630 CLXIX. ORCHIDEJE. [Ophirydec. 
hell. 
Species 1, Africee australis incola, ex specimine unico B fruetifero floribus jam 
emareidis nota, et quoad characteres ulterius probanda. 
918. Disa, Berg. Pl. Cap: 348.—Sepala squilonga, dise ierat galeatum, nunc 
dorso v. basi in calear polymorphum product nunc tum v. planum, 
lateralia patentia. Petala nunc sepalis lateralibus unis nune minora obliqua v. valde 
Pe nud Labellum a basi col patens, ecal sepalis szepius minus et sessile, 
H 
longe ungui: , lamina indivisa sub-3-loba v. lacero-fimbriata. Columna 
Heres crassiuscula ; rostelli lobi laterales erecti v. apice supra glandulas recurvi, medius 
parvus; stigma ad basin column:ze a rostello distans, carnosum pulvinatum v. elevato- 
cupulatum, plus minus basi labelli adnatum, integrum. — Anthera cum clinandrio sub- 
erecta reclinata v. in riens columns reflexa, loculis. elevatis parallelis nu apicibus 
(inferis) extremitat ctis v. dentib dum longi , lobis laterali- 
bus rostelli praet pollinia in loculis solitaria, laxe granulosá, caudiculis scepius 
elongatis, glandulis 2 nudis discretis affixa. Capsula oblonga, angusta v. fere linearis, 
erecta.—Herb:e terrestres, habitu Habenaric, tuberibus indivisis, caule nune elato folioso, 
nune tenui paucifolio v. foliis ad squamas vaginantes reductis. Flores in una specie 
maximi solitarii v. gemini, in aliis majusculis v. mediocribus laxe spicati v. racemosi, 
nunc parvi dense longeque spicati v. interdum fere in corymbum conferti v. ad 1 v. 2 
reducti. JBractem sspius floribus breviores. 
Species ad 50, Africe tropicze et australis et ins. Masearensium incole. Lindl. Gen. et Sp. Orch. 
346, et in Hook. Lond. Journ.i. 15. Sond. im Limnea xix.89.  Heichb. f. in. Flora 1865, 181; in 
Linnea xx. 688; Otia Hamb. 105. Bauer, lllustr. Orch. Gen. t. 14. Ker in Journ. Sc. R. Inst. 
Lond. iv. t. 6, v. (. 1... Lindl.. Sert.. Orch. t. 49... Harv. Thes. Cap. 1. 41, 84 ad. 86... A. Rich. Fl. 
Abyss. t. 93, 94... Hook. Ic. Pl. t, 214. Bot. Mag. t. 4073, 4091, 6629, 6532. Bot. teg. t. 324, 926. 
Genus quoad habitum, petalorum et labelli formam, et antheram suberectam v, magis minusve 
reflexam polymorphum, a. Lindleyo et Reichenbachio in sectiones 12 divisum quarum tamen alice 
monotypieze. potius species quam sectiones, alie characteribus valde incertis definite v. quam 
maxime artificiales. Trichochila tamen distinguitur foliis ad basin caulis confertis gramineis fere 
filiformibus et labello nune sessili nune longissime unguiculato swpius dentato v. lacero-fimbriato ; 
et. Disella floribus parvis dense spieatis. De column: structura cfr. Bolus in Journ. Linn. Soc. xix. 
233, qui rite D. barbatam, Sw., ad Herscheliam refert. 
PrwTHEA, Lindl. Introd. Nat. Syst. ed. 2, 446; Gen. et Sp. Orch. 360; et in Journ. Linn. Soc. vi. 
138, Sond. in Linnea, xix. 104, species 7 v. 8, Africce occidentalis australis Y. tropicie continet, a 
Disa separatas ob sepalum postieum omnino ecalearatum, sed ex Harv. Thes. Cap. i. 63, species 
intermediz oceurrunt, et Penthea cum Disa jungenda, quod confirmat Bolus. 
319. Herschelia, Lindl. Gen. et Sp. Orch. 362.—Sepala subsequilonga, libera, posticum 
late galeatum, basi in calear breve basi conicum productum, lateralia ovata v. oblonga, 
plana, patentia. Petala minora, in acumen obliquum varie curvum producta. Labellum a 
basi col patens, l , sessile, integrum v. fimbriatum. Columna brevis, 
crassiuscula ; rostelli lobi 3 angusti erecti, laterales incurvi cum medio sequilongo recto 
glandulam includentes ; stigma ad basin column:e transverse adnatum, a rostello distans, 
carnosum, pulvinatum, distincte didymum.  Anthera cum clinandrio erecta v. leviter 
reclinata ; loculis elevatis parallelis, apicibus (inferis) brevibus; pollinia in loculis solitaria, 
bglob laxe g j lis brevibus glandulz unice integre affixa. Capsula 
angusto oblonga v. subclavata, erecta; — Herbs terrestres Jisis e sectione Trichochila 
simillimz.  Tubera indivisa. Folia radicalia longa, anguste linearia, fere filiformia, 
caulina ad squamas vaginantes reducta. Flores mediocres, laxe spicati. 
Species 2, Afriez australis incole, — Bolus in Journ, Linn. Soc. xix. 234; H. celestis, Lindl. (Dis. 
graminifolia, Swartz; Ker in Journ. Se. R. Inst. Lond. vi. t. 1, f. 2) et H, barbata, Bolus (Disa 
barbata, Swartz, Lindl. Gen. et Sp. Orch. 354) eujus forte varietates sunt Disa lacera, Sw., et 
D. multifida, Lindl. 
320. Mtonadeniía, Lindl. Gen. et Sp. Orch. 356.—Sepala il libera, 
erectum, subincurvum, galeatum, basi in calear descendens productum, lateralia deem 
