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LEGUMINOSiE. LXXVIII. Psoralea. LXXIX. Indigofera. 



205 



of Madeira, not of America. P. Americana, Lin. spec. 1075. 

 Jacq. hort. schoenb. 227. — Lob. icon. 2. t. 31. f. 1. Flowers 



elastically. Stamens diadelphous. Style filiform, glabrous. Le- 

 gume nearly terete (f. 33. c), or flator-tetragonal, 2-valved, many- 



white, but the keel is dark purple at the apex. Calyx glandular seeded, rarely few-seeded or ovate, 1 -seeded at the base or sub- 



and smoothish. 

 Far. ft 



P. polysta- 



globose. Seeds ovate, truncate at both ends, and usually separ- 

 ated from each other bv cellular substance. — Herbs or sub- 



cliya, Poir, suppl. 4. p. 587. if thesynonyme be rij^htly attached. shrubs. Stipulas small, distinct from the petiole. 

 Native of Mauritania, near Alcassar. 



ToothedAesived Psoralea, 

 58 



Fl. Jul. Aug. 



Clt. 1640. Sh. 1ft. 



or 



Peduncles 

 Flowers disposed in racemes, purple, blue, or white. 



Leaflets 



P. rucA^TA (Delil. fl. segypt. p. 109. t. 37. f. 3.) branches 



axillary. 



Leaves nupari-pmnate 



stipellate at the base. 



digitate, 



The 



warted from glands ; leaves pinnately trifoliate ; leaflets oblong- pressed and fixed by their centre. 



or simple, 

 hairs on the plants usually 



usually 

 ad- 



lanceolate, plicate, repand-toothed ; spikes axillary, longer than 

 the leaves ; rachis permanent after the flowers have fallen, and 



§ 1. SimplicifoUa ("from simplex^ simple, ai\i\ foUinn y a leaf; 



becoming hard and spinose. ^ . G. Native of Upper Egypt, at |!^ reference to the leaves of all the species contained m this 



llie foot of the mountains between Qournah and Medynet-abou. 



/^/«/'erf-lcafletted Psoralea. Shrub 1 to 2 feet. 



5^ P. OBTusiFouA (D. C. prod. 2. p. 221.) branches and 

 leaves clothed with adpressed canescent pubescence ; leaves tri- 

 foliate : leaflets obovate, plicate, denticulated, the middle one 



petiolulate, Tj 

 cat. 1214. 



Native of the Cape of Good Hope. Burch. 

 This plant is very much like the preceding species. 

 Ohluse-leaved Psoralea. Shrub. 



GO 



f Species not svffii 



division being simple). Leaves simplcy sessile, or standing on a 

 very short petiole. 



1 I. UNiFOLiA (Retz, obs. 4. p. 29. and G. p. 3S. t. 2.) leaves 

 obovate, obtuse, mucronate, hoary ; racemes axillary ; flowers 

 hardly pedicellate; legume ovate, globose, 1 -seeded. ©. S. Na- 

 tive of the East Indies. Roxb. cor. 2. t. 195. Hedysarum lini- 

 folium, Lin. fil. suppl. 331. I. polygonoides, Wcndl. Sphse- 

 ridiophorum, Desv. journ. 3. p. 125. t. 6. f. 35. Flowers red. 



Flax-leaved Indigo. Fl. July, Aug. Clt. 1792. PI, proc. 



2 I. tetraspe'rma (Vahl. ined. in herb. Juss. ex Pers, ench. 



P 7 tJTTT, ' rT 1 J 1 \ ^ 1 XI. tetraspe rma I vani. nieu. m neru. juss. ex i ers. encn. 



i)innatP /lo.fll! '"IT ^ coch. p. 444.) arboreous; leaves ^^ g) j^^^^^ ^j 1 y acuminated, hoary ; flowers axil- 



rc;i!x r?h "^'r^-^^^^'. pduncles lateral many-flow- ^ ^^^^^i ^^yj [ ^ '^ ^^^^^ ^^^' 4/,^^^^^.^. ©. S. 



erea, calyx rather truncate, biglandular at the base, }2 "^ ^' ^ 

 Native of Cochin-china, in woods. 



Tree 10 feet. 



. Flowers reddish -w^hite, 



/Ce'dd^Ji-flowered Psoralea. 

 ^ 61 P. ? scuTELLA TA (Lour. cocb. p. 443.) arboreous 

 impan-pinnate ; leaflets ovate, acuminated, glabrous ; 

 crowded, nearly terminal; calyx scutate, glandular. T2 



Mtive of Cochin-china in woods. Flowers violaceous. Legume 

 1-2-seeded. 



leaves 



spikes 



. G. 



Native of Guinea. J. scoparia, Vahl. ined. ex herb. Puer. 

 Stem erect, branched, herbaceous. Flowers red. 



Four^seeded Indigo. PI. 1 foot. 



3 I. PANicuLA^TA (Pcrs. cuch. 2. p. 7.) leaves oblong-linear, 

 nearly naked ; peduncles shorter than the leaves, the alternate 

 ones terminal and panicled, elongated ; legume terete, deflexed, 

 4-seeded, glabrous. I2 • S- Native of Guinea. Stem much 



^«?^C£?r.calyxed Psoralea. Tree 20 feet. 

