372 Key to the System of 



TROCHOCARPA. 



1634. Fruit normally five-seeded, outside bright-red. 



Alpine, prostrate ; leaves generally minute and appressed, 

 from oval- to narrow-elliptical, somewhat concave ; flowers 

 very small, solitary, almost sessile ; tube of the corolla 

 narrow ; lobes densely beset with very short white hair- 

 lets inside ; fruit small, globular, somewhat succulent. 



T. Pumilio. 



Fruit normally ten-seeded, outside dark-bluish. 



Alpine, dwarf ; leaves small, spreading, from ovate- to 

 lanceolar-elliptical, almost flat ; spikes very short, few- 

 flowered ; tube of the corolla greenish, wide, the lobes 

 purplish and glabrous upwards inside ; fruit comparatively 

 large, depressed-globular, pulpy, edible. T. Clarkei. 



EPACRIS. 



1635. Tube of the corolla much longer than the calyx ... 1636 



Tube of the corolla about as long as the calyx ... 1637 



1636. Tube of the corolla red, the lobes white. 



Straggling ; leaves small, spreading, from cordate to 

 lanceolar-ovate, sharp-pointed ; flowers bent downward, 

 solitary, axillary ; tube of the corolla very long, ex- 

 ceptionally white ; style elongated ; fruit small, almost 

 globular. E. longiflora. 



Corolla equal-colored, either red or white. 



Slender, erect ; branches generally few ; leaves small, 

 spreading, from ovate- to linear-lanceolar, sharp-pointed ; ' 

 flowers solitary or rarely two or exceptionally more 

 together, axillary, somewhat bent downward, forming - 

 leafy rather unilateral spikes ; corolla white or variously 

 red, with five impressions near the base; style elongated; 

 fruit small, almost globular. E. impressa. 



1637. Leaves blunt ... ... 1638 



Leaves pungent-pointed ... ... ... ... 1641 



1638. Tube of the corolla conspicuously turgid. 



Alpine, depressed ; leaves minute, thick, mostly oval and 

 appressed; flowers crowded near the summits of the 



