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Show [ 7 J 138 late i~ the ~utumn, with staminate aments n •arly matur c1 for the foll~w.~ng.:pnng ... The whole pl.an.t is clothed with a dt•nse v<•lvct pubcsccn c.:e . It Is, p crhap~, a dtsltnc.:l species from R. tr-ilobata. y MALVACEA·~. fMlalvG~ ' lMunr?(\na, D ol~gl. High sandy plains, and in the valley o t 1 e 1 a . 1• I o w c r . b n g h l r o s p c o 1 o r . M. pcdata, 'J'on·. and Gr. UJ)P r I)<Ht of the A ·l . S h 1 lIt ,. t<tlnsas. p mra cea s e at a, I orr. and Or. N ·ar an ta. F6 &c lJ igh- 1 an.< .1 s b · l w c: n l h • d e l No rt · an d t h e 0 i 1 a. ' · tda. ·oe<·tnea, DC. On the l~ a ton mounla'1n. S l l l M 1 evcral other un- < c crmtne< a vacco.c O<;cur in the collection. APlNDACE.lE. apindus mar·ginatus, (soap berry.) Valley of the Gila. RTTAMNACI~JE. scrCucb:b:t nosl hu• s. · ovaJis,, {j. '' To1. r. an d G 0 1·. n the Arkansas. A small 'f . y . pcctes of tlus gcuu was fo(lncl on the Cordill ra . of (".,l I orr11a, towards ~ ' ·tn J)', I h ' (L - coriaccou sm , , . ~~go. t as. thorny bran ches, maJl ovate tio lc T 1' b o.ot\ c n t tre 1 eaves, w h tch arc supported on hor l peneith~ r flo~~ rancft.t·s. arc gl~brou~ and glaucou There were C . rs no.r nut on the spcc11nen. . ovabs, var. Jntcrmcdia r"or. d G ''' .L ' 1 · an r. On the Arkansa '. LEGUMINOSA~. 20 8. esbania macrocarpa, Muld . 0 n t Il C Gila. · In fruit November flo~~~~rrhiza lcpidota, Nutt. Near Santa Fe. Not found in Psoralca esculenta Pun·h. (P kansas. ' om me de Prairie.) On the Ar- A1) . floribunda N tt w· I 1 1 '· tt · ltltleprcccding. . morp ta frut teo sa' Linn. On th G '1 . Wllllout flower and fruit an l tl . ef l a. The . pecJmcns were spec ic . ' l we lCI c ore can no l be certain of the Dal.ca formosa, Torr. in .llnn. l c . , . bca~tt.lful species wa first dctectc'd ~y·])::"j.Yorlc,. 2.Lp. 178. ThiS pcd1t1on. It is a h b . b 1 : .tmes 111 ong's first ex- 1 I s ru <t out tht cc feet 1 . l . 1 croo cec bran chrs, and purpli 1 [1 I N 1 1~ 1, Wtt 1 nume rous ley of the Del N orle. s 1 owcrs.. car Santa 1• c, and val- D. alopccuroidcs W'Lld w· l D. lax iflora Pu;·~·h t .' , It 1 the preceding. B . i d , ' . V .ll l c Y of the Arkansas. . , cs these dal ;:r, there' were t ll . In th collec-tion. bill I h t wo 0 l~r spcct s, both shrubby, not b c a 1r e a 0 y ( · 1. 1 a vOe n ° a· c e r t a Ill e ~I w h e t h c r l hey m ·1 y J < ( CSCl'lOC< nc of lh . I 1 r eailets are in six to s~ . b em ts c n. c y branch ~d; the • vcn paus, roadly obovatc connate about 139 [ 7 J 3 lines long, glabrous abovP, very villous, an<l furnisl1ed with large datk olorl'<l gland· toward th · rnargin undnneath; tl1<'Y arc ob ~;u rc ly to othe d. The flowt·rs nn· in sltc!rl de ns<' ~pik<• s; l'alyx with plumose subu1atc-:-;dareous t<•t·th, ,':"htr~l arc ;1s l.ong- as the tub . Thi · ·pe<'it"' was found on tbe <nla nvt-r. lt JS very ncar J) ramosis::;ima, Bcnlh. in Bot. .. ulph., p. l 1 , t. JO. The other sp<.:cies is anrsn~ ntly tomt·nlose, and <liffus<·ly bt anl'hed. T h · 1' aft e t s arc n a r r n w I y ohIo n g, in t h n· e to four pairs, w b i r h a r di stant. On both sides they arc sparingly furuisb ed with f.tn:ll l red glands, which arr nt•arly <·onccc-d<·d in the down . 