I20 



COULTER AND ROSE 



ous changes. Since 1880 the following species have been published, 

 in addition to those republished below: E. alternatum C. & R., E. 

 columnar e HemsL, E. involucratu?ti C. & R., E. lemmoni C. & R., 

 E. leptopodtun Hemsl., E. madre?ise Watson, E. tnexicanum Wat- 

 son, E. montanum C. & R., E. nelsotii C. & R., E. re^tans 

 Hemsl., E. schaffnej'i Hemsl., E. seatoniC & R., and E. te?iuissi- 

 mum Hemsl. At the present date, therefore, the published species of 

 the region have increased in number to fifty-two, forty-three of which 

 are endemic. 



The following species described by Hemsley in Hooker's Icones are 

 founded upon material furnished by the National Herbarium. The 



plates are reproduced through 

 the courtesy of the Director of 

 Kew Gardens. 



Eryngium cryptanthum Hemsl. 

 in Hook. Icon. IV. 6 : fl. 

 2sog. 1897. Fig. I. 



E. beecheyatiitm Seem. Bot. Voy. 

 Herald 294. 1856, not Hook. &Arn. 

 Biennial ( ?), glabrous through- 

 out ; stem erect, slender, 1.5 to 4 

 dm. high, sparsely branched at 

 base, the branches erect and di- 

 chotomous or trichotomous ; 

 leaves thin, scarcely coriaceous ; 

 basal onesrosulate, sessile, 2.5 to 

 5 cm. long, oblong-spatulate, 

 spinulose-dentate, with white 

 margin ; stem leaves smaller, 

 few-lobed ; heads few, on slender 

 peduncles, small, ovoid, the 

 largest about 6 mm. long with 

 out the bracts ; involuci'e of 5 to 

 7 rather rigid, spinulose, lanceo- 

 late bracts, 6 to 10 mm. long, 

 enclosing the flowers, mostly 2- 

 toothed at the middle ; involucels 

 of acute bractlets broad at base and a little exceeding the flowers ; 

 calyx-teeth minute, ovate, minutely apiculate, at length incurved; 

 carpels oblong, i to 1.5 mm. long, regularly and completely spongy- 

 scaly, with divaricate styles; oil-tubes minute, i or 2 or none in the 

 intervals, 2 on the commisural side. 



Northwest Mexico: in the Sierra Madre, Seetnan 2135. 



Fig. I. Eryngium cryptanthum. 



