710 PATAGONIAN EXPEDITIONS: BOTANY. 



soon deciduous. Flowers terminal on the branches, subracemosely erect 

 on a very short, 2-bracteolate peduncle. 



Patagon., by Golfo de San Jorge ; Puerto Madryn. 



4. FABIANA PECKII Nied. 



Branching shrub ; all the branches approximate and ending in solitary 

 flowers or racemes. Cortex glabrous, obscurely spotted. Leaves small, 

 narrow-linear, 4 by a half mm., obtuse, sessile, deciduous. Flower on a 

 nearly leafless branchlet. Calyx 5-lobed, its lobes triangular-acuminate. 

 Ovaty subovate, in a fleshy 2-lobed disk. Fruiting calyx 5 mm. by 2 mm., 

 glabrous, gray. 

 N. Patagon. 



8. PETUNIA Juss. 



Viscid, pubescent herbs, with entire leaves and axillary or terminal, soli- 

 tary, usually large, white to purplish flowers. Calyx 5-partite, with nar- 

 row segments. Corolla funnel- to salverform, plicate. Stamens inserted 

 in the throat of the corolla, 4 and didynamous, or 5 and unequal. Disk 

 fleshy. Ovary and capsule 2-celled. Style filiform ; stigma 2-lamellate. 

 Seeds many, rugose. 



Species 12, S. Amer. 



i. P. AXILLARIS (Lam. sub Nicotiana, 1797; P. nyctaginiflora 



Juss., 1803) Britton. 



Stout, 30 cm. high. Leaves ovate to obovate, rather blunt, sessile and 

 opposite near the flowers ; alternate and becoming short-petioled down- 

 wards. Peduncles slender, about 7 cm. long. Calyx-segments narrow. 

 Corolla-tube slightly enlarged upwards, thrice as long as the calyx, the 

 limb abruptly spreading to 5 cm. broad, with rounded lobes. 



(S. Brazil ; Argentina) ; N. Patagon. Cultivated in gardens, and 

 escaped everywhere. (Fig. in Britt. & Br. iii, p. 141.) 



2. P. HUMIFUSA Dunal. 



Herbaceous annual, with prostrate stems, 5-10 cm. long, scarcely 

 puberulent and glandulous. Leaves oblong-linear, 30 mm. long, sub- 

 spatulate, repand, obtuse, attenuate-petiolate, the petiole subamplexicaul. 

 Flowers solitary, axillary, long-peduncled ; peduncles filiform, not as long 

 as the leaf. Calyx subcampanulate, deeply 5-cleft, the segments oblong- 



