CL. V.] PENTANDRIA DIGYNIA. 155 



their segments opposite, decurrent. Stem erect, froru une to two feet 



high : leaves twice pinnate : flowers yellowish-white. Perennial : 

 flowers in August and September : grows in meadows and pastures : not 

 rare. Eng. Bot. vol. xxx. pi. 2142: Peucedanum Silaus. Eng. Ft. 

 vol. ii. p. 92. 463. 



78. BUPLE'URUM. HAUE'S-EAR. 



Flowers all regular, perfect and productive. Calyx none. 

 Petals five, superior, equal, broadish wedge-shaped, very short, 

 with a broad involute point. Filaments thread- shaped, spreading. 

 Anthers roundish. Germen egg-shaped, furrowed. Styles very 

 short, spreading, with broad tumid bases. Stigmas minute, 

 simple. Fruit egg-shaped, obtuse, a little compressed, crowned 

 by the very short styles. Seeds somewhat cylindrical, with five 

 prominent, acute ribs ; the interstices flat. Juncture narrower 

 than the seeds. Name from bous, an ox, and pleuron, a rib. 1 63. 



1. J3. odontites. Narrow-leaved Hare's-ear. General and partial brae- 

 teas each of from four to five lance-shaped pointed leaves, longer than 



the umbels; leaves linear; stem panicled. Stem about six inches 



high : flowers in terminal umbels. Annual : flowers in July : grows on 

 rocks in the south of England : rare. Near Torquay, Devonshire. En%. 

 Bot. pi. 2468. Brit. Fl. 4th ed. p. 114. 464. 



2. B. rotundifolium. Common Hare's-ear, or Thorough-wax. General 



bracteas none ; leaves perfoliate. About a foot high : leaves broadly 



egg-shaped, alternate: flowers yellow. Annual : flowers in July: grows 

 in corn-fields, in England : rare. Common in Cambridgeshire. Eng. 

 Bot. vol. ii. pi. 99. Eng. Fl. vol. ii. p. 93. 465. 



3. B. tenuissimum. Slender Hare's-ear. Umbels simple, alternate, of 



few flowers, with five awl-shaped bracteas. Stem slender, from three 



to twelve inches high : leaves lance-shaped, erect : flowers yellowish. 

 Annual : flowers in August and September : grows in salt marshes in 

 the south and east of England. Eng. Bot. vol. vii. pi. 478. Eng. Fl. 

 vol. ii. p. 94. 466. 



4. B. falcdtum. Sickle-leaved Hare's-ear. Radical leaves inversely 

 egg-shaped, on long stalks ; upper one sessile, between linear and Jance- 

 shaped ; partial involucre of five lance-shaped leaves, as long as the 



flowers. Stem erect, panicled. Perennial : flowers in August : grows 



by road-sides in England : very rare. Discovered by Mr. T. Corder, jun. 

 on Norton Heath, near Ongar, Essex. Eng. Bot. Suppl. pi. 2763. Brit. 

 Fl. 4th ed. p. 11 5. 467. 



79. SELl'NUM. MILK-PARSLEY. 



Flowers all perfect and regular. Calyx superior, of five mi- 

 nute, spreading teeth. Petals involute, pointed, equal. Filaments 

 thread-shaped, spreading; anthers roundish. Germen egg-shaped, 

 compressed, ribbed, somewhat bordered. Styles short, afterwards 

 elongated, reflected, flattened, their bases hemispherical; stigmas 

 obtuse. Fruit elliptical, crowned with the calyx and styles. Seeds 

 nearly elliptical, flattened with three longitudinal, acute ribs ; the 

 margin dilated, flat, smooth, entire. Juncture broad, flat, as wide 

 as the seeds. 164. 



