Indigofera. leguminos.e. 189 



3. I. Arabica (Jaub. et Sp. Illustr. Or. V. tab. 479) suffruticu- 

 losa strigulosa sericea, caulibus diffusis, foliis pinnatirn 2-3-jugis fo- 

 liolis obovato-oblongis mucronulatis, stipulis subulatis minimis, race- 

 mis breviter pedunculatis brevibus folio brevioribus, leguminibus 

 deflexis oblongis rectis planis abrupte cuspidatis 2-5-spermis valvis 

 carinatis 5- 



Hab. io valle Ouadi Katte Arabise Petreae (Anders. in Journ. Proc. Linn. Soc. 

 Florul. Aden. p. 16j. Non vidL 



Flores parvi coccinei, legumen 2-5 lineas longum 3-2 Vi latum. 



Ar. Geogr. Arabia Felix ad montem Maammara (Botta), Aden (And.). 



Sect. III. Eoindigofera. Bth. et Hook. l. cit. — Ovarium 2-pluriovu- 

 latam. Legumen teres vel tetragonum. 



4. I. tribuloides, annua, adpressiuscule canescens, caulibus 

 prostratis, foliis pinnatim Irijugis foiiolis oblongo-eliipticis obtusis, 

 stipulLs lanceolato-subulatis , racemis rainutis capitatis ovatis sessili- 

 bus densifloris, leguminibus Calyce strigoso-hirsuto 2 '/a-plo longiori- 

 bus laxe et adpresse hirtis patentibus breviter cylindricis mucronu- 

 latis trisperfnis, seminibus cubicis Isevibus Q. 



Hab. in cultis Affghaniae ad Khotabah Chnch (Griff !), Affghaniae (Stocks!). 



Facies omnino Tribuli terrestris, capitula florifera vix magn. pisi, legumen 

 2 Vi lineas longum. Affinis /. trigonelloidi J. et Sp. tab. 482 caule erecto pro- 

 cero crasso, leguminibus subtetragonis, seminibus faciebus 3-4 foveolatis dis- 

 tinctae. 



5. I. Burmanni, annua, adpresse canescens viscidulji, caulibus 

 elongatis ramosis proslratis, foliis pinnatim 4-jugis foliolis parvis 

 obovalis obtusis, stipulis subulatis minimis, raceinis laxe 4-6-floris 

 folio landera longioribus, corollel calyce hirsuto plus duplo longiore, 

 leguminibus subsessilibus tandeni subdeflexis inter pilos adpressos 

 sparsos glandulosiscylindrico-subcompressis mucronatis 5-6-spermis, 

 seminibus globosis Isevibus ©. /. semitrijuga var. /3. tdraspcrma, 

 D.c. Prodr. II, p. 230. — /. argentea Burm. Ind. 171? non L. 



Hab. in siccis Belutschiae (Stocks !), Persiae australis (ex Burm.). 



Ab /. enneaphi/lld L = semitrijugd Forsk. racemis laxis et leguminibus 

 elongatis (5-7 lin. longis) 4-6 neo 2 spermis distincta, ab /. viscosd canle pros- 

 trato, foliolorum et seminum formd. 



Ar. Geogr. Nubia ad mare Rabrum (Schweinf!), Arabia subtropica ad 

 Djeddah (Schimp. exs. 882 !). 



6. I. viscosa (Lam. Encycl. III, p. 247) annua, adpresse canes- 

 cens glandulis intermixtis, caule erecto patule ramoso, foliis pinnatira 

 4-6-jugis foliolis elliptico-linearibus acutis vel mucronulatis, stipulis 

 setaceo-subulatis, racemis multifloris laxis folium sequantibus vel su- 



