206 Key to the System of 



978. Bracteoles acicular-linear, inserted above the base of 



the calyx. 



A rather dwarf shrub ; leaves sessile, from almost ovate- to 

 broad-lanceolar, sometimes ternately whorled, generally 

 beset with soft hairlets, the upper end often somewhat 

 recurved; flowers on short stalklets; bracts very numerous 

 and acute ; upper lobes of the calyx much broader than 

 the lower; fruit turgid, oblique-ovate, scantily beset with 

 hairlets. P. styphelioides. 



Bracteoles lanceolar, inserted below the base of the 

 calyx. 



A shrub, finally tall ; leaves spreading, rigid, short-stalked, 

 mostly straight, from aciculate-linear to narrow-lanceolar 

 or sometimes ovate or cordate towards the base, concave 

 above, darker green beneath, often glabrous; flowers either 

 few together in leafy terminal headlets or some axillary 

 near the summit of branchlets ; fruit ovate, acute, some- 

 what compressed, beset with hairlets ; seeds dark-brown. 



P. juniperina. 



979. Bracteoles inserted below the base of the calyx. 



A diffuse shrub ; branchlets invested with soft hairlets ; 

 leaves very small, rigid, from orbicular- to elliptic- 

 obovate, somewhat concave, slightly arched, soon glabrous, 

 shining above, their secondary venules pmnately prominent 

 beneath ; stipules broad, the upper overlapping, pale- 

 brownish, fringed; flowers axillary, solitary, but crowded 

 into almost terminal leafy clusters ; bracteoles mem- 

 branous, inserted close under the calyx, broad, pale ; 

 calyx membranous, its lobes almost equal and much 

 pointed ; fruit oblique-ovate, turgid, somewhat beset with 

 hairlets, sessile within the calyx. P. densifolia. 



Bracteoles inserted above the base of the calyx ... 980 



980. Flowers distinctly stalked. 



A rather tall shrub, much beset with soft hairlets ; leaves 

 rather small, from obovate- to cuneate- or linear-elliptical, 

 apt to turn brownish underneath, concave and glabrous 

 above ; flowers axillary and solitary, but also occasionally 

 forming short leafy racemes ; bracteoles quite narrow, 

 greenish ; lobes of the calyx pointed, hardly longer than 

 the tube ; petals all equally yellow ; fruit short, oblique- 

 ovate, sessile within the calyx. P. villosa. 



Flowers almost sessile ... ... ... ... 931 



