202 THE ORCHID STUD-BOOK. [Part II. 
518. P. x Rossii (insigne x Lowii).—Lewis, 1896. 
Cc. * Rossii, Hans, O. Hyb, 308.— Lewis. 
Cc. x Rossianum, G.C. 1896, i. 655.—Lewis. 
519. P. « Rothwelliz (x almum x niveum).—Rothwell, 1903. 
Cc. x Mrs. James E. Rothwell, Amer. G. 1903, 462, f.—Rothwell. 
520. P. x Rothwellianum (Argus ? x Stonei).—Sander, 1896. 
Cc. x Rothwellianum, G.C, 1896, ii. 310; Boyle. Woodl, O. 190, t.; OR. 1896. 
296, 320. 
Cc. x Argo-Stonei, G.C, 1896, 1. 554.—Cookson. 
C. x Bothwillianum. Desh. Cyp. ed. 2, 93 (a mistake for Rothwellianum). 
521. P. x rotundum (x Lathamianum x purpuratum).-—Keeling, 1899. 
C. & rotundum, O.R. 1899, 154. 
» 522. P. «x Rowena (bellatulum x Chamberlainianum @ ), O.R. 1898, 168.—- 
R. H. Measures, 1898. 
C. x Rowena, Boyle Woodl. O. 201. 
© C. x Edith, G.C. 1902, i. 281; O.R. 1902, 182.—Tunstill. 
» 593. P. x vubescens (Boxallii x cenanthum ¢), ¥. R. A. S. xxiv. 101, 
f. 22.—Statter, 1893. 
> C, x rubescens, G.C. 1893, ii. 630; O.R. 1893, 375. 
C. x Lucienianum, ¥. d. O. iii. 314; Lind. viii. t. 362; G.C. 1894, 1. 199; 
O.R. 1894, 155; Desb. Cyp. ed. 2, 318.—Linden. 
C. x Madouxianum, Bohnh. Dict. O. Hyb. 25; Desb. Cyp. ed. 2, 328.-— 
Linden. 
C. x Ranjitsinghi, G.C. 1897, 11.58; OR. 1897, 254.—Charlesworth. 
There is a doubt about the precise origin of C. « Lucienianum. 
524. P. x Saint-Hilda (Boxallii 2 x Curtisii).—Marwood, 1895. 
Cc. & St. Hilda, O.R. 1895, 144. 
525. P. « Salomone (x Lathamianum ? x Spicerianum).— Bleu, 1891. 
C. xX Spicero-Lathamianum, ¥. S. H. Fr. 1891, 139.—Bleu. 
c. x Mrs. D. Solomon, G.C. 1897,1. 51; O.R. 1897, 62.—Sander. 
Cc. x Mrs. D. Salomon, Sand. O. Guide, 57, 269.—Sander. 
C. x Monarch, Gard. 1900, i. 164, f.—Law-Schofield. 
526. P. x Sanderi (x Calypso x nitens).—Sander, 1903. 
C. x Louis Sander, G.C. 1903, 1. 46; 11. 340; O.R, 1903, 51, 364.—Sander. 
527. P. x Savon (niveum x venustum).—R. I. Measures, 1897. 
C. x Saron, G.C. 1897, ii. 388; O.R. 1898, 28. 
Cc. x Lord Roberts, G.C. 1899, ii. 478; O.R. 1900, 29.—Charlesworth. 
528. P. x Savagew (x Canhami x Curtisii).—Kimball, 1899. 
Cc. x Anna Savage, R. H. Meas. Cyp. ed. 3, 8.—Kimball. 
e529. P. x Savageanum (x Harrisianum 9 xX Spicerianum), Kerch. Liv. 
d. O. 483.—Seeger and Tropp. 
C. xX Savageanum, G.C. 1888, ii. 407; O.R. 1893, 228. 
C. X Seegerianum (Spicerianum ?), G.C. 1888, ii. 407 (in note) ; G. World, 
1888, 822; Gard. 1889, ti, 494; O.R. 1893, 228,—Seeger and Tropp. 
