KEY, BASED UPON FRUIT. 17 



5 lines in length 179. R. INTEGRIFOLIA. 



e 2 . Larger and with edible embryo (Jnglans), in length 



f. \-\\ in., globose, with pubescent epicarp 190. J. CALIFORNICA. 



/*. 2 in., ovoid-oblong, covered with brownish viscid hairs. .14. J. CINEREA. 



Globose, roughly dotted 35. J. NIGRA. 



d 2 . Fleshy pericarp, 

 e. Ovoid and 



/. Clustered on axillary peduncles, 



g. On the growth of the season, 2 or 3 together, 2 in. long, blue, 

 h Sessile upon the peduncle ; stone longitudinally striated. 



9. NYSSA MULTIFLORA. 

 h~. Pedicellate, stone not striated ; fruit subtended by 



Persistent calyx-tube and lobes, ^ in, or less in length 



113. PERSE A PALUSTRIS. 

 Enlarged calyx-tube only, 1 in. or less in length. 



159. UMBELLULARIA CALIFORNICA. 



gr 2 . On growth of the previous season 111. FORESTIERA ACUMINATA. 



/ 2 . Racemed, bluish and with short, fleshy, red pedicels. 



32. SASSAFRAS OFFICINALE. 



e 2 . Ovoid-oblong, 1-1 in. long, stone compressed 81. PRUNUS NIGRA. 



e*. Oblong, tipped with the remnants of the style and about 1 in. in 



length. 

 Re.ldish and stone longitudinally striated with membranous edged 



ridges 110. NYSSA OGECHE. 



Dark blue, stone not membranous-ridged; flesh 



Thin and dryish 112. OSMANTHUS AMERICANUS. 



Thicker and Very oily 186. OLEA EUROPEA. 



Black and borne in abundance on paniculate spadices. 



200. WASHINGTONIA FILAMENTOSA. 

 e 4 . Subglobose and surface 

 /. Smooth 

 g. Purple or purplish black and 



h. Solitary, of sweet flavor 12. CELTIS OCCIDENTALS. 



7* 2 . In racemes and of a vinous or astringent flavor ; racemes 

 4-6 in. long ; drupes numerous and in. thick. 



29. PRUNUS SEROTINA. 



1-3 in. long ; drupes few and larger 156. PRUNUS ILICIFOLIA. 



h z . In umbels, larger, of 



Acid-vinous flavor, - in. in diameter 82. PRUNUS CERASUS. 



Sweet-vinous flavor, f in. in diameter 56. PRUNUS AVIUM. 



fir 2 . Red, small and very sour 55. PRUNUS PENNSYLVANICUM. 



fif 3 . Whitish 



Not tipped with remnants of the style, rosy-cheeked 



178. SCHINUS MOLLE. 



Tipped with the stout styles 180. RHUS LAURINA. 



/-. Papillose and with waxy exudation .164. MYRICA CALIFORNICA. 



c 2 . Drupe-like but containing more than one seed, and seeds 

 (I. Inclosed in a bony 

 e. 2-3-celled stone, 

 /. Blue, subglobose, in flat-cymes with red stems. 



87. CORNUS ALTERNIFOLIA. 



p. Jtsright-red. elongated, sessile, usually in a single head 



Only 3 or 4 developing 8H. CORNUS FLORIDA. 



30 or 40 developing 185. CORNUS NUTTALLII. 



e 2 . 3-5-celled stone ; yellowish- white, in loose axillary panicles. 



105. MELIA AZEDARACH. 



<V. Distinct, (not inclosed in a common stone) ; fruit 

 e. Crowned with persistent 

 /. Calyx -teeth. 



ff. Purple-black, 5-seeded, in umbels 8. ARALIA SPINOSA. 



gr 2 . Red or purplish, 



4-8 seeded, axillary 52. ILEX OPACA. 



2-seeded in terminal panicles 181. HETEROMELES ARBUTIFOLIA. 



