A History accompanied by Figures and Dissections of the Algæ of the British Isles.
BY W. JOHNSTONE AND ALEXANDER CROALL.
CONTENTS:
VOLS. I & II
RHODOSPERMEÆ.—RED SEA-WEEDS.
Vol. I.—Series I. Desmiospermeæ. 90 Species. 70 Plates.
Vol. II.—Series II. Gongylospermeæ. 88 Species. 63 Plates. With Dissections of all the Species.
VOL. III
MELANOSPERMEÆ.—OLIVE SEA-WEEDS.
Series III. 95 Species. 52 Plates. With Dissections of all the Species.