412 



INDEX. 



arenaria, 301. 



basilaris, 298. 

 brachyarthra, 302. 

 bulbosa, 297. 

 csespitosa, 295. 

 Camanchica, 293. 

 chlorotica, 291. 

 cymochila, 295. 

 dulcis, 291. 

 Engelmanni, 290. 

 erinacea, 301. 

 Ficus-Indica, 290. 

 filipendula, 294. 

 fragilis, 301. 

 fusiform Is, 297. 

 fusco-atra, 297. 

 humifusa, 295. 

 hystricina, 299. 

 Lindheimeri, 291. 

 macrocentra, 292. 

 mesacantha, 295. 

 macrorhiza, 296. 

 microdasys, 298. 

 Missouriensis, 299, 315.* 

 Mojavensis, 293. 

 occidentalis, 291. 

 phseacantha, 292. 

 procumbens, 292. 

 puberula, 299. 

 Rafinesquii, 295. 

 rufida, 298. 

 setispina, 294. 

 sphcerocarpa, 300. 

 Strigil, 290. 

 stenochila, 296. 

 tenuispina, 294. 

 tortispina, 293. 

 Tuna, 290. 

 vulgaris, 297. 



