262 APETALOUS EXOGENS 



Calyx scale-like, 3- to 6-parted, adnate to an entire 1-flowered bract. 

 Stamens 8 to 40, very short. PISTILLATE FL. terminal, solitary, or 

 few and clustered. Calyx 4-toothed, with 4 small petals alternating 

 with the calyx-teeth. Styles 2, very short ; stigmas elongated, 

 recurved and fringed. Fruit drupaceous, the epicarp (or hull) 

 somewhat fleshy, fibrous within, not opening; nut woody, rugose 

 and irregularly furrowed. Juice resinous-aromatic ; pith separated 

 into transverse laminae or plates ; young branches brittle. 



1, J. REGIA, L. Leaflets 7 to 11, oval, nearly entire, smooth; fruit 

 roundish-oval; nut subcompressed, smoothish. 

 ROYAL JUGLANS. English Walnut. Madeira Nut. 



Stem 30 to 50 feet high, branched. Leaflets 2 to 5 or 6 inches long, acute, or 

 sometimes rounded and emarginate at apex; the terminal one largest, the lower 

 pair smallest. Aments ovoid-oblong, 2 to 3 inches in length. Pistillate flowers 

 in small terminal clusters of 2 or 3, on a rather short common peduncle. Drupe 

 oval, or subglobose, mucronate, about 2 inches long, and 1 or 2 inches in diameter, 

 "with a smoothish subcoriaceous epicarp ; nut oval, subcompressed, smoothish, or 

 somewhat corrugated. 

 Hob. Yards, &c. Nat. of Persia. Fl. May. Fr. Octo. 



Obs. This oriental species is usually called English walnut, in 

 consequence of having come to us by way of the mother country. 

 Such misnomers are not unfrequent among our cultivated plants. 

 The young fruit of this is much esteemed, as a material for making 

 pickles. 



% J. cilierea, L. Leaflets 15 to 17, oblong-lanceolate, rounded 

 at base, serrate, softly pubescent beneath; fruit ovoid-oblong, 

 viscid-pubescent ; nut oval, acuminate, deeply sculptured. 

 CINEREOUS JUGLANS. White Walnut. Butter-nut. 



Stem 20 to 30 or 40 feet high, with numerous branches, and a smoothish cinere- 

 ous bark. Leaflets 2 to 4 or 5 inches long, sessile. Aments 3 to 5 inches long. 

 Pistillate flowers 3 to 5 or 7, in a terminal spike, rather distant, on a long common 

 peduncle. Drupe 2 to 3 inches long, and 1 to near 2 inches in diameter, with u 

 short tapering protuberance at apex, often slightly compressed and obscurely 

 angular, softly hairy and clammy, the epicarp thinnish and somewhat coriaceous. 

 Hob. Bottom lands ; along streams : frequent. Fl. May. Fr. Sept. 



Obs. The young fruit of this species collected about the last of 

 June makes good pickles, though inferior to the preceding. The 

 ripe seeds are rather rancid, and scarcely eatable. The bark affords 

 an extract, which, in the form of pills, is a convenient and popular 

 cathartic. 



3. J. iiispra, L. Leaflets 15 to 21, ovate-lanceolate, subcordate 

 at base ; fruit globose, roughish-dotted, more or less spongy when 

 mature ; nut subglobose, rugose-sulcate. 

 BLACK JUGLANS. Black Walnut. 



Stem 40 to 60 or 80 feet high, with spreading crooked branches, often forming 

 a broad roundish and rather open top, when growing solitary. Leaflets 2 to 4 

 inches long, serrate, eubsessile, the terminal one often starved, or abortive. 

 Aments about 2 inches long. Pistillate flowers in small terminal clusters of 2 to 4, 

 on a short common peduncle. Drupe 1% to 2J^ inches in diameter, the epicwp 



