OROBANCHEjE. VIII. HYOBANCHE. IX. ALECTRA. X. ^GINETIA. XI. AMBLATUM. XII. OBOLARIA. XIII. TOZZIA. 



635 



roundish-oval, large, reddish on one side of each pedicel. Calyx 

 hairy, whitish ; segments equal, bluntish. Corolla pale purple, 

 or flesh-coloured : lower lip white : upper one short, and rather 

 truncate. The English name Toothwort is derived from the 

 resemblance of the scaly roots to the human fore-teeth, and 

 hence it was fancied formerly to be good for the tooth-ache. 



Scaly-rooted Toothwort. FJ. April. Britain. PI. 5 to 1 

 foot. 



Cult. Uncultivatable plants. 



VIII. HYOBA'NCHE (from ic V, hys hyos, a pig ; and 

 a.y\<>>, ancho, to strangle ; the plant is said to be hurtful to 

 pigs.) Lin. gen. ed. Schreb. no. 1046. Juss. gen. p. 101. ed. 

 Usteri, p. 112. 



LIN. SYST. Didynamia, Angiospermia. Calyx 7-parted ; seg- 

 ments linear. Corolla tubular : lower lip wanting : superior 

 one arched, emarginate. Stamens 4, didynamous, inserted at 

 the bottom of the corolla ; anthers ovate, nutant. Stigma emar- 

 ginate. Capsule 2-celled, ? many-seeded. A parasitical herb, 

 with the habit of Orobanche. Scapes simple, thick, scaly. Spike 

 fleshy, dense, thick ; floral scales imbricate, villous. 



1 H. SANGUI'NEA (Lin. syst. 574. mant. 253.) l/[ . G. Native 

 of the Cape of Good Hope, parasitical on the roots of shrubs. 

 Petiv. gaz. t. 37. f. 4. Spike villous. The whole plant is 

 blood red. Flowers purple. Plant of a blood red colour. 



Bloody Hyobanche. PI. J foot. 



Cult. An uncultivatable plant. 



IX. ALE'CTRA (derivation unknown to us.) Thunb. nov. 

 gen. p. 81. Schreb. gen. no. 1066. Pers. ench. 2. p. 182. 



LIN. SYST. Didynamia, Angiospermla. Calyx bilabiate : up- 

 per lip 2-cleft: lower one 3-cleft. Corolla tubular, widened 

 upwards ; limb 5-parted ; segments broad ovate, obtuse. Sta- 

 mens 4, didynamous, inclosed ; filaments bearded ; anthers 

 twin. Stigma a little thicker than the style, striated on both 

 sides. Capsule ovate, obtuse, twin, 2-celled, 2-valved. Seeds 

 solitary in the cells, ovate. Plant with the habit of Orobanche, 

 and grows black on drying. 



1 A. CAPE'NSIS (Thunb. nov. gen. p. 82.) 0. G. Native 

 of the Cape of Good Hope, in grassy places near rivers. Stem 

 or scape simple. Scales ovate, obtuse, villous, erect, becoming 

 gradually larger as they ascend the stem. Spike terminal, leafy, 

 or scaly, flowering by degrees. Corollas yellow, streaked with 

 purple. 



Cape Alectra. Fl. Nov. Dec. PI. to 1 foot. 



Cult. An uncultivatable plant. 



X. jEGINE'TIA (named in memory of Paul jEginette, a 

 physician, who flourished in the seventh century.) Roxb. fl. ind. 



3. p. 30. cor. 1. p. 63. t. 91. Wall. pi. rar. asiat. 3. p. 13. t. 

 319. Orobanche species, Lin. 



Lix. SYST. Didynamia, Angiospermia. Calyx spath-formed, 

 one-leaved. Corolla campanulate, 5-parted, nearly equal ; tube 

 erect at bottom, but pitcher-formed above, and bent. Stamens 



4, didynamous ; anthers twin, united by pairs. Stigma capi- 

 tate. Capsule 1 -celled, ovate large, containing various convolute, 

 parietal placentas, and numerous very small seeds. Small, rush- 

 like, naked, annual plants, with smooth, naked, intricately inter- 

 woven, fleshy roots. Scapes with a few scales, except at the 

 base, which is involved in a small sheath. 



1 JE. I'NDICA (Roxb. cor. 1. p. 63. t. 91.) scape elongated, 

 nearly simple, naked, 1-flowered ; limb of corolla shortly 4-cleft. 

 %. S. Native of Nipaul, Silhet, Circars, Taong Dong, Tavoy, 

 Wall. Deyra Dhoun, Kidarkonta, Kheree Pass, Royle. Oro- 

 banche jEginetia, Lin. spec. p. 883. Rheed. mal. 11. p. 97. t. 

