3J0 Fr. Kränzlin. — Orchidaceae-Monandrae-Dendrobiinae. Pars 4. 



light sulphur-ochre-coloured flowers, partly white; the side laciniae of the lip with 

 numerous narrow lines, the anterior lacinia very wavy, sulphur coloured, with an orange 

 blotch at each side of the tuft of hairs. The stein was not like that of D. Ruckeri, 

 but more like that of D. luteolum, reddish, thicker, with a strong tendency to con- 

 striction of the joints. « 



Patria ignota. — Floruit primo in caldariis cl. Hugh Low et iterum in Ulis 

 F. Sander-Verulamensis. 



D. Virginia hört. [D. Bensoniae tf X japonieum Q] in Gard. Chron. (1894) 

 I. 343; Rolfe, Orch. Rev. II. (188 4) 127, 171. — Flores candidi, 5 cm diam. labellum 

 macula parva castanea ante basin ornatum. 



D. Waltoni Reichb. f. in litt. [D. crassinode (rectius pendulum (f) X Wardia- 

 num Q] Rolfe, Orch. Rev. VIII. (1900) 177, flg. 29; IX. (1901) 208; D. crassinodi- 

 Wardianum hört, in Gard. Chron. (1892) I. 502. — Nomen! 



D. Whitei [D. nobile cT X pulchellum Q] Hurst et Rolfe, Stud Rook (1909) 

 82; D. Dalhou-nobile hört, in Gard. Chron. (1900) I. 371; Rolfe, Orch. Rev. VIII. 

 (1900) 210; Journ. Hort. (1900) I. 523, fig. 141; Gard. Mag. (1900) 364 c. fig. — 

 Flores magni fere omnino Uli D. nobilis; habitus illi D. pulchelli similis. 



D. Wiganiae hört. [D. signatum tf X nobile Q] Rolfe, Orch. Rev. IV. (1896) 

 107, 123, 160; XI. (1903) 113, fig. 24; in Gard. Chron. (1896) I. 337, 553, fig. 84; 

 Journ. Hort. (1903) I. 245 c. fig. (var. xanthochilum) ; Gard. World (1903) 161 c. fig. 

 (xanthochilum). — Flores 8 — 9 cm diam., phylla angustiora quam in D. nobili, Can- 

 dida, sepala in apicibus lutea, petala ibi rosea, labellum apertius quam in D. nobili, 

 discus pallide primulinus, ceterum ut petala. 



R. Hybridae inter species et hybridas enatae. 



D. Achillis hört. [D. Ainsworthii (aureum X nobile) tf X primulinum Q]\ Rolfe, 

 Orch. Rev. X. (1902) 101 et XI. (1903) 92. — Sepala petalaque alba nitida, apicibus 

 omnium phyllorum roseis, macula disci margine non v. obscure radiata. — Accedit 

 ad D. Pitcherianum, a quo differt macula illa labelli, quae quidem species hybrida na- 

 turalis esse dicitur inter D. primulinum X nobile, habemus igitur formam compositam 

 y 2 D. primulini, y 4 D. nobilis, J / 4 D. aurei. 



D. Acis hört. [D. nobile X Schneiderianum (aureum qP X Findlayanum Q)]; 

 Rolfe, Orch. Rev. X. (1902) 157. — Affine est D. Ainsworthii (aureum X nobile). — 

 Sepala petalaque albida, roseo-suffusa, labellum expansum, macula disci radiata v. pin- 

 nata. Est y 2 D- nobilis, y 4 D. aurei, i / i D. Findlayani. 



D. Ariela hört. [D. aureum X rubens (Ainsworthii X nobile)}; Rolfe, Orch. Rev. 

 XI. (1903) 92. — Est adeo simile D. Ainsworthii, ut vix ab illo discerni possit. 



D. Berkeleyi hört. [D. Wardianum q? X Cassiope Q. {japonieum X nobile)}; 

 Rolfe, Orch. Rev. VII. (1899) 136. — Forma florum illa D. Cassiopes, sed petala et 

 apex labelli a medio apicem usque rosei, discus labelli zona lutea praeditus. Illi quidem 

 characteres omnino non firmi videntur, observantur enim speeimina eorundem parentum 

 quorum labellum illius zona eget. 



D. Burberryanum hört. [D. Dominyanum (Linawianum X nobile) tf X Find- 

 layanum Qj; Rolfe, Orch. Rev. V. (1897) 80, 93; IX. (1901) 170; in Gard. Chron. 

 (1897) I. 115; Journ. Hort. (1900)1. 239 fig. 64. — Flores prope accedunt ad illos 

 D. Dominyani, 7 cm diam. pedicelli satis longi (5,5 cm) quam characterem hybrida a 

 D. Linawiano reeepit. 



D. Cordelia hört. [D. euosmum (endocharis X nobile) q? X aureum Q}; Rolfe, 

 Orch. Rev. II. (l 894) 172. — Genesis hybridae hujus a cl. A. Rolfe explicatur hac ratione: 



D. japonieum Q I D. aureum Q \ 



(moniliforme) \ D. endocharis Q \ - 



D. aureum tf J \ D. euosmum D ' Cordelta. 



D. nobile tf J v. Uucoptefrum q? ) 



