sTUDi:es OF thawctracbae; — ii. 93 



long, short-petioled leaflets rather constantly 11, not very 

 glaucescent above and somewhat shining as well as conspicu- 

 ously though very delicately venulose, the lower face very 

 glaucous and more coarsely veiny, the lobes shallow and very 

 obtuse : pedicels often V^ inch long, abruptly recurved, the 

 longer seeming pendulous, the fruit often of a single achene, 

 less commonly of 2 or 3, narrowly obovoid above a short thick 

 stipe, the body but little inequilateral and style not much 

 curved, the ribs few and coarse, intervening striae rarely 

 manifest. 



A very hard and rigid small species, represented by numer- 

 ous specimens on sheets 303,811 and 303,812, U. S. Herb. 

 Collected by M. E. Jones, near Fish lyake, Utah, in August, 

 1894. 



Thalictrum ELEGAntulum. About 6 inches high, the 

 leaves 2 to 2j^ inches long, their petioles short but slender, 

 these and the equally slender stem without purple tint and 

 pale green ; leaflets usually 21, glaucescent and dull as well as 

 prominently venulose on the upper face, very glaucous beneath 

 and also there prominently veiny, the lobes abruptly acutish : 

 stem with a solitary and simply ternate leaf below the middle ; 

 pedicels about }i inch long, filiform, recurved, not pendulous : 

 achenes most commonly 3, rarely 2 or 4, very shortly and 

 stoutly yet not indefinitely stipitate, of subfalcate-oval figure 

 with short uncinate style, also somewhat stoutly ribbed and 

 with some intervening shorter striae. 



Clover Mountains, Nevada, S. Watson, Sept., 1868; his n. 

 5 as in U. S. Herb. 



Thai,ictrum Monoense. Plants slender, 3 to 5 inches 

 high ; foliage short and compact ; leaflets only 11, mostly as 

 broad as long, obtusely about 3-lobed, dull glaucescent green 

 above and there mostly veinless except as to the lobes, these 

 marked by 1 to 3 slender but sharply prominent whitish 

 veins, the lower face very glaucous and venulose : flowering 

 pedicels short, slender, pendulous : sepals oblong-lanceolate, 



