208 MR. H. BOLUS'S CONTRIBUTIONS 
XXVIII. PrenxaopruM, Sw., in Kongl. Vet. Acad. Handl. xxi. 
(1800), 217, t. 3. fig. E; Benth. d Hook. f., Gen. Plant. ii. 
(1883), 632. (Ommatodium, Lindl., Gen. 4 Sp. Orch. 
(1838), 365.) 
$1. Eupterygodium. 
1. P. ararum, Sw., in Kongl. Vet. Acad. Handl. xxi. (1800), 218 ; 
Ker, in Journ. Sci. R. Inst. Lond. viii. (1820), t. 3. f. 2.— 
West. and S.-West. districts. 
Ophrys alata, Thunb., Prodr. Plant. Cap. (1794), 2. 
2. P. CATHOLICUM, Sw., in Kongl. Vet. Acad. Handl. xxi. (1800), 
218; Ker, in Journ. Sci. R. Inst. Lond. vi. (1819), t. 1. f. 3. 
— Capetown to Port Elizabeth. 
Orchidi affinis &c., Buxbaum, Cent. iii. (1729), 12, t. 21. 
Ophrys catholica, Linn., Sp. Plant. ed. 2 (1763), 1344. 
Ophrys alaris, Linn. f., Suppl. (1781), 404. 
3. P. cAFFRUM, Sw., in Kongl. Vet. Acad. Handl. xxi. (1800), 
218.—8.-W estern districts. 
Ophrys caffra, Linn., Sp. Plant. ed. 2 (1763), 1314. 
4. P. INVERSUM, Sw., in Kongl. Vet. Acad. Handl. xxi. (1800), 
218; Ker, in Journ. Sci. R. Inst. Lond. ix. (1820), t. 4. f. 1. 
— West. and S.- West. districts. 
Ophrys inversa, Thunb., Prodr. Plant. Cap. (1791), 2. 
5. P. PLATYPETALUM, Lindl., Gen. 4 Sp. Orch. (1838), 366.— 
S.-Western districts. 
6. P. AcuTIFOLIUM, Lindl., Gen. 4 Sp. Orch. (1838), 366.—- 
S.- Western districts. 
7. P. venosum, Lindl., Gen. & Sp. Orch. (1839), 367.—Caledon, 
Palmiet R., &c. 
8. P. CRUCIFERUM, Sond., in Linnea, xix. (1847), 109; [ Bolus, 
Orch. Cape Penins. (1888), 186, tab. 22. figs. 18-21, anal. |. 
— Capetown and Uitenhage. 
9. P. RUBIGINOSUM, Sond., in Linnea, xx. (1847), 220 (nomen) ; 
Bolus, in Journ. Linn. Soc., Bot. xx. (1884), 486.—Caledon 
(Zeyher 3946). 
10. P. MAGNUM, Reichb. f., in Flora (1867), 117 ; Bolus, in Journ. 
Linn. Soc., Bot. xxii. (1885), 75.— Kagaberg to Natal. 
11. P. nasrATUM, Bolus, supra, p. 177.— Orange Free State. 
