DIDYNAMIA. ANGIOSP. 1229. Barbiia. 
991 
India. Pluk. aim. /. 1 19./. 5. Bumph. amb. 7. /. 13. 
Stem wand-like : branches nearly Iquare : halves glabrous, 
Spines axillary, pedate, in fours: leaves very entire, 
lance-ovate. 
India. Rheed. Mai. 9. p.'JJ- tab.t^\. 
Stem round; leaves pubelcent underneath. 
Spines axillary, compound, 3-rayed: fpikcs terminal, im- 
bricate. 
Arabia Felix. Vahl.fimb.\,p.e^^. Spines white. 
» 
Spines axillary, 2-rayed, fupporting the flowers: leaves 
ovate, hairy underneath. 
Arabia Felix. Fahl-f/mb. l, p. 46. 
Spines fometiraes twice cloven, longer than the leaf. 
Spines oppolite, axillary, folitary : leaves roundilh, very 
entire. 
Indies. Rheed. Mai. 2. /. 91. t, 47. 
Spines axillary, .branched: leaves lanceolate, very entire, 
ending in a point ; bradles ovate, fcarions : tube ot 
the corol elongated. 
Arabia Felix. 2) Brakes fpinous at the edge. 
Brakes glabrous : flovsers blue. 
P'osdes. Spines in pairs, axillary, foliaccous : fpikcs axillary, 
leaning one way. 
Arabia Felix. Vahi.Jpmb. i.yi. 47. 
^ , Leaves oblong, very entire, ending in a point, hairy. 
Leaves oblong, very entire : 2 leafets of the calyx broader 
'‘'kosa. 
and ciliate, 2 linear and acute. 
India. Moris, fefi. 1 1. t. 25./'. 7. Osb. it. 225. t. 8, 
Stem round ; fiovjers axillary, feffilc, blue. 
Unarmed: leaves oblong, with lanceolate briftles under-, 
neath: petioles and branches with lanceolate briltles; 
bradtes ciliate. 
Fall Indies. JVslld. fp. pi, 3. p. 379. n. 1 1. 
Spikes terminal, ovate; fioveers blue. 
Leaves ovate, acute, pungent: braites ciliate : fpincs o. 
The Cape, Linn, fuppi. 290. 
Unarmed; leaves ovate, filky : bradfes heart-fhaped, fca- 
nous ; corol very long. 
Malabar, l^ahl./vmb 1. p 46. t, 16. 
Branches tilky : leaves very entire; plovers terminal; bractst 
reticulate, feffile, with 4 other linear filky ones under them 
difpofed crofswife. 
