AMBNTACBf. 315 



Sob-Order IV. PLATANEiE. 



Gexus IX. PLATANUS. 



Monoecious, Ament globose. Sterile florets. Stamens 

 numerous intermixed with linear scales. Fertile florets ; 

 scales spathulate. Stigma recurved. Seed clavate. 



1 P CkxtPENTALis. A large tree, with nearly white branches, with soft 

 wood. LeaiH-s 5-angled, obscurely tootlicd, pubescent beneath. Aments ax- 

 illary, on long peduncles, i^eed forming a compact head. 



Button-wood or Sycamort. 

 >2 May. Banks of streams. 60-70 ft. 



Genus X. LIQUIDAMBAR. 



Monoecious. Sterile florets ; ament conical, with a 4-lea- 

 ved involucre. Perianth none. Stamens numerous. Fertile 

 florets ; ament globose. Perianth 2-Ieavcd, urceolate, 2-flow- 

 cred. Styles 2. Capsules 2, I. celled, many seceded. 



1 L Styracfflua. a large tree. Ijcaves alternate, palmafely lobed ; 

 lobes acuminate, serrate. Sterile anient terminating the branches. Fertile 

 ament near the base of the sterile. Siceet gum. 



h May. Damp soils. 70-80 ft. 



Sub-Order V. CUPULIFERiE. 



Genus XI QUERCUS. 



Monoecious. Sterile florets ; ament loose. Perianth 

 mostly 5-clet't. Stamens b-lO. FertiU jloreis ; capsule cap- 

 shaped, scaly. Perianth O-lobed. Ovary 3-cellcd, 2 of them 

 abortive. Style 1. Stigmas 3. Acorn l-cellcd, 1 -seeded. 



(a) Fructification biennial. Leaves usually setaceously mu- 



cronatc, entire. 



1 Q Phellos. a middle sized tree, slender and straight. Leaves decidu- 

 ou-s linear-lanceolate, tapering at both ends, glabrous, mucronatc. Acorn 

 small, nearly spherical Willow oak. 



>2 May. Swamps. 30-60 ft- 



2 Q IjiBBicASiA. A small sized tree, with irregtilar branches. Leaves 

 deciduous, oblong, tapering at each extremity, mucronate, entire, pubescent 

 beneath. Cup shallow ; scales broad-ovate- Acorn small, nearly spherical. 



cihinglc oak. 

 fj June. Banks of rivers, mountains. 40-50 ft. 



3 Q PcMiLA. A small shrub. Stem slender, virgate, sparingly branched, 

 tomentose when young. leaves oblong-lanceolate, tapering towards the 

 base, undulate, tomentoee beneath. Acomt small, in a shallow cup. 



liunning oak. 

 >2 March — April. In pine woods. 2-3 ft. 



4 Q ViRE?»s. A large tree, with spreading, irregular branches. Leaves 

 perennial, coriaceous, oval-lanaeolafe, with revolute margins, pubescent be- 

 neath. FruU oval, nearly black, generally in pairs. Live oak. 



li April. Along the sea coa-st. 40-50 ft. 



