JANUARY 1 TO DECEMBER 31, 1967 99 



320272 to 320339— Continued 

 320279 and 3202S0— Continued 



320280. Hawkes No. 3407. Province La Rioja, Dept. Famatina, Sierra 

 Famatina, valley of Rio Amarillo above La Encrucijada. Altitude 

 3,250 to 3,350 meters. Feb. 5, 1966. Dry stony and sandy hillsides; 

 occasionally on flat ground where cattle have stood. 



320281 to 320294. Solanum chacoense Bitter 



320281. Hawkes No. 3158. Province San Luis, Dept. La Capital, road 

 from San Luis to Trapiche, Quebrada de Los Condores, in a side valley 

 on west side of road. Altitude 850 meters. Jan. 7, 1966. On south 

 facing slope in partial shade of trees in pockets of rich soil among 

 stones. 



320282. Hawkes No. 3164. Province San Luis, Dept. La Capital, road 

 from San Luis to Trapiche, above El Dique, 22 kilometers from San Luis 

 in northeast direction. Altitude 900 meters. Jan. 7, 1966. Weed of 

 maize field, rare. Flowers stellate, white. Three or 4 plants in corner 

 of field. 



320283. Hawkes No. 3194. Province San Luis, Dept. Chacabuco, road 

 from Villa del Carmen to Merlo, one kilometer along a side road to 

 west, to Estanzuela. Altitude 900 meters. Jan. 9, 1966. In tussocks 

 of Cortaderia and other grasses in a palm grove by stream. Ap- 

 parently natural vegetation. Plants to 50 centimeters, with buds and 

 berries. 



320284. Hawkes No. 3196. Province San Luis, Dept. Chacabuco, be- 

 tween Larca and Merlo, 3.8 kilometers south of San Miquel, east of 

 Balcarce. Altitude 1,000 meters. January 9, 1966. By side of road 

 among grass and herbs, and in bushy places behind and among shrubs 

 and trees; also, as a weed in cultivated field. Flowers white, varying 

 from stellate to rotate-pentagonal. 



320285. Hawkes No. 3198. Province Cordoba, Dept. San Javier, 7 kilo- 

 meters from Route 148, 4.3 kilometers east of La Paz. Altitude 650 

 meters. Jan. 10, 1966. In half-monte, half-chaco scrub, probably 

 Espinal; with Prosopis, Larrea, Schinus, quebracho, etc., under shade of 

 trees and shrubs in rich soil, apparently forming part of natural 

 vegetation. 



320286. Hawkes No. 3297. Province Cordoba, Dept. Punilla, near 

 Capilla del Monte, Sierra Chica, path up Cerro Uritorco. Altitude 

 1,100 meters. Jan. 23, 1966. Flowers white, stellate. 



320287. Hawkes No. 3305. Province Cordoba, Dept. Punilla, road from 

 La Falda to Cosquin, 13 kilometers north of Cosquin, Valle Hermoso. 

 Altitude 850 meters. Jan. 24, 1966. In a maize field and among grass 

 just outside. Tall plants to 1 meter in maize field. Flowers substellate 

 to pentagonal. 



320288. Hawkes No. 3327. Province Cordoba, Dept. Cruz del Eje, road 

 from Tanti to Salsacate, Rio Guasta, Sierra Grande. Altitude 1,700 

 meters. Jan. 24, 1966. In field border near river; much eaten by 

 beetles. 



320289. Hawkes No. 3432. Province Tucuman, Dept. Tan, road from 

 Tapia to Siambon, Raco, about 24 km., "Huerta La Raquefia". Altitude 

 1,150 meters. Feb. 12, 1966. Weed of field and by hedge. Some 

 plants to 80 centimeters; no rosettes; other short and rosetted. Stem 

 wings crisped. Calyx glabrous. Berries few, globular, green. 



320290. Hawkes No. 3629. Province Salta, Dept. Guachipas, Route 9 

 from Ruiz de Los Llanos to Pampa Grande at 41.6 kilometers. Alti- 

 tude 1,100 meters. Mar. 2, 1966. By side of road. Very large plant, 

 1 meter tall; dark green leaf. One berry, more or less oval. 



