142 
RUBIACEjJJ. 
corolla. Ovary 1, 2-celled, with solitary erect ovules. Style 1, 
often bifid. Stigmas 2. Fr. a didymous indehiscent pericarp. 
Embryo straight in horny albumen. 
1. Sherardia. Cor. funnelsbaped. Fr. crowned with the 
6-toothed calyx, dry. 
2. Asperula. Cor. funnelshaped. Fr. dry, not crowned with 
the limb of the calyx. 
3. Galium. Cor. rotate. Fr. dry, not crowned with the calyx. 
4. Rubia. Cor. rotate or campanulate. Fr. succulent, 2-lobed. 
I. Sherardia Linn. 
1. S. arvensis (L.). The only species. — E. B. 891. — St. 
mostly decumbent, branched, square, leafy. L. G in a whorl, 
obovate-lanceolate, acute. Fl. blue, in a small sessile terminal 
umbel. Cal. of 4 segments, 2 of them bifid. — Cultivated land 
on a gravelly soil. A. V. — VII. 
2. Asperula Linn. 
[1. A. arvensis (L.) ; I. 6 — 10 in a whorl linear-lanceolate 
obtuse, fl. aggregate terminal surrounded by long ciliated bracts, 
fr. glabrous. — E. B. S. 2792. — Closely resembling Sherardia 
arvensis. St. ascending, square. Lowermost 1. opposite or 4 
together, roundish-obovate. St. and margins of the 1. rough. 
Fl. bright blue. — Occasionally introduced with seed. Devonport. 
A. VI.] E. 
2. A. cynanchica (L.) ; I. 4 in a whorl linear with scabrous 
margins, uppermost L very unequal, fl. corymbose, bracts lan- 
ceolate mucronate, cor. scabrous, "fr. granular-scabrous." — 
E. B. 33. — Root fusiform producing many diffuse or ascending 
branched stems. Fl. generally lilac. — Dry banks in limestone 
districts. P. VI. VII. E. I. 
3. A. odorata (L.) ; I. 6 — 8 in a whorl lanceolate, margins 
scabrous, fl. in stalked terminal corymbs, //•. hispid. — E. B. 755. 
— St. erect, about 6 in. high. Fl. white. L. broad. Whole 
plant fragrant. — Woods. P. V. VI. Woodruff. 
3. Galium Linn. 
1. G. cruciatum (With.) ; 1.4 in a whorl elliptic-oblong hairy, 
flowerstalks lateral corymbose bracteated, terminal fl. fertile, 
lateral mostly male, fruitstalks deftexed, fr. smooth. — E.B. 143. 
— St. simple above, 1 — 2 feet high, hairy. Fl. small, about 8 
together in small axillary corymbs, yellow. — " /3. l&vipes ; pe- 
duncles and pedicels glabrous." — Hedges and thickets. P. V. 
VI. Crosswort. 
