PL ex. cor, 23. OROBANCHEiE. 72. Orobanche. 315 
b. Br actea 1 to each flower ; corolla 5-lobed. 
4. Orohanclie rubra. Red broomrape . 
Stem not branched ; corolla tubular ; galea cloven ; lip 
equally 3-lobed ; fllaments fringed at bottom ; style fringed 
above. 
Orobanche rubra, Eng. Bel. 1786. 
Basalt rocks ; perennial ; August. 
Root creeping; herb purplish red; stem a foot high; spike 
20-flowered ; flowers glandular, hairy ; bracteae pointed ; 
lobes of the caiyx undivided ; style red, sweet-scented. 
c. Bractece 3 to each flower j corolla 5-lobed . Gymnocaulis. 
5. Orobanche cacrulea . Blue broomrape. 
Stem seldom branched; corolla tubular; galea 2-lobed, 
cut; caly x 4-cut, tubular. 
Orobanche flore majore, Ger. em. 1312. 
Nidus avis flore et caule violaceo purpureo colore, Ger. em. 228. 
Orobanche ramosa With. Bot. Arr. 508. 
Orobanche purpurascens, Gmel. Syst. Nat. 954. 
Orobanche purpurea, Jacq. Austr.'illQ. 
Orobanche lrevis, Lamarcke FI. Fr. 2,327. 
Orobanche casrulea, ViUar's Dauph. 2, 406. 
Large-flowered, broomrape. 
Mountainous pastures; perennial; July. 
Stem straight, bluish; spike few-flowered, loose; flowers 
bluish-violet, palate white; stamens bald; style downy; 
stigma yellowish. 
j3. ramosa. Stem branched. 
6. Orobanche ramosa . Branched broomrape. 
Stem branched; corolla 5-cut, lobes blunt, not in the 
least cut; calyx short, deeply 4-cut. 
Orobanche ramosa, Dillen in Raii Syn. 288 *,3; Park. 1363; Ger. em. 
1312; Lin. S. P. 882 . 
Hemp-fields; annual; August and September. 
Stem 1 foot high ; spike many-flowered, pointed ; flowers 
purplish-blue, tube yellowish; stamens rather fringed; stifle 
rather bald ; stigma white. 
II. 73. LATHRiEA. Linnaeus. Toothwort. 
Calyx bellshape, 4-cut; corolla tubular, 2-lipped; galea 
2-cut; lip 3-cut; stamens 4, didynamous ; anthers hirsute; 
stigma nicked ; seeds globose. — ■ Root scaly ; scales close, 
imbricated; stem not branched, purplish ; bractea 1 to each 
flower ; flowers pedicelled. 
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