604 PLATANACEAE 
when young, bd glabrate in age, 3—5-lobed, the lobes rounded or the 
terminal one acute, all crenate; antag glabrou s but more or less spiny: 
sepals ellipt E "obtuse; petals dst .5 . long, broadly o or a 
truncate, reniform: filaments subulate, a as long as the an abou as 
long: berry globular, about 1-1.5 cm. in m i wth ‘stout ae 
[Ri eiu f L. R. gra acile ^ ehx.]-—(DoGBERRY. PASTURE-GOOSEBERRY. 
PRICKLY-GOOSEBERRY )—Roeky woods — hillsides, various eres N of 
Coastal "Plain, Ala. to Mo. no BN D N. C. 
Famity 11. PLATANACEAE-PrANE-TREE FAMILY | 
Trees, with exfoliating bark. Leaves alternate: blades pud 
leathery, palmatelv lobed. Flowers monoecious, minute, borne on glo- 
bose receptacles, in dense j endent solitary, Bim or racemose 
heads. Perianth obsolete. Staminate heads red: filaments nearly obsolete: 
anthers elongate, each surmounted by a dilated connective. Pistillate heads 
green: earpels 2-9, 1-celled, mingled with staminodia which are pilose a 
the apex, surrounded by lone jointed persistent hairs: style terminal, stig- 
matose to below the middle on the ventral suture. Fruit an elongate achene, 
surrounded by rigid hairs, with a thin leathery pericarp, crowded in dense 
globose heads.—Comprises the following genus: 
PLATANUS [Tourn.] L. Trees, with smooth bark and stout irregular 
beaches from which are suspended the oe numerous long-peduncled fruit- 
heads.-—About 8 species in the north tem 
perate zone.—PLANE-TREES 
1. P. occidentalis L. us with : maxi- 
m., 
east 
the base, the lobes acute: flowers green or 
pu uw E c. solitary, subglobose 
oping.— (Sy E 
-4 c 
BONN cos, a Lo ow grounds, 
usually near streams, various provinces, N 
Fla. to F 
ar for butcher’s bloc 
The ier is used fe furniture, interior finish, and boxes. 
Faminy 12. ROSACEAE—Roọosse FAMILY 
Herbs, shrubs, trees, or rarely vines. Leaves mostly alternate: blades 
simple or compound, often stipulate. Flowers perfect or rarely dioecious. 
Calyx of 5, or rarely 4-9, sepals borne on the edge of the hypanthium, 
sometimes a by as many bractlets. Corolla of as many distinct 
petals as there are sepals, or ed Androecium of 1 or more series 
of stamens. Gynoecium of l-many carpels. Ovary 1-celled or imper- 
fectly 2-celled. Fruit GEN follicles. or drupelets, or achenes which are 
borne in the hypanthium or on the accrescent receptacle.—About 75 genera 
and 1300 species, of wide geographie distribution. 
