234 PATAGONIAN EXPEDITIONS I BOTANY. 



2. NICOTIANA ACUMINATA Graham. 



Perennial herb, hairy, with leaves broad-lanceolate, acuminate, undulate, 

 entire, petiolate, sometimes cordate. Panicles few-flowered, calyx glandu- 

 lar-hairy, membranaceous, scarious, 5-nerved, the segments narrow, unequal. 

 Corolla limb long, enlarging upwards, 5-cleft; segments round obtuse, 7 

 cm. long. 



Chili ; Mid-Patagonia, in Chubut Territory. 



3. N. ALPINA Poepp. 

 Syn. Collomia patagonica Speg., Nicotiana monticola DC. 



Erect simple stem, viscous above ; radical leaves long-petioled, oblong, 

 repand, alternate, obtuse; cauline leaves shorter, acuminate, the upper- 

 most linear. Flowers racemose, subspicate. Calyx deeply 5-cleft, the 

 segments narrow, 2 larger, corolla salver-shaped ; its tube exceeding the 

 calyx, inflated cylindric ; limb short, 5-partite. Annual herb. 



Chilian Mts. (not alpine); according to Spegazzini, it is not rare, but 

 occurs over nearly all Patagonia ; was found by Dusen on sandy ground 

 near the Sta. Cruz Emporium, in burnt steppe along Rio Sta. Cruz, and in 

 the upper valley of that river. 



4. N. AMEGHINOI Speg. 



S. Patagonia, near Lago Argentine, along Rio Sta. Cruz, and between 

 Puerto San Julian and Rio Deseado. Spegazzini thinks it may be only a 

 variety of N. alpina Poepp. 



5- N. DESERTICOLA Speg. 



S. Patag., Golfo de San Jorge. 



6. N. PAUCIFLORA Remy. 



Stem strict, simple, hairy, terete. Leaves petiolate, the lower ovate, 

 acutish, the upper narrow linear, all hairy. Flowers few, 2-7, large, 

 pedunculate, Calyx campanulate, as long as the peduncle, teeth long, 

 linear, obtuse, unequal, hirsute. Corolla-tube large, 6-7 times as long as 

 the calyx, lobes obtuse. 



Coquimbo, N. Patagonia, Neuquen, Territory of Pilaipunico. 



7. N. SCAPIGERA Phil. 



Soft pubescent annual. Leaves radical, oblong, obtuse, attenuate to a 

 shorter (16 mm.) petiole; peduncles radical, twice as long as leaves; 



