526 309. Bupleurum. 45. UMBELLIFERiE. PL ex. caL 
XLXV. 309. BUPLEURUM. Hippocrates. Thorow-wax . 
Involucrum 0; involucella 5-leaved, leaves ovate, acute, 
nearly joined together, unequal, spreading, persisting ; ca- 
lyx 0; petals equal, involute, entire; fruit ovate, ending in 
a patelliform stylopodium ; akenium ovate, oblong, 5-ribbed ; 
ribs acute ; vallecules 2-keeled, not vittated ; spermapodium 
hairlike, 2-parted. 
Bupleurum rotundifolium . Round-leaved thorow-wax * 
Bupleurum perfoliatmn rotundifolium annuutn, Rail Syn. 221, 1. 
Perfoliata vulgaris, Ger. em. 536, 1 ; Parle. 580. 
Bupleurum rotundifolium, Lin. S. P. 340. 
Bupleurum perfoliatum, Lamarck FI. Fr. 405. 
Thorow-leaf. 
Chalky corn-fields ; annual; July. 
Stem branched alternately ; leaves ovate, pointed, all 
per foliated, glaucous, bald ; umbells axillary and terminal, 
peduncled, 6 or 7-rayed. 
/3. petiolatum. Leaves oblong and oval ; 2 lowermost 
petioled, the third lanceolate, oblong, barely perfoliated. 
XLV. 310. AGOSTANA. Lord Bute. Hares-ear . 
Involucrum and involucella 3 to 5-leaved ; leaves equal, 
lanceolate, ribbed, veined ; calyx denticulated ; petals equal, 
ovate, bent in, nicked ; fruit ovate, rather compressed, 
crowned ; akenium ovate, oblong, 5-angled or ribbed, not 
vittated ; angles or ribs and vallecules covered with warts ; 
commissures unequal, warty, furrowed in the middle; sper- 
mapodium bristlelike, 2-cut. 
1. Agostana tenuissima. Very-slender hares-ear . 
Stem branchy; leaves linear, acute; umbells simple, al- 
ternate, nearly sessile, 3 or 5-flowered ; involucrum and 
involucella 5-leaved, awlshape. 
Bupleurum minimum, Raii Syn. 221, 1 5 Park. 58t_ 
Bupleurum tenuissimum, Lin. S. P. 343. 
Agostana tenuissima, Lord Bute 8, 299. 
Odontites tenuissima, Hoffmann XJmbtll. 
Muddy sea-shores; annual; August and September. 
Stem branchy at bottom; branches upright, spreading, 
simple; leaves narrow at bottom ; umbells solitary; involu- 
cella longer than the flowers. 
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