Q I E ISO- 



leaves round or rouml-obovate. secuada (one-sided shin- 

 leaf.) uni/tora. minor, 



125. PYRUS, 36. 93. 



commiinis (pear. E. w-r. M 1? .) leaves ovate? serrate, 

 (rarely entire) peduncles corymbed. Var. p-jraster 

 (dwarf) fruit very small and acid. Var./i/er/i' (uerga- 

 rnot) fruit orbicular, apple-form. y&r.pompeiana .good 

 Christian.) Var . fuvonia (musk-pear.; Var. llqescciis 

 (butter-pear.) Var. ntfcsccits (russet-pear. Var. m/r- 

 Qtiiidulis (leg- pear,) r,ialus (apple. E. \v-r. M. :? .} How* 

 crs in sessile umbels : leaves ovate oblong, acuuiinaic^ 

 serrate* glabrous : claws of the petals shorter than the 

 calyx : styles glabrous. Var. sylvestris (uild-apple) 

 leaves ovate, serrate ; fruit small* austere. Var. prasoin- 

 ila pippin.) Var. castanea (chesnut-apple.) Var.*fl/)i0sa 

 (ape-apple) fruit small, round, red, pleasant-tasted. Var. 

 Cdvillea (cornered-apple) leaves broad-ovate, downy be- 

 neath : fruit angled, cydonia (quince. E.w. J. ij ;.) flow- 

 ers solitary, coronaria \,crab -apple.) angustifolia. 



51. PYXIDANTHERA, 21. 43. 

 larlulata (box-flower.) 



2013, QUERCUS. 50. 99. 



1. Fruit subsessiie ; Icares nwcronate with a bristle-form 



awn (excepting virens) entire. 



phellos (\villow oak.) virens (live oak.) imbricaria 

 (shingle oak, laurel oak.) 



2. Fruit subsessUe ; leaves mucronate with a bristle form 



awn. toothed or lobed. 



heterophyll.t (burrier's oak ) triloba (downy black oak.) 

 nigra (barren oak, black jack.) tinctoria (quercitron 

 oak, black oak.) discolor (false red oak.) coccinea (scar- 

 let oak.) rubra. (red oak,) falcata (Spanish oak.) pal- 

 ustris (pin oak.) llidfolia (scrub oak.) 



3. Fruit peduncled ; leaves without awns, lobed. 

 stcllata (iron oak, post oak.) macrocarpa (over-cup 

 oak.) olivaeformis (mossy-cup oak.) alba (white oak.) 



4. Fruit peduncled ; leaves without awns, toothed, not /o* 



bed. 



prinus (swamp" chesnut oak. ) prinoides (dwarf chesnut 



