1 11' .Tl'{;LAXDACE.«. (WALNUT FAMILY.) 



3. C. olivaBformis, Nutt. (I'kiax-nut ) LcaHets 13-15, laiiccolate- 

 oblonj;. surratf, faltatc, :u-uiiiinate ; imt ulive .nliajjed, ^«Ill^)otll, thiii-Hlielled, 

 somewhat 4 aiij|:K'il. — River bottoms, Mississijijii, uortliwanl and westward. 

 — A laru;t' trie witli smootliish iiark. 



* * J'/iicdiii /lartli/ 4-riilvitl : seed thin : Link- not srnli/. 



4. C. tomentosa, Xutt. (IIkkoky.) Leafk-ts 7-9 (mostly 7), larj^e, 

 oliloiiii-oliiivaie, aiiitf, jmliusient beiiealli ; sti-rile ami'iits tomeiitose; fruit 

 hir^ue, ujliiiidse; i']iirar|) tliick, loriaiemis, |)artf(l iifarl\ to tiie l)ast' ; nut tliitk- 

 slii-lK'il, oval, sumi-wliat Gaiigifil. — Kiili snil. Mairli - Ajiril. — A lar^o tree, 

 witii r<>iii;li bark. 



5. C. glabra, Torr. (I'k.mt.) Lt'aHets 5-7 (mostly 7), ovate-lance- 

 olate, acuminate, smooth; fruit olwvate, obcordate, or pear shaijed ; epicarp 

 thiu, jiartc'd to the middle, coriaceous; nut thick-shelled, sometimes angled. 

 (C. porcina, Xutt.) — Woods. March - Ai)ril. — A larj^e tree, with sniouthish 

 bark. 



G. C. microcarpa, Nutt. Leaflets 5-7, oblonj^-lanceolate, smooth, 

 glandular lancatli. acuminate; ameuts smooth ; fruit roundish; epicarjj thiu; 

 nut thin-siiclled, .-ilij^iitly 4-angled. — Mountains of North Carolina, and north- 

 ward. April -May. — A large tree. Fruit |' in diameter. 



7. C. myristicseformis, Nutt. " Leaflets 5, ovate-lanceolate, acumi- 

 nate, snioutii. tiie terminal one se.-<sile ; fruit oval, rugo.se, rough; nut oval, 

 slightly acuminate, furrowed, very hard." — South Carolina, at Goo.se Creek 

 {Micfiditx) ; Berkeley District (Raveuel). — Nuts resembling nutmegs. 



8. C. amara, Nutt. (Bittkk-mt.) Leaflets 9-11, oblong-lauceolate, 

 acute, sniouthish ; fruit globular ; e])icarp thin, parted to the middle ; uut thin- 

 shelled, ul)cordate ; seed much wrinkled. — Low ground. ^larch - April. — 

 A tree of moderate dimensions, with smooth bark, and very bitter and a.strin- 

 gent seeds. 



9. C. aquatica, Nutt. Leaflets 9-1.3, lanceolate, acuminate, .slightly 

 serrate, smooth; fruit roundish, 4-ribbed ; e])icarp thin, 4 parted to the ba.se; 

 nut compressed, thin-shelled, 4-angled ; seed much wrinkled. — liiver swamps, 

 Florida to Soutfi Carolina. March- April. — A small tree, with rough bark. 

 Seeds very bitter and astringent. 



2. JUGLANS, L. W.vi.yiT, BrrTERNrx. 



Sterile aments lateral, solitary. Caly.x 5-6-])arted. Stamens numerous. 

 Fertile flowers terminal. Calyx 4-cleft. Petals 4, minute. Stigmas 2, long, 

 recurved. Fruit obbmg or globose. Epicarp indehiscent. Nut incompletely 

 4-celled, furroweil or sculptured. — Trees with naked buds. J.,eaflets serrate. 



1. J. nigra, L. (Bi..\ck Walnit.) Leaflets 11-21, ovate-lanceolate, 

 pubescent beneath, acuminate, slightly cordate at the i)a,«e. or oblicjue ; fruit 

 globose, rough-dotted ; nut furrowed. — Rich woods, chiefly in the upper dis- 

 tricts. March - Ajtril. — A tree .30°- 50° high. 



2. J. cinerea, L. (Bitteuxlt.) Leaflets 15-19, ovate-lanceolate, 

 acute, rounded at the base, pubescent ; the petioles, fruit, etc. viscid ; fruit 

 oblong; nut deojdy sculptured, acute. — Rocky woods in the upper districts. 

 March - April. — A tree 30° - 40° high. 



