54 

 APOCYNACE^.— Dogbane Family. 



APOCYNUM, Linn. Dogbane, Indian Hemp, Lesser Milkweed. 



1462. A. ANDROSiEMiFOLiUM, Linn. (Spreading Dogbane.) 



Rocky woods and fields. Common. June — 2. (B.) An interest- 

 ing perennial. The frequently forking branches bear a profusion 

 of small sweetly-scented open bell-shaped flowers (4 lines broad), 

 from each of which is produced a pair of slender pods from three 

 to four inches in length. 



1463. A. CANNABiNUM, L. (Indian Hemp.) 



Sandy fields and on islands, in lower ground than the last. 

 June — 2. (B.) A more erect plant, with smaller white flowers 

 borne in close many-flowered cymes. 



ASOLEPIADAOE^.— Milkweed Family. 



ASCLEPIAS, L. Milkweed, Silkweed. 



1465. A. INCABNATA, L. (Swamp Milkweed.) 



Borders of rivers and lakes. Common. July — 1. (B.) A tall 

 handsome plant with rose-purple flowers scented like vanilla, 

 and smooth pods. The fibre in the stem of this plant is very 

 tough and it should make a good fibre plant. 



1467. A. CoRNUTi, Decaisne. (Milkweed.) 



Fields and borders of thickets. Common. July — 2. (B.) A hand- 

 some and sturdy wayside weed. 



GEN TIANAOE^.— Gentian Family. 



GENTIAN A, L. Gentian. 



1497. G. Andrkwsii, Griseb. (Closed Gentian.) 



River sides and moist ground. Common. Aug. — 2. (B) A very 

 handsome species with deep green glossy foliage, and large 

 bluish-purple flowers, over an inch in length, borne in a terminal 

 cluster and in the axils of the upper leaves. 



MENYANTIIES, L. Buckbean. 



1506. M. TRIFOLIATA, L. 



Bogs. Not uncommon. May — 3. (B) 



