174 COMMON CANADIAN WILD PLANTS^ 



twining. Leaves halberd - shaped. Peduncles 4 - angled. 

 Corolla commonly rose-coloured. Moist banks. 



2. C. Spithamse'a, Pursh. (Convolvulus spithamceus, L., 

 in Macoun's Catalogue.) Stem low and simple, upright or 

 ascending, not twining, 6-12 inches high. Leaves oblong, 

 more or less heart-shaped at the base. Corolla white. Dry 



soil. 



2. o> VOLVILI s, L. BINDWEED. 



C. arven'sis, L. (BINDWEED.) Stem twining or procum- 

 bent and low. Leaves ovate-oblong, sagittate, the lobes 

 acute. Corolla white, or tinged with red. 



3. CUS'CUTA, Tourn. DODDER. 



1. C. Grono'vii, Willd. Stems resembling coarse threads, 

 spreading themselves over herbs and low bushes. Corolla- 

 lobes obtuse, spreading. Capsule globose, abruptly pointed. 

 Flowers in loose panicled cymes. Wet shady places. 



2. C. arven'sis, Be3^rich. Stems pale and slender, low. 

 Flowers in dense clusters. Capsule depressed-globose. Co- 

 rolla-lobes acute, with inflexed points. Stamen-scales deeply 

 fringed. Dry ridges, N.W. 



3. C. Epil'inum, Weihe. (FLAX DODDER.) Stems very 

 slender, low. Flowers sessile in dense scattered heads. 

 Corolla short-cylindrical, hardly exceeding the calyx, per- 

 sistent round the capsule. Stame'h-scales short and broad. 

 Capsule globose, circumcissile. Atl. Prov.; introduced. 



ORDER LXVIII. SOLANA'CKflL (NIGHTSHADE FAMILY.) 



Hank-scented herbs (or one species shrubby), with colour- 

 less bitter juice, alternate leaves, and regular pentamerous 

 and pentandrous flowers, but a 2-celled (in Nicandra 3-5- 

 celled) ovary, with the placentae in the axis. Fruit a many- 

 seeded berry or pod. 



Synopsis of the Genera. 



1. Sola'num. Corolla wheel-shaped, 5-lobed, the margins turned in- 

 ward In the bud. Anthers conniving around the style, the calls 

 opening by pores at the apex ; filaments very short. The larger 

 leaves often with an accompanying smaller one. Fruit a berry. 



