3i ON THE GENUS ERIOGONUM. 



cal, circularly fasciculate, persistent, spathulate-obovatc, en- 

 tire, obtuse, attenuated downwards about half their length, 

 on the upper side softly villous, and of a pale green; be- 

 neath lanuginously tomentose and nearly white; distinct sti- 

 pula none! (autumnal foliage very short, and oblong-oval^ 

 not attenuated, the petiole extremely villous and much di- 

 lated, entirely embracing, and by their imbrication closing 

 and protecting the summit of the caudex, throughout the 

 winter, after the manner of the genus Rheum ) Scape 

 round, villous, umbellate at its extremity. Umbelluli 

 3 — 5, about an inch long. Involucrum consisting of three 

 or fo ir connate, linear-oblong leaves. Involucellum cya- 

 thiform-campanulate, round, very many flowered, (20 — 30) 

 about five-toothed, and destitute of pluniose setaceous ap- 

 pendices on the receptaculum. Calyx cyathiform, 6-part- 

 ed, tubular and acute at the base, circularly articulated 

 upon the pedunele, externally covered with a silky villous; 

 laminae nearly equal in inflorescence, oblong-oval, and 

 obtuse, the three interior segments a little larger, all of a 

 bright yellow. Stamina 9, filaments longer than the ca- 

 lyx, villous below. Anthers short, oblong- oval, two- 

 celled; styli 3. divaricate above and below, filiform, villous 

 at the base. Stigmata very minute, obtuse. Germ sub- 

 cylindric ovate, extremely villous. Seed immarginate, cy- 

 lindric- ovate, obtusely triquetrous, acute; colour testa- 

 ceous. Corculum? 



06s, The laminae of the younger leaves are revolutc, 

 when full grown from two to three inches long and from 

 five to ten lines wide; length of the scape from six to tw^elve 

 inches. It begins to flower the second year, continuing 

 through July and part of August. Flowers without any re- 

 markable odour. From the exfoliations of the root; and 



