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Plants collected in 1941,in North-4^ western Coahuila and some of the adjacent 
parts of the State of Chihuahua,Mexico, 
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May 27.I94J Santa Elena,Coah:is on the eastern tfank of the 
Sierra del truces.100 Kilometers north of Sierra 
MB P,ir»nT . ,, „...iJiSiBltj 
__ _ __ del Cruces 
348 Purple sprea&ing^-io'em"common*on dry limestone sloffe;§er^a S p|elrl na 
349 White spreading »» « tt n tt 
350 Purplish white erect 1-4 cm. Fairly abundant,Limestone slopes. 
351 Purple Scraggly shrub 20-40 ems.,abundant 
352 blue 5-40 cm. * airly abundant on silty soils. 
tt 
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353 Largoncillo or Barra Prieta,yellow shrub 1-3 M. Wy common on 
gravelly or rocky flats and hillsides from 1300 -1700 M. 
354 Spreading on silty soils milky sap.Common on flats.Yerba del Pajarito 
355^£rt*K Light purple 1-3 M. common along arroyas and hillsides.Charras- 
356 yellow 1-3 M.common along arroyas.Flor de San Antonio or Minorio? 1110 
357 Red 1-2 M.Shrub,common ” « Mirto 
358 Purple spreadind common on limestone slopes. Yerba del Pobre. 
359 Lavender I-*4M. shrub.common along arroyas.Mimbre. 
360 Mesquite 1-5 M.Fairly common on silty flats less so on foothills. 
348 - 360 were collected in the immediate vicinity of Sta.Elena ,on the 
eastern foothills of the Sierra del Cruces.May 27,1941. 
361 Coco.Orange common on silty flat. 
362.Palmito I -3 M.One colony seen on silty flat. 
361 -362 were collected One kilometer south of Las Norias which is located 
36 kilometers north of Sierra ^ojada,C6ahuila. 
O 363 Leche de Burra erect silty flat not common I k.S.E.Sta.Elena 
364 Palo Blanco Tree 2-4 M. Common along sandy arroyas 3 K.S.E.Sta.Elena. 
365 White In shade along sandy arroya. Not common 
366 Agrillo Fruit orange red.Common along arroyas 
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367 Vining 1-1,5 M. In shady arroya,not common. « 
rO 368 Yellowish white spreading Low silty flats,not common « 
369 Platiada,white spreading ” ” tt « it tt 
370 Ventocidad,Deep blue decumbent 8—12 cms.Fairly common ” 
371 Yellow 5-25 cms. dry hillsides Not very common.” 
372 Shrub 1-2 M.Common along arroyas. Cuervilla »» 
373 Yerba Tildillo,yellow 3-6cms. dry hillsides not common ” 
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