294 PITTOXIA. 



long, exceeding the leaves: calyx a line long, the slender 

 teeth I line; corolla twice the length of the calyx, salphnr- 

 yellow (deep red when "withered in age) : pod strougly 

 arcaate, the slender beak equalling the body, this 1-seeded, 

 On Wilson's Peak, Los Angeles Co., California; collected 

 by my very good correspondent, Dr. Anstruther Davidson of 

 Los Angeles ; date August, 1892. A species related to _L. 

 Nevadensis^ but very unlike it in habit, pubescence, inflores- 

 cence and color of flowers. 



Hedysarum: 



Sabacaulescent, 



scarcely a foot high: racemes short, few-flowered: flowers 

 large, pure white. 



Mr. J. H 



Par more than an albino state of H. Mackenzii; perhaps 

 identical with some Asiatic species; but the plants were just 

 coming into flower when gathered, so that there is no trace of 

 the lomeni 



ge, the herbage 



Claytonia nubigena. Annual, with the habit of C, per- 



folidia, but only a third or a fourth as la 



pale and glaucescent, the white or pinkish flowers twice as 



large: leaves all linear ; involucre orbicular. 



On the liighest summits of western Californian mountains, 

 Tamalpais (Jepson),Mt. Diablo and Mt. Hamilton (Greene); 

 the species no doubt heretofore confused with the smaller 

 forms of C. perfolidta angusUfolia, Greene. It is inter- 

 mediate in character between two such very distinct species 

 as C. perfoUala and rjjjpsophiloides, exhibiting the general 

 morphology of the former, but Avith a glaucescent herbage 

 which brings it near the latter. But in its habitat it is not 

 intermediate between them ; for it seems confined to the sum- 

 mits of our highest middle Californian mountains. The belt 

 of C, gijpsophiloides is well marked, and about midway 

 between the base and summit of such mountains, while C. 

 perfoliaia is of the plains and foothills only- The three 

 species nowhere infringe upon each other's territory. 



