DIOECIA.— DIANDRIA. 371 



ilAB. Swamps. Leav. 6— S in. long. 

 S. grisea : leaves lanceolate, acuminate, serrulate, 

 smooth above, silky or naked beneath ; stipule:^ 

 linear, deflexed, deciduous ; scales oblong, hairy, 

 black at the tip ; germens oblong, pedicellate, 

 silky ; stigmas sessile, obtuse. 



ITAB. Low bushy places. April. Shrub 6 — 8 ft. 

 high ; branch, pur p., brittle at base. 

 )9. S. vitellina : leaves lanceolate, acuminate, with 

 thickened serratures, smooth above, paler and 

 somewhat silky beneath ; stipules ; aments cy- 

 lindrical, scales ovate-lanceolate, pubescent out- 

 side ; germens sessile, ovate-lanceolate ; stigmas 

 subsessile, 2-lobed. 



HAB. Read sides, &c. May. A pretty large tree ; 

 bark, and twigs yell. §. 



574. FRAXINUS. Ash. Olei?iece. 



1. F. sambucifolia : leaflets sessile, ovate-lanceolate, 

 serrate, rugose and shining ; base rounded and 

 unequal ; axils of the veins villous beneath ; 

 flowers naked 

 1IAB. River banks and woods. April. A large 

 tree ; buds deep blue ; young shoots doited^ green. 

 '. F. acuminata: leaflets petiolate, oblong, shining, 

 acuminate, very entire, or slightly toothed, glau- 

 cous beneath ; flowers calyculate. 

 HAB. Woods. May. A large tree; first leav. 

 downy ; summer leav. gr. above, wh. beneath. 

 ). F. pubesctns : leaflets petiolate, elliptical-ovate, ser- 

 rate ; under surface* petioles, and young branches 

 tometttoae ; flowers calyculate. 

 HAB. Woods. May. A large tree; leav. 12 — 16 

 in* long ; leuji. often nearly entire, 3 — 4 pairs. 

 -■ . F.juglandifelia : leaflets petiolate, ovate, opake, 

 serrate, glaucous'oeneath, axils 6f the veins pu 

 l>< Been! ; Im nootfa ; llowers calyculate. 



' \l>. Banks of rivers. ./ small trie : Uav* 6 — 15 

 loti£ ; seeds smaller 



