368 Key to the System of 



1617. Flowers nearly sessile. 



Leaves small, from elliptic - lanceolar to. narrow-linear, 

 pungent - pointed ; sepals much pointed; corolla -tube 

 cylindrical, lobes inside thinly beset with white hairlets ; 

 fruit very small, turgid-ovate, succulent, outside yellowish 

 or orange-colored. S. juniperina. 



Flowers on a recurved stalk. 



Leaves quite small, from elliptic- to linear - lanceolar, 

 pointed ; flowers very small, .solitary or two together ; 

 corolla-lobes inside densely beset, with white hairlets; 

 fruit as yet unknown. S. bifiora. 



1618. Flowers in abbreviated spikes ... 1619 



Flowers in elongated spikes ... ... ... ... 1626 



1619. Venules of leaves five, prominent. 



Leaves quite small; thick, from cordate- to lanceolar-ovate, 

 rather blunt, the lateral vehules divergent ; flowers 

 small, crowded and mostly situated at the summit of the 

 branches ; corolla-lobes inside densely beset with white 

 hairlets ; fruit very small. S. costata. 



Venules of leaves faint ... ... ... ... 1620 



1620. Leaves much twisted. 



Leaves quite small, mostly linear-lanceolar, slightly ciliolar- 

 denticulated ; flowers very small ; lobes of the corolla 

 inside densely beset with white hairlets ; ovules two ; 

 fruit minute. S. glacialis. 



Leaves almost straight ... ... ... ... 1621 



1621. Leaves along and towards the margin incurved. 



Leaves small, from narrow- to linear-lanceolar, gradually 

 pointed ; tube of the corolla enclosed, lobes inside densely 

 beset with white hairlets; flowers very small; ovules 

 five; fruit minute, dry. S. virgata. 



Leaves flat or along their margin recurved 1622 



1622. Leaves nearly or quite flat ... ... ... ... 1623 



