OLEACE.E. 115 



inches long. Flowers dull greenish-purple,. Pods ovate, soft 

 spiny, woolly. Mostly ill dry soil ; very common. 



2. A. phytolaccoi'des, Pursh. (POKE-MILKWEED.) Stem tall 

 and smooth. Leaves broadly ovate, acute at both ends, short- 

 petioled. Pedicels loose and nodding, very long and slender. 

 Corolla greenish, icith the hooded appendages white. Pods min- 

 utely downy, but not warty. Moist thickets. 



3. A. incama'ta, L. (SwAMP M. ) Stem tall, leafy, branching, 

 and smooth. Leaves oblong-lanceolate, acute, obscurely heart- 

 shaped at the base. Flowers rose-purple. Pods very smooth and 

 glabrous. Swamps and low grounds. 



4. A. tuber o'sa, L. (BUTTERFLY- WEED. PLEURISY-BOOT.) 

 Stem very leafy, branching above, rough-hairy. Leaves linear 

 or oblong-lanceolate, chiefly scattered. Corolla greenish -orange, 

 ii'lth the hoods bright orange-red. Pods hoary. Dry hill-sides 

 and fields ; almost destitute of milky juice. 



ORDER LXIX. OLEA'CE^S. (OLIVE FAMILY.) 



The only common representative Genus of this Order in Canada 

 is Fraxinus (Ash). The species of this Genus are trees with 

 pinnate leaves, and polygamous or dioecious flowers without 

 petals and mostly also without a calyx; stamens only 2, with 

 large oblong anthers. Fruit a 1-2-seeded samara. Flowers 

 insignificant, from the axils of the previous year's leaves. 



FRAX'IIVTJS, Tourn. ASH. 



1. F. America'na, L. (WHITE ASH.) Fruit loinged from the 

 apex only, the base cylindrical. Branchlets and petioles smooth 

 and glabrous. Calyx very minute, persistent. Leaflets 7-9, 

 stalked. Rich woods. 



2. F. pubes'cens, Lam., (RED ASH) has the branchlets and 

 petioles softly -pubescent, and the fruit acute at the base, 2-edged, 

 and gradually expanding into the long wing above. Same 

 localities as in No. 1. 



3. F.sambucifolia, Lam. (BLACK or WATER ASH.) Branch- 

 lets and petioles smooth. Leaflets 7-9, sessile, serrate. Fruit 

 winged all round. Calyx wanting, and the flowers consequently 

 naked. Swamps. 



