90 
THE SECTION TUBEROSAE OF 
1 Bain’s Kloof, Schleckter, 9166: Tulbagh Waterfall, Bolus, 1151; 
Winterhoek Mt., Marloth, 2331 ; Mitchell’s Pass, 3497 and Bolus 
2610; Wupperthal, Leipoldt, 530; Cedarberge, Clanwilliam, E. & Z. 
1854; near the Tulbagh Waterfall, E. & Z. 1855. 
In Cr. patens Harv. (E. & Z. 1855) the leaves are more deeply cut 
than is usually the case in Cr. dentata, but I do not consider this 
species sufficiently distinct as the nature of the margin varies some- 
times on the leaves of the same specimen. 
2. Cr. Dielsii, School, in Rec. Alb. Mus. I (1904), p. 117. 
Cedarberge, Clanwilliam, 1170 m., Diels, 1161. 
3. Cr. nemorosa, Endl. in Walp. Rep. n, p. 253; Harv. in Flora Cap. n, 
p. 356 ; Petrogeton nemorosum E. & Z. in Enum. no. 1859, p. 292 ; 
Cr. nivalis (E. & Z.) Harv. in Flora Cap. it, p. 356; Petrogeton nivale 
E. & Z. Enum. no. 1860, p. 292. It has been suggested that this 
may be Cr. cordata Linn, in Syst. Veg. xiv, p. 306, suppl. p. 189; 
Thunberg in Nova Acta Nat. Cur. vi, p. 330; and El. Cap. ed. Schultes, 
p. 393, DC. Prodr. in, p. 389, which was re-named Cr. neglecta by 
Schultes in Syst. Veg. vi, p. 722, but the detailed description by 
Thunberg of specimens from the Zwartkops River does not fit in with 
Cr. nemorosa nor with any other Orassula I am acquainted with. 
Cr. nemorosa is found in damp shady places in the Eastern districts 
of Cape Colony from near sea-level to an altitude of at least 1500 m. 
It flowers mostly from July to October, sometimes right through the 
year. 
Maraisburg, Sim, 2689; Graafl Reinet, Bolus in Herb. Norm. 
Austr. Afr. 1043 ; Cookhouse, Rev. F. A. Rogers ; Redhouse, Mrs T. V. 
Paterson; Bothashill near Grahamstown, MacOwan, 944; Port Alfred 
near sea-level, S. Schonland; Oxton near Wittlesea, E. E, Galpin, 
7369. I have also seen an original specimen of Ecklon and Zeyher’s 
Cr. nivalis from the Winterberg (no. 1860). It was unfortunately 
rather incomplete, but it did not seem to differ from Cr. nemorosa in 
any essential character. 
4. Cr. conjusa , Schonl. et Bak. f. in Journ. of Bot. xxxvi (1898), p. 366. 
Ivoudeberg, Schleckter, 8727. 
5. Cr. Promontorii , Schonl. et Bak. f. in Journ. of Bot. xxxvi (1898), p. 366; 
Cr. dentata Harv. (excl. var. minor) in Flora Cap. n, p. 356 ; ? Petro- 
geton dentatum E. & Z. in Enum. no. 1857, p. 291. 
Kasteelspoort, Table Mt., Wolley-Dod, 1624; Bolus and Wolley- 
1 The specimens quoted have been seen by me unless stated otherwise. 
