Ovary pubescent. 



(Chili) ; Chubut, in fields along Carren-leofu. 



V. vicina tricolor ; flowers 10 mm.; vexillum and wings blue, orange 

 and white succeeding basewards. Leaves often narrow. 



y. vicina azurea ; flowers blue ; leaves larger and broader and obtuser. 



V. vicina pallidiflora ; flowers whitish; leaves mediocre. 



IS. vicina luteiflora ; flowers only 68 mm. long, somewhat orange, keel 

 yellow ; leaves mediocre. 



22. LATHYRUS Linn. 



Herbs, rarely erect, with pinnate, mostly tendril-bearing leaves, and 

 racemose or solitary flowers. Characters of Vicia, but the calyx is mostly 

 oblique, its upper teeth shorter, and the style is curved, flattened and hairy 

 along its inner side. 



Species 1 1 o, distributed as Vicia. 