 U-] q Hu^MiLis (Mill. diet, no, 7.) leaves impari-pinnate, 

 ^it 1 3 or 4 pairs of roundish, villous leaflets ; heads of flowers 

 axilary and terminal. Tj . S. Native of Vera Cruz. Flowers 

 jellow, mixed with red. 



Humble Psoralea. 



63 P.? sca'ndens (Mill. diet. no. 4.) leaves pinnate, with 3 



branched 



Flowers red. 



Panicled Indigo. 

 4 I. 



branches twiggy. 



Shrub 1 to 2 feet. 



(Lam. diet. 3. p. 251.) leaves 



oblong- 



Shrub 5 to 6 feet. 



br"^^ ^\ °^ obtuse leaflets ; racemes sessile, axillary ; stem 

 ranched, climbing. Tj • v^. S. Native of Campeachy. Flowers 



lie. Perh 



aps a species of Gdlesa. 

 CV.mfi;«g Psoralea. Shrub cl. 

 sun V ■ ^^°^^^ATA (Lin. amoen. 6. p. ^^.) leaves glabrous, 

 one tT'fiTT^'*""^' digitate ; lobes and lobules linear, middle 

 ciimTi'^ f ' ^^^^'"^s axillary, pedunculate, roundish ; stem de- 



ombent. 



yellow. 



The 



T?.G. 



Native of the Cape of Good Hope. Flowers 

 . . 1. — has the habit of a species of Hermdnnia, 

 Bump • ^" f ^'■^ ovate and the stamens diadelphous. The le- 

 Prn^ "r"?."""' therefore the genus is doubtful. 

 / /ra/e Psoralea. Shrub prostrate. 



m 



C'«// AlfT'""""' , '^"^"" P'"ostrate. 



bloo Vu species of this genus are rather elegant when 

 mixtur V 1 stove and greenhouse kinds grow best in a 



I'lanted ' ^^"" ^"^ P^^'' ^"^ ^"^""2 cuttings root freely, if 

 tliose of 'ti ^ P^^ °^ ^^"*^' ^'^^^ ^ bell-glass placed over them ; 

 natives f V ^^V^ species in heat. The frame kinds, or those 



«-« oy seeds, or cuttings will strike root. 



orrum.^; ^^piGO'FERA {indigo, a blue dye, stuff, which is 

 Partof • ^"'''''""''^"d'an. and /t-ro, to b 

 Em. ill fi^?*''''^' "i ^\^ g^»"^ P^o^"'^^ '"digo). 



►rod. S 

 Calyx 



SIMPLICIFOLIA 



linear, almost naked ; peduncles shorter than the leaves, each 

 bearing 3 or 4 remote flowers ; leguine terete, tetragonal, mu- 

 cronate, erect, 12-16-seeded, glabrous. ^ . S. Native of Sierra 

 Leone. Stem erect, much branched ; branches tvviggy. Leaves 

 an inch long. 



Simple-leaved Indigo. Shrub 1 to 2 feet. 



5 I. FiLiFOLiA (Thunb. prod. 132. fl. cap. 595. but not of 

 Ker.) leaves and branches filiform; the strigae on the leaves, 

 branches, and calyxes are few and adpressed ; racemes pedun- 

 culate, few-flowered ; legume deflexed, filiform. Pj . G. Na- 

 tive of the Cape of Good Hope. Flowers red or purple. 



Fl. July, Oct. Clt. 1812. Sh. 1 ft. 



6 L OBLONGiFOLiA (Forsk. descr. 137. Vahl. symb. 1. p. 55.) 

 leaves simple, oblong, silky ; racemes axillary, 3-times longer 

 than the leaves ; calyx and vexillum villous. I? . G. Native of 

 Arabia Felix at Lohajam. A decoction of the herb is used in 

 Egypt against the colic. 



Oblong-leaved Indigo. Shrub. 



Thread- leaved Indigo. 



a 



W sv.r'r.- ;.V' '^S- niem. vi. prod. 2. p. 221. 

 Vexilli. Jl ^!«y^/pAm, Decdndria. Calyx 5-cleft ; 



Lin. gen. 889. 



7 1.? deprl'ssa (Thunb. prod. 132. fl. cap. 50G.) leaves 

 ovate, silky ; branches stiff, pubescent ; spikes terminal, leafy, 

 silky. l2 . G. Native of the Cape of Good Hope. Willd. 

 spec. 3. p. 1222. Flowers red. 



Depressed Indigo. 

 - 8 I. ovA^TA (Thunb. prod. 132. fl. cap. 596.) leaves simple, 

 ovate, villous ; stem erect, glabrous ; racemes terminal, ovate. 

 \2 . G. Native of the Cape of Good Hope. Flowers red. 



Ot-a/e-leaved Indigo. Shrub. 



9 L Mysore'nsis (Rottl. in herb. Balb.) leaves elliptic, mu- 



Shrub prostrate. 



*exi]luin ,. "^^T'"«> ^ecanrfna. Ualyx 5-clelt ; lobes acute. 



* fiubulatP^^^^ ^^^ emarginate (f. 33. a.). Keel furnished with 



« spur on both sides, at lenath nsuallv bending back 



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