•121 CLl'ULIFER.E. (OAK FAMILY.) 



Var. monticola, Michx. (Rock Chestnut-Oak.) (Q. montana, Wilhl.) 

 A smaller tree (.'S0°-40° high), with more compact and durable wood ; fruit 

 smaller; nut oblong. — Rocky woods along the mountains. 



Var. Michauxii. (Q. Michauxii, Nittt.) Leaves smaller (4' -5' long), 

 rather rigid, velvety beneath, often obtuse or slightly cordate at the base ; nut 

 ovate (U' long). — Low ground, Florida to South Carolina. — A large tree. 



Var. discolor, Michx. Leaves obovate, acute at the base, coarsely and 

 obtusely toothed or somewhat lobed, dark-green above, white-tomentose beneath ; 

 fruit long-peduncled, cup tubercular, hemispherical; nut oblong-ovate (1' 

 long). (Q,. bicolor, Willd.) Swamps along the mountains. — A large tree. 



19. Q. Castanea, Willd. (Chestnut-Oak.) Leaves oblong, varying 

 to lanceolate, acuminate, sharply toothed, with the points incurved, mostly acute 

 at the base, smooth above, paler and minutely pubescent or glaucous beneath ; 

 fruit small, sessile or short-peduncled ; cup hemispherical, with tlat scale-, en- 

 closing one third of the oblong nut. — Rocky woods, West Florida to Missis- 

 sippi, and northward. — A large or middle-sized tree. Leaves 3' - 6' long. Nut 

 7" -9" long. 



20. Q. prinoides, Willd. (Chinquapin-Oak.) Shrubby ; leaves lance- 

 olate-oblong, acute at each end, acutely toothed, smooth above, white-tomentose 

 beneath; fruit small, mostly sessile; cup hemispherical, with tlat Bcales, enclos- 

 ing about one half of the round-ovate nut. (Q. Chinquapin, Pursk.) — Barren 

 soil in the upper districts, and northward. — Shrub 2° -6° high. Leaves 3' -4' 

 long. Nut 8" - 9" long. 



2. CASTANEA, Tourn. Chestnut. 



Sterile flowers in separate clusters, in long erect cylindrical aments. Calyx 

 5-6"-parted. Stamens 8-15: anthers 2-celled. Fertile flowers 1 - 3, enclosed 

 in the bell-shaped, at length globose, 4-valved and very prickly involucre. Calyx 

 5-6-lobed, superior. Abortive stamens 5-12. Ovary 3-6-celled. Ovules 

 Bingle or by pairs in each cell. Stigmas 3-6, bristle-like, spreading Nuts 1 -3, 

 roundish, compressed, or plano-convex. Cotyledons very thick. — Trees Of 

 shrub-, with oblong petioled sharply-serrate straight-veined leaves. 



1. C. vesca, L. (Chestnut.) Leaves oblong-lanceolate, acuminate, 

 coarsely -en-ate, smooth en both sides ; nuts mostly 3, the middle one Battened, 

 the 2 outer "ties plano-convex, dark brown. — Dry woods, West Florida, and 

 northward. April. — A large tree. Leaves 6' -7' long. 



2. C. pumila, Michx. (Chinquapin.) Leaves oblong, acute, or obtuse, 

 finely serrate, aoary-tomentose beneath; nuts solitary, nearly globular. (C nana, 

 Mul,L, a form with larger lean- and nuts.) — Dry sandy soil, Florida, ami north- 

 ward. April - May. — A large shrub or small tree. Leaves, involucre, and nut 

 -mallei- than those of the preceding. 



3. FAGUS, Tourn. Bxbi B. 



Sterile flowers capitate, on long and dr oo p i ng peduncles, with deciduous bracts. 

 bell-shaped, 5- 6-cleft. .Stamens 8- 12: anthers 2-celled. Fertile flow- 



