384 
GLOSSOLOGY. 
BOOK III. 
17. Rhomboid (rhomheusy rhomhoideys) ; oval, a little angular in 
the middle; as the leaf of Hibiscus rhombifolius. 
18. Deltoid (deltoides) ; a solid, the transverse section of which 
has a triangular outline, like the Greek A ; as the leaf of 
Mesembryanthemum deltoideum. 
19. Triangular (triangularis) ; having the figure of a triangle of 
any kind ; as the leaf of Betula alba. 
20. Trapeziform (trapeziformis, trapezoideus) ; having four edges, 
those which are opposite not being parallel ; as the leaf of 
Adiantum trapeziforme, Populus nigra. 
21. Heart-shaped {cordatusy cordiformis) ; having two round 
lobes at the base, the whole resembling the heart in a pack 
of cards ; as the leaf of Alnus cordifolia. 
22. Eared {auriculatus) ; having two small rounded lobes at the 
base; as the leaf of Salvia officinalis. 
23. Crescent-shaped {lunatm, lunulatusy f semilunatus) ; resem- 
bling the figure of the crescent ; as the glandular apex of the 
involucral leaves of many Euphorbias. 
24. Kidney-shaped (reniformis, f renarius) ; resembling the figure 
of a kidney ; that is to say, crescent-shaped, with the ends 
rounded ; as the leaf of Asarum europaeum. 
25. Arrow-headed {sagittatus) ; gradually enlarged at the base 
into two acute straight lobes, like the head of an arrow ; as 
the leaf of Rumex acetosella. 
26 27 28 
31 
26. Halbert-headed (kastatus) ; abruptly enlarged at the base 
into two acute diverging lobes, like the head of an halbert ; 
as the leaf of Arum maculatum. 
27. Fiddle-shaped (pa9tdurafus, panduri/ormts) ; obovate, with a 