'l' hl' fl ow<'rs arc in s b 0 r t 1 0 0 s c sri k (• H' s m a 11 ' p u I' p 1 ('. c a 1 y X-t (' d h s II b II I at l ' ' s h () rt (' l thnn the tube, piUIUOS ', J•~ ound Oil th' great des •rt Wl' t 01' the Colorado. Petalostcmon gr<~cilr, fl. ol igophy11nm. • tcm (' r<'rt; 1 afll ts in 2-3, line a r, s l i g h tl y d ott c d u n tl ern<' at h ; c a 1 y x g I a b r o us, I on g e • than the subulate b racts, th t · •th vl'fy short, ovalc; pdals ob-long. Val ley of th · Drl Nort . Prosopis glandulosa, 1'o1·r. in .llnn . , T~yc. N. York, 2. 1'· 192, t. 2. (mezqu itc.) Al)llud:Hlt in the valleys of all the ri ver ·, from Snnta F 6, w c st. T h c t r u n k o f t hi s t r <' <' is so m 1 i m Nl l 4 i n (' h c s i n d i :1 mctcr. Th pods arc lon g , flat, and fill<>d with a sweetish pulph. They ar' cxecllent food for ho.rses, and arc sometimes used by men in time's of S<'arcily. P. ( trombo ·arpa) Emoryi, n. sp. llran c.hcR glabrous; ~pines in p a i r. , s 1 en cl I r , h o r t , s l r a i g h t , p i 11 n a! a s i n g 1 e p a i r ; l · a f1 e 1 s a b o u t 4 pairs, oblong, sorn what ·oriac·<•ous; th' und ·r surfa c·c, and the peliol •s somewhat pubescent; legume spirally twist ·d into a compa<'l cylind •r. Found in fruit only; on th(' Gila rivn. This sp cit'S i n ·arly allied to th • }J. odorata of l• r(!m o nt'~ 2d report, bul differs in its shorter, broader, and less numtrous leaflds. S <: h r a n k i a u n c in at a , W·i ll d. 0 n t h c A r k an sa s, w h ' r it is ·a 11 c d sensit·ive vine. Darlinglonia braehyloba, DC. With the preceding. S v n a I o l h e r m i m o , ell~ a r e i n t h · o 11 e d 1 o n , b u l tlt e s p c un c n s arc mostly without 1 av<·s nnd flowns. Cassia chamt£crisli-l, Linn. On the Arkansas. ROSACEA·~. Crra.us ili ifolius, Nutt. Mountains of California. The kernel of the fruit has a . lrong flavor of bitt(•r alm ond:. Gt.'urn Virgiuianum, Linn . On the Arkansas. Fallu gia paradoxa, Jt..'ndt. g£'11. G:3 5, S•iever ·ia paradoxa, Don . in Lin_n., t·rans. It!, 1'· 576, t. 22. A remarkabl• roscH'COUs shrub, with wl11~<.' flowers, and vt•ry long sll·nder plumos(' tails to thr caqH'ls. It dtffrr , in some rcspe et"l, from l•:ndli rh<'r's rharacter of' the gerHt.'; but. I !tave not had an opportunity of comparing it with Don's dcscrtptton and figure. lt was found in various partR of the valley of the Del Nort •. Can it be Gcnm dryadoides, DC. t CcrcoC'arpus parvifolius, Nnlt, Torr. and Ur.,jl. 2, p. -1~7 .. A shrub about 12 feel high, with numerous straight branches spnngtng |