CUrULlFERiE. (oak FAMILY.) 737 



an ura-shapecl bractlct, which in fruit becomes a closed, bladdery, 

 oblong bag, very much larger than the small, smooth nutlet, -which is 

 by abortion 1-seeded — Shrubs or small trees. 



O. carpiiiifolia, Scop. ^ ?j to G. Leaves ovate to oblong, 

 .^iiort-pctioled, rounded or subcordate at base, acuminate, sliarply- 

 serrate, rusty-pubescent at under surface along nerves. Strobiles ob- 

 long, .02 to .04 long, pendulous; utricle white, .013 long, elliptical, 

 mucronate, four times as long as nutlet — May — AVooded zones of 

 Cassius, Amanus, Aklier Dagh, and northward. 



3. CORYIiUS, L. Hazel-Nut. Filbeht. Blnduq. 



Staminate flowers in drooping, cylindrical catkins, single or fas- 

 cicled from scaly buds of the axils of the preceding year. Stamens 8, 

 each with a 1 -celled anther, bearded at tip, the short hlaments inserted 

 along a crest at the base of the suture of the pair of bractlets, 

 which are more or less adherent to the inner face of the wedge-shaped, 

 imbricated bract. Pistillate flowers few in a scaly bud, which devel- 

 ops into a short, leafy twig, the scales imbricated, the lower sterile, the 

 upper 2-flowered, each a .^inglc ovary surrounded by an involucre of 

 minute, fringed-tipped, villous scales coherent at base. Perigonium 

 connate with ovary, with a minute, denticulate limb. Nuts solitary 

 or 2-3 in a cluster, surrounded by the leafy, much enlarged, torn- 

 fringed involucre ; pericarp woody ; kernel edible — Shrubs or small 

 trees. 



C, Avellaiiii, L. ^ ^ to 6. Stipules oblong, obtuse; leaves 

 short-petioled, cordate, nearly orbicular, doubly serrate, short-acumi- 

 nate, pubescent at low^er surface. Involucre in 1 row, tubular-camjjau- 

 ulate in fruit ; nut .01. to .015 long, ovoid — Spring — "Wooded zones 

 of Cassius, Amanus, and northw^ard, and eastward. 



4. C^IJERCUS, Tourn. Oak. Sindidn. 



Staiiu I ade flowers in slender, naked, drooping, bractlesf^ catkins. 

 Perigonium of 5-9, linear-oblong, ciliated sepals. Stamens 5-20. 

 Anthers 2-celled. Plstilleite floicern globular, solitary, or somewhat 

 clustered, enclosed in a capule, composed of imbricated bracts; the 

 tube of the perigonium adherent to the ovary; the limb small, denti- 

 culate, superior. Ovary 3-celled below, 1-celled above; cells 2-ovuled. 

 Styles 3 (occasionally 4). Fruit an acorn, i.e., a 1-celled, 1-seeded nut, 

 enclosed at base in a cupule — Trees or shrubs, w^ith greenish-j^ellow, 

 inconspicuous flowers, the sterile catkins usually several from the same 

 scaly bud — These species of oak are liable to bear galls. 



* S(}/lei^ short, dilated- flattened at tip. Fruit mcturiiirj in one year. 



t Leaves decidaoua from autumn to spring, not evergreen. 

 I Leares memh'anons, simutte, or jdnnatihbisd, lohex 7nut irons. 



1 Q. sessiliflora. 



I I LeaKcs undirided, rrenafe or dentate, teeth callous or mucronofe. 



2 Q. Lusitanica. 



1 1 Leaves thid; evergreen, lasting sevend years. 

 96 



