E. COSMOPHYLLA. Dwarf ; leaves thick, equally dull-green ; umbels solitary; stalk very short, 

 stalklets almost none ; lid semiglobnlar, short-pointed ; fruits semiovate, border depressed, 

 valves exserted. 



E. MEGACARPA. Leaves equally green ; umbels solitary ; stalk broadly compressed, stalklets none ; 

 lid semiglobular, short-pointed ; fruit large, almost hemispheric, border broad, depressed, valves 

 exserted, blunt, convergent. (Leiophloiae.) 



E. GLOBULUS. Leaves thick, elongated, equally green; flowers mostly solitary, stalks and 

 stalklets almost none ; lid double, the inner crownshaped; fruit large, hemispheric, warty-rough, 

 angular, border broad, depressed, valves exserted, convergent. (Leiophloias.) 



E. ALPINA. Leaves very thick, broad, blunt, equally green, shining ; umbels solitary or flowers 

 single; stalks and stalklets none; lid crownskaped, anthers cordate ; fruit hemispheric, border 

 depressed, valves exserted. 



E. GOMPHOCEPHALA. Leaves thick, shining, slightly paler beneath; umbels solitary; stalk broadly 

 compressed, stalklets none ; lid broader than the tube of the calyx, almost hemispheric; fruit 

 large, topshaped, border broad, convex, valves exserted, convergent. (Rhytiphloiae.) 



E. PREISSIANA. Dwarf; leaves very thick, broadish, blunt, equally green, often opposite; umbels 

 solitary ; stalk broadly compressed, stalklets none ; lid nearly hemispheric, filaments yellow; 

 fruit large, topshaped-semiovate, border very broad, depressed, valves enclosed, blunt, convergent. 



E. PACHYPHYLLA. Dwarf ; leaves very thick, broadish, acute, equally green; umbels solitary; stalk 

 and stalklets very short or none; lid semiovate-pyramidal, pointed; filaments yellow; fruit 

 topshaped-hernispheric below, very angular, border broad, ascending, valves slightly exserted ; 

 fertile seeds membranously margined. 



E. PYRIFORMIS. Dwarf; leaves thick, equally green, umbels solitary ; flowers very large, calyces 

 wrinkled, lid hemispheric, pointed; filaments red or yellow; fruit very large, topshaped- 

 hemispheric, angular, border very broad, ascending, valves slightly exserted ; fertile seeds 

 membranously margined. 



E. MACROCARPA. Dwarf ; leaves opposite, sessile, ovate-cordate, equally whitish-grey; flowers 

 solitary, very large; stalk and stalklets almost none ; lid semiovate-couical ; filaments red; 

 fruit very large, topshaped-hemispheric ; border broad, convex; valves exserted ; fertile seeds 

 membranously margined. 



E. TETRAPTERA. Dwarf; leaves very thick, equally green, shining ; flowers solitary, stalk broadly 

 compressed, bent downward; stalklets none; calyx-tube quadrangular, slightly 4-toothed, 

 broader than the pyramidal lid ; f laments red, anthers 'purplish ; fruit very large, bellshaped- 

 qnadrangular, border depressed, valves enclosed. 



E. TETRODONTA. Leaves opposite, elongated, equally dull-green ; umbels solitary, stalklets very 

 short ; calyx-tube conspicuously 4-toothcd, lid hemispheric, discal expansion raised; fruit bell- 

 shaped-semiovate, angular, border compressed, valves enclosed. (InophloiEe.) 





