Christisonia.] ^ civ. oRoBANCHaCEE. (J. D. Hooker.) 321 
2. CHRISTISONIA, Gardn. 
Fleshy, low, scaly, parasitic herbs, with white yellow purple or rose- 
coloured flowers; stems simple or tufted from a short or long rootstock. 
Scales alternate, obtuse or acute. lowers bracteolate or not. Calyx 
tubular, terete or angular, 5-toothed or -lobed. Corolla-tube long, inflated, 
or funnel-shaped, slightly curved, obscurely 2-lipped, 5-lobed ; lobes sub- 
equal, rounded, 2 upper (inner in bud) suberect, lower spreading. Stamens 
4, included or subexserted, filaments stout; anther with one perfect cell and 
one imperfect which is spurred or appendaged, rarely with both cells perfect. 
Disc 0.. Ovary 1-celled, with 2 2-partite placentas, or 2-celled from the 
placentas meeting in the axis; style long, tip incurved, stigma large 2-lobed 
upper lobe very small lower very large orbicular or clavate; ovules nume- 
rous. Capsule ovoid or subglobose, loculicidal. Seeds minute, crowded, 
many perfect with striate testa, others imperfect with lax testa; embryo 
half as long as the alvumen.—Distriz. Species 10, all tropical Asiatic. 
There is no character by which Campbellia can be separated from Christisonia, 
that of the placentas meeting or not in the axis being one of degree and not accom. 
panied by any other. I find it impossible to determine the species from dried 
specimens, and have been compelled to resort for their limitation to the descriptions 
and published figures of Gardner and Wight, and to the fine series of drawings of 
native specimens in the Kew Herbarium. I have also availed myself of some valuable 
notes made by Mr. Clarke, who attempted the definition of the species when studying 
the Indian Cyrtandracee. 
1. C. tubulosa, Benth. in Gen. Pl. ii. 982; quite glabrous, stems tall 
flexuons, scales very few distant acute, flowers racemose, pedicels slender 
ebracteolate, calyx angular, lobes acute, anther-spurs acute, ovary 1-celled, 
placentas ovuliferous all over. Oligopholis tubulosa, Wight Ic. t. 1422, 
and Z//. t. 158 b, £. 7. 
SovTrH Deccan ; Kurg and Courtallam, Wight. . 
Stem 6-10 in., simple or divided below. Pedicels stout, 1—4 in.; bracts obtuse. 
Calyx %-13 in., lobes triangular. Corolla 1-2} in. long, mouth 3-1} in. diam., 
blue?, pubescent without in Wight’s figure, glabrous in specimens ; lobes rounded, 
quite entire. Filaments pubescent. Stigma orbicular ; ** placentas nearly meeting 
in the centre, ovuliferous on their opposed faces, confluent below ” (Clarke). 
2. C. subacaulis, Gardn. in Calc. Journ. Nat. Hist. viii. 162 ; quite 
glabrous, almost stemless, scales large acuminate, flowers crowded, pedicels 
longer than the bracts ebracteolate, calyx-lobes acuminate, corolla-lobes 
edged with violet, cells of shorter stamens both perfect. y ight Ie. t. 1423 
(corrections in text). Campbellia subacaulis, Benth. in Gen. I l. à. 967. 
Aiginetia acaulis, Walp. Rep. ii. 481. Æ. acaulis, var. B Thw. Enum. 
22]. Phelipea subacaulis, Benth. Scroph. Ind. 55; Reuter in DC. 
Prodr. xi. 11. 
NILGHERRY Mrs. and Courtallam, Wight. CEYLON; Rambodde district. . 
Wight’s figure represents a plant 4 in. high, with a very short stout stem, clothed with 
scales 1} in. long, and a corolla 2 in. long. A drawing sent by Thwaites (in re n 
Kew) is indefinite as to the bracts and calyx, and has a white corolla with an M ated 
white tube 14 in. long, and limb as broad edged with violet. —Filaments gla rous, 
Ovary 1-celled ; placentas nearly meeting in the centre, opposed faces not ovuliferous ; 
larger stigmatic lobe orbicular. 
3. C. Hookeri, Clarke mss. ; almost stemless, quite glabrous, scales 
truncate lacerate, pedicels very short ebracteolate, calyx terete, lobes rounded, 
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VOL. IV. 
