284 
Convolvulaceae. Boragine®. 
73. Convolvulaceae. 
391. Convolvulus. Bind-weed. V, 49. 
1. Bracts large, oval or cordate-oval, near to the fl. and, 
more or less, surrounding the cal FIs large, white.— 
Fields, hedges; everywhere. 6 . . sepium L. 1534. 
— Bracts small, linear, removed from the fls. FIs smaller, 
rose or white.—Fields, vineyards, way-sides; everywhere. 6 
arvensis L. 1535. 
392. Cuscuta. Dodder. Y, 123. IV, 9. 
1. Fls peduncled, fascicled. Stig. globular-capitate. Gram- 
mica ramosaLour. - Lucern-fields, introduced with foreign 
grain; observed near Bellinzona and Geneva. 8 
*racemosa Mart. 1536. 
— Fls sessile, in globular heads. Stig. filiform or club- 
shaped ......... 2 
2. Cor -tube globular-swollen, twice as long as the limb. 
Stem simple or not much branched, pale. — On flax and 
the weeds which grow among it; not common (wanting 
in T. U. A.). 6 Epilinum Weih. 1537. 
— Cor.-tube at first cylindric, as long as, or shorter than, the 
limb. Stem branchy ...... 3 
3. Fls gen. 4-merous. Scales (in the cor.-tube) small. Style 
shorter than the ovary. —b Vicice Schonh. Anthers as 
long as the filament which is dilated at the base (God.). 
—On Urtica dioica, Humulus and the salixes &c , dis- 
trib 6.. europsea L. 1538 
— Fls 5-merous. Scales large. Style longer than the ovary. 
Stem slenderer than in the last.—b. Trifolii Babgt. Fls 
larger, paler.—On thyme and other small pis; b. on 
clover and lucern. 6 . . Epithymum Murr. 1539. 
OBS. C approximata Babgt. and C. Ce*atiana Bert, (polygonorum De 
Not. not Engelm.) arc indicated in Tess. 
74. Boragineae. 
393. Heliotropium. Heliotrope. V, 21. 
1. Fls small, bluish or white, in dense spikes, rolled up, 
without bracts.—Fields, rubbish-heaps; eastern Switz. 
and Tess. 7 .* . . europaeum L. 1540. 
394. Asperugo. Asperugo. V, 24. 
1. Fls small, blue, 1 or 2 together in the axils of the Is. 
Stem clinging to objects by small prickles which are 
turned downwards. —Rubbisli-heaps, in the neighbour¬ 
hood of dwellings; eastern Switz., otherwise here and 
there, changeable. 5 . . . procumbens L. 1541. 
