Oedbb 46.— LBGUitlNOa^. 31 Y 



3 P. cSmeum Mx. Glabrous, erect; Ifts. 5 to 7, lance-linear; tpiJxs oblong, pe- 

 dunculaie ; bracts obovate, somewhat exceeding the short teetli of , the glabrous 

 calyx ; pet. oblong, narrowed at base in the long claws. — Ga. and Fla. Slender, 

 brancluDg, 1 to 2f high; Ivs. fascicled in the axils. Lfts. acute, 5 to 8" long. 

 Spikes 1' long. Fls. roseate or white. Aug. 



4 P. grdcile Nutt. Glabrous, decumbent at base ; Ifcs. 1, lancc-lineur ; spikts 

 oblong or cylindrical, somewliat sessile ; bracts acute, about equaling the short, 

 blunt calyx teeth; petals ovate; vex. broadly cordate. — ^'B W. Fla. and Ala. 

 nearly simple, 1 to 2flong, leafy to near the top. Lfts. ^ to 6'' long. Spikes f. 

 to 12'' long. Fls. white. 



5 P. corjrmbosum Mx. St. corymbously branched ; spikes capitate, sessile ; 

 bracts broad, colored, the outer leaf-bearing and flowerleas; lfts. linear, 5 to 7. — 

 A singularly elegant plant of the pine barrens, N. Car. to Fla, Sts. 1 to 2f liigh, 

 many from one root, each with a corymb at summit. Heads nisomblo the Com- 

 posita), witli red scales and white lance-oblong petals. Sept., Oct. 



38. ASTRAG'ALUS, L. Milk A'etch. Calyx 5-toothccl; keel of 

 the corolla obtuso ; stamens cliadelphous (9 and 1) ; legumes 2-celled by 

 the introfloxion of the lower suture. — Herbaceous or suffrutioous, witli 

 unequally pinnate Ivs., and the fls. in spikes or racemes. 



^ Leguinea straight, cyliuflric. Flowers oclirolencous No. 1 



§ Legumes curved, prisrn.-itic. Kls. whitisli or bluish Nos. 2 — i 



% Legumes globular, flesliy. ^Is. whitish or blue No. 5 



1 A. Canadfinsia L. Canescent, erect, diffuse ; stip. broad-lanceolate, acumi- 

 nate; lfts. about 10 pairs, eUiptioal, obtuse at both ends; the lowest ovale, ob- 

 tuso; pod. about as long as the Ivs., when in fruit shorter; bracts subulate, es 

 long as the cal. ; ils. somewhat reflexcd ; leg. ovate-oblong, terete, suberect, 

 smooth, many-seeded, abrupt at the end and tipped witli the permanent style. — 

 y River banks, etc.. Can. and U. S. St. bushy, about 2f high, very leafy. 

 Fls. greenish-yellow, in dense spikes. Pods V in length, leathery. Jl. Aug. 



2 A. gibber Mx. Nearly glabrous, erect ; stip. minuta or ; lfts. 8 to 11 pairs, 

 oblong-lanceolate or linear, obtuso or emarginato ; spikes loose, much longer than 

 the Ivs. ; bracts subulate, scarcely longer than the pedicels ; leg. flattened, reticu- 

 lated. — y Pino barrens, N. Car. to Fla. St. 1 to 2f high. Fls. greenish white. 

 Pods distant, IJ' long, spreading, incurved, acute at each end. Apr. 



3 A. oboord^tua Ell. Nearly glabrous, decumbent or assurgont ; stip. lance- 

 olate ; lfts. 7 to 1 2 pairs, obcordaie or obovate, pod. about as long as the Ivs., few- 

 flowered, (Is. pedicellate; cal. teeth subulate, about as long as the tube; kg. curved, 

 pointed, strongly reticulated. — River banks, N. Cai'. to Fla. Plant low and leafy, 

 ascending 4 to 8'. Fls. blue and white. Pod 1' in length. Lfts. 3 to 4" long. 



4 A. distortus Torr. & Gr. St. and ped. as in No. 3; stip. ovate; Ivs. long- 

 petioled, lfts. oblong-obovate, mostly omarginate, 7 to 1 2 pairs ; spikes short ; cat. 

 teeth triaijgular-acUBiinate, half as long as the tube ; leg. smooth, declinate, curved. — 

 Prairies, W. 111. (Mead) to Ark. Branches ascending 4 to G'. Lfts. 3 to 5'' by 1 

 to 2'. Fls. blue, 6'' long. Pod.? 1' long, beaked willi the coiled style. Probably 

 a variety of the last. 



5 A .Mexic^aua A. DC. Low, branches decumbent, glabrous ; Its. pedunculate, 

 lilt:. 7 to 10 pairs, obovato, emarginato; ped. rather longer tlian the Ivs. ; spikes 

 .-holt, 10 to 15-flowered; leg. globular, obtuse, succulent, sweet-tasted. — Prairies, 

 111., Mo. to Ark. Plant 3 to 6' high. Lfts. 2 to 3" by 1 to 2". Fls. about 9" 

 I'lng (yellcwisli whito in h. s.), bluish ? Fr. as large as the plum, and " cateu 

 unripe by tra\'elers, raw or cooked." 



39. PHA'CA, L. (Gr. <,paK7/, lentil, from (l>dy(^, to cat.) Calyx 

 5-toothcd, keel obtuse; stamens diadelphous (9 and 1) ; letrume eon- 

 tiuuou.s, turgid, 1-ccIled ; placentas tumid, several-seeded. H Lvs. nn- 

 tqually pinnate. Fls. in axillary, pedunculate raceme. (Differs from 

 Astr,ic;alus only in its fruit.) 



* rinnt. d«-Ti.«tly ^ill(»up. Flowers preerleh yellow No. 1 



• riiiut ntitiy ijiabroue. >";owei8 white or purple Nol. 2 — i 