 47. Corolla curved, purple. Calyx yellowish. 



Indian jEginetia. PI. 



2 JE. ABBREVIA V TA (Hamilt. mss. ex Benth. scroph. ind. p. 

 55.) stem very short, branched, scaly ; corolla large ; limb bila- 

 biate : lower lip amply 3-lobed. If. . G. Native of the Indian 

 Peninsula, Silhet, Rangoon, Prome. Wall. cat. no. 3965. 



Short-stemmed ^Eginetia. PI. 



Cult. Uncultivatable plants. 



XI. AMBLA'TUM (meaning unknown to us.) Tourn. cor. 

 48. Lathrae'a species, Lin. Orobanche species. 



LIN. SYST. Didynamia, Angiospermla. Calyx campanulate, 

 4-cleft. Corolla tubular, bilabiate, both lips entire : upper one 

 galeate. Stamens 4, didynamous ; anthers connected. Stigma 

 truncate. Ovarium glandular at the base. Capsule 1 -celled, 

 2-valved ; placentas parietal, 2 in each valve. An herb with 

 the habit of Lathrce'a, or Orobanche. 



1 A. TOURNEFORTII ; 1{. . H. Native of the Levant. Lath- 

 rae'a Amblatum, Lin. spec. 844. Amblatum orientale flore pur- 

 purascente, Tour. cor. p. 48. 



Tourneforts' Amblatum. PI. g to 1 foot. ? 



Cult. An uncultivatable plant. 



Tribe II. 



OBOLARIE'^E (this tribe contains plants agreeing with Obo- 

 laria in being terrestrial, not parasitical.) D. Don, in edinb. 

 phil. journ. vol. 37. p. 113. July, 1835. 



XII. OBOLA'RIA (from obolus, a small coin ; in allusion to 

 the bracteas being round, like "a piece of money.) Lin. gen. no. 

 778. Schreb. gen. no. 1044. Juss. gen. 101. ed. Usteri. p. 

 113. Nutt. gen. amer. 1. p. 103. 



LIN. SYST. Didynamia, Angiospermla, or Tetrdndria, Mono- 

 gynia. Calyx none, or in the form of two bracteas. Corolla 

 campanulate, 4-cleft ; segments entire (the margins sometimes 

 crenulately torn). Stamens 4, equal, or nearly so, proceeding 

 from the clefts of the corolla. Stigma emarginate. Capsule 

 ovate, 1-cellecl, 2-valved, many-seeded. Seeds minute. A very 

 small vernal plant, with a simple stem, and opposite leaves. 

 Flowers terminal, sessile, and marcescent, collected by pairs, or 

 by threes, towards the summit of the stem. Stigma minutely 

 bifid. 



1 O. VIRGI'NICA (Lin. spec. 881. Nutt. gen. 1. p. 103.) 

 1. ? H. Native of Pennsylvania, in the neighbourhood of 

 Philadelphia rare ; and near West Chester ; abundant in the 

 shady forests of Lake Erie. Mor. hist. 3. p. 504. sect. 12. t. 

 16. f. 33. Pluk. aim. 209. f. 6. Plant about 3-4, inches high, 

 with a small, branching root. Leaves thick, green, almost fleshy, 

 frequently purplish on the under side. Flowers bluish-white, 

 or pale red, supported by foliaceous bracteas. 



Virginian Obolaria. PI. 3-4 inches. 



Cult. For culture and propagation see Pedicularis, p. 626. 



XIII. TO'ZZIA (so named by Micheli, in honour of Bruno 

 Tozzi, Abbot of Vallarabrosa, F.R.S., Micheli's companion in 

 his botanical excursions, in one of which he found this plant.) 

 Micheli, gen. p. 20. t. 16. Lin. gen. no. 745. Schreb. gen. 

 no. 1002. Juss. gen. 97. ed. Usteri, p. 109. Lam. ill. t. 522. 



LIN. SYST. Didynamia, Angiospermla. Calyx campanulate, 

 sub-bilabiate, 4-toothed, 5-toothed. ? Corolla tubular ; limb 

 bilabiate, nearly equal : upper lip 2-lobed : lower one 3-lobed. 

 Stamens 4, didynamous ; cells of anthers awned at the base. 

 Stigma capitate. Ovarium 2-celled ; cells 2-seeded ; ovula 

 fixed their whole length, free at bottom. Capsule spherical, 

 2-valved, 1-seeded by abortion. An erect herb, having the 

 stem scaly at the base, as in Orobanche. Leaves opposite. 

 Flowers solitary, axillary, pedicellate. 

 4 M 2 



