18 WOODY PLANTS OF MANHATTAN 



upper globose, 2 or 3 mm. long; scales downy. Common in lowland 

 woods. 



41 IIICOBIA, Rafin. Fl. Ludov. 1817. Carya, Nutt. Gen. 1818. 



Bud scales two, valvatfi, yellow H. minima. 



Bud scales several, brown H. ovata. 



H. OVATA, (Mill ) Britt. Bull. Torr. Club, xv, 1888. Juglans ovata, 

 Mill. Diet 1768. Carya aZ6a,Nutt. 1. c. 1818. Shellbark Hickory. 



A large tree with rather large, dark chocolate, glabrous twigs, large, 

 eight-ranked, circular to heart-shaped leaf-scars, three areas of bundle- 

 scars and large terminal buds. Lateral buds single, small, obtuse, strongly 

 divergent; terminal elliptical or lanceolate; scales acuminate, the inner 

 pubescent above. Along the bluffs below Manhattan, on the south side of 

 the Kansas river. 



H. MINIMA, (Marsh.) Britt 1 c. Juglans alba minima, Marsh. Arb. 178;). 

 Carya awmra, N"utt. Gen. 1818. Pignut Hickory. 



A small tree with yellowish-gray, smooth twigs, sprinkled with waxy 

 atoms, especially above, as are the bud scales; flve-rariked, heart-shaped 

 leaf-scars, bundle-scars aggregated in about three areas and narrow, 

 acute, curved terminal buds with waxy-yellow scales. Lateral buds two 

 or three superposed, the upper frequently long stalked. Common. 



42 COBYLUS, Tourn. lost. 1700; L. Spec. 1753. 



C. AMERICANA, Walt. Fl. 1788. Hazel-nut. 



A shrub with light brown or yellowish-drab, pubescent or glabrescent 

 twigs, two-ranked, crescent or oval leaf-scars, scattered bundle-scars and 

 conspicuous stipule-scars Buds flattened, rounded, scales several, 

 rounded, upper pubescent. Next year's catkins conspicuous. Said to- 

 occur ten miles northeast of Manhattan (S. C. Mason.) 



43 OSTRYA, Mich. Nov. Gen. 1722; Scop. Carn. ii. 1772. 



O. VIRGINIANA, (Mill ) Koch, Dendr. ii. 2. 1869 73. Carpinus Virgin- 

 iana, Mill. Diet. 1768. Iron- wood. 



I A small tree with twisted bark, brown or gray, softly pubescent or 

 glabrescent twigs, small semi-oval or arcuate, slightly oblique, two- 

 ranked leaf -scars, three bundle-scars and unequal stipule-scars. Buds 

 conical, pointed, divergent, 5 or 6 mm. long; scales several, pubescent. 

 Next year's catkins usually present. Frequent in upland woods. 



44 QUERCUS, Tourn. Inst. 1700; L. Spec. 1753. 



Pith five-angled; twigs five-ridged from the angles of the semicircu- 

 lar, five-ranked leaf-scars; bundle- scars several, scattered; stipule scars 

 small, often inconspicuous; upper lateral buds clustered at apex of twig. 

 Buds rounded, about as high as wide. 



Glabrous Q. prinoides . 



Pubt- scent Q. macrocarpn . 



