52 COMMON CANADIAN WILD PLANTS. 



* * * Flowers not papilionaceoi(8 ; polygamous. Trees. 



24. eiedlt'achiii. Thorny trees, with abruptly once- or twice-pinnate 



leaves. Flowers greenish, inconspicuous, in small spikes. 

 Stamens separate, 3-10. 



25. Gymnoc'ladns. Not thorny. Large trees with doubly pinnate 



leaves, the leaflets vertical. Pod very long and broad. Stamens 

 10. Petals on the summit of the long calyx-tube, whitish. 



1. IBPrNES, Tourn. Lupine. 



1. L. peren'nis, L. (Wild Lupine.) Stem erect, some- 

 ■what hairy. Leaflets 7-9, oblanceolate. Calyx deeply 

 2-lipped. Pods hairy. — Sandy soil. 



2. L. argen'teus, Pursh., var. argOphyl'lUS, Watson, 

 ;iocurs in the far ■west. The petals are blue or cream- 

 ioloured, and the oalyx is decidedly spurred at the base. 

 Plant hoary-pubescent. 



3. L. King'ii, Watson (L. pusillns, Pursh.), is also a 

 N. W. species. Seeds only 2 or 3. Plant low, villous with 

 white soft hairs. Bacemes short, few-flowered, on long 

 slender peduncles. 



«. TRIFO'liriW, L. Clover. Trefoil. 



1. T. arvense, L. (Eabbit-foot or Stone Clover.) Stem 

 erect, 4-12 inches high, branching. Heads of whitish 

 flowers oblong, very silhy and soft. Calyx-teeth fringed 

 with long silky hairs. — Dry fields. 



2. T. pratense, L. (Ebd C.) stems and leaves some- 

 what hairy, the latter marked with a pale spot on the upper 

 side. Flowers purplish, in dense sessile heads. — Pastures. 



3. T. medium, L. (Ziozag C.) Like the last, but 

 smoother, and the leaves without the pale spot. Heads 

 mostly stalked. — Atl. Prov. 



4. T. repens, L. (White C.) Smooth, creeping. Heads 

 of white flowers rather loose. — Fields everywhere. 



5. T. hy'bridum, L. (Alsike C.) Resembles the last, but 

 the flowers are rose-tinted, and the stems erect or ascending . 



6. T. reflexum, L. (Buffalo C.) Only in south-western 

 Ontario, in the neighbourhood of the Detroit river. Heads 



