38 



bout 1 cm. long, '2-5 mm. long in flower. Pods about 5 em. long 

 and 1 mm. wide, the seeds appearing slightly in 2 rows and nar- 

 rowly winged, the central nerve going nearly to the tip but the 

 lateral ones faint, pod verjr flat, with triangular tip and sessile 

 stigma, nearly erect. Flowers purple, erect, about 5 mm. long, the 

 oblanceolate petals about i longer than the dark-purple sepals 

 which as in the rest of the genus are oblong and rounded and with 

 narrow hyaline margin, sepals less ho;try than the leaves. This ap- 

 pears near A Parishii. It grows with A. pulchra on hot mesas at 

 Pleasant Canon Argus Mts. Cat. Tropical Life Zone. May 6 1897 

 Jones. 



Arabis Bridged n. sp. 



Caespitose perennial, with several small crowns from a woody 

 and shortly-branched root, with the habit of a Cardamine but not 

 growing m moist ground, and belonging to the A. hirsuta group. 

 Boot leaves several to each crown, from nearly oval to spatulate, 

 obtuse and rounded, entire or rarely dentate, thickish, flat, on 

 slender petioles, about 2 cm. long, the blade about ± the whole, 

 sparingly ediatt with coarse and simple acicular hairs, the surface 

 minutely granular, about I cm. wide. Stem leaves sessile, oblance- 

 olate to narrowly > elliptical, obtuse, only the uppermost minutely 

 and acutely eared. Sterna stout, erect, abaut 1 dm. long including 

 the narrow inflorescence which is over ^ the whole. Pedicel 



fruit aooui 1 em. long, stout, ascending. Pods erect, strict, 2 cm. 

 long and barely 1.5 mm. wide, shining, nerved to the tip and with 

 prominent lateral nerves, few-seeded; seeds appearing in one row 

 oblong wingless, large. Tip of pod acuminate and style 1 mm. 

 long Flowers gone. This is probably the A. furcata reported by 

 Bjdbem from this region. Mt Bridger Montana, alpine, Aug. 10 



Arabis Diehlii n. sp. 



fn> . ? >Ut s ' ,ort - llved Perennial and epreading to decumbent 



Z id, 7 . T Ct tU ? r °° t; Crovvns few - Ste ™ coming from 

 the de, slender, about I dm. high, arcuate and tapering Root 



vvu,e b e ^t: 1 -'- r t,re ' t 1 hick ' 8trou ^ «»™». ««£*. *■* »»• 



w oi; r« il T' f g -°r l6>8 ' the obla..ceolate blade fully * the 

 curbed -i Mof L ' 8 r7 Ith , Very r ° U ^ h hairs whic!l «« very coarse, 

 v h athe 'n ? ^ ™ d . »™»J s,mple. Uppermost stem leaves 

 Mth rather .quare and sessile bases but not eared, n.rrnwlv nh- 



lo 



lea 



eared, narrovrly ob- 



the 

 as- 



5,"£S 7" .""< T a " d cal ^ less P»b«e.n than 



a\es. Mature pedicels slender to rather stout * * mm l™n- 



<le„t, auuate. ,„dmed to be , infl. ] arger above> „ cm > nd 



