MONOPETALOUS EXOGENOUS PLANTS. 453 



flattish and somewhat 2-edged, gradually dilated upward 

 into a long lanceolate and often notched wing. (R tomen- 

 tosa, Michx.) Swamps. March and April.— A small tree. 



F. viiiiDis, Michx. {Green Ash.) Glabrous through- 

 out ; leaflets ovate or oblong-ovate, more or less toothed, 

 smooth and green both sides ;/riaY as in Pubescens, of 

 which it may be a variety. Swamps. March and April. — 

 A small tree. 



** Fruit winged all round the seed-bearing portion; leaflets 5-9, short-stalked. 



F. QUADRAN^GULATA, Michx. (Blue Ash.) BrancJiIets 

 square, smooth ; leaflets oblong-ovate or oblong, acuminate, 

 sharply serrate, when young pubescent beneath; fruit 

 linear-oblong, obtuse at both ends. May. 



F. PLATYCARPA, Michx. ( Water AsJi,) Brancnlets 

 terete, smooth or pubescent ; leaflets ovate or elliptical, 

 serrate or almost entire, often pubescent beneath ; /nuY 

 broadly winged, oblong-obovate or oblong with a tapering 

 and acute base, sometimes 3-winged. (F. triptera and F. 

 pauciflora, Nutt.) Deep river-swamps. March and April. 

 — A small tree. 



FORESTIERA, Poir. Adelia, Michx. 



Flowers dioecious or polygamous, from axillary scaly 

 buds; CO roZ/rt none; cahjx minute, 4-lobecl ; sterilefloivers 

 single or 3 together in the axils of imbricated scaly bracts ; 

 stamens 3-7; fertile-flowers peduncled ; styles slender; 

 stigma capitate ; ovary 2-celled ; drupe ovoid, 1-seeded, 

 black or \A\\q.— Shrubs ; leaves opposite, petioled, serrulate ; 

 flowers minute, greenish, preceding the leaves. 



F. PORULOSA, Poir. Leaves coriaceous, smooth at ma- 

 turity, nearly sessile, ovate-lanceolate or oblong, obtuse, en- 

 tire, punctate underneath, the maro;ins entire and revo- 

 lute ; drupe short-ovoid. Coast. — Michaux ; Leitner, 



