Ommatodium. | ORCHIDE (Rolfe). 271 
- Volucris (Lindl. Gen. & Sp. Orch. ene. plant 3-1} ft. 
het : stem rather stout, nearly straight ; leaves 2 or 3, sessile and 
amplexicaul, ovate-oblong or cordate-oblong, subobtuse, a lower 
" 4 
—4 in. long and subradical, upper much sma and more erect 
, kes 2-4 i 
oblique, very broadly obovate, 34 lin. long; unequally bilobed at 
the apex, inner lobe oblong, obtuse, rae: broadly rounded, undulate, 
with inflexed upper margin; lip broadly triangular-hastate or 
subtrilobed, very acute, gi lin. long, with a spreading tooth-like 
fold on either side near the base ; appendage erect, shortly unguicu- 
late, obovate, denticulate or obtuse, concave, over 11 lin. ] Ng ; 
Suppl. 403. O. triphylla, Thunb. Prodr. 2. Pterygodium Volueris, 
Sw. in Vet. Acad. Handl. Stockh. 1800, 218 ; Thunb, Fl. Cap. ed. 
Schult. 22; Ker in Quart. Journ. Sci. # Aits, ix ix. 310, ¢. 4, fig. 2; 
Bolus in Trans, $ S. Afr. Phil. Soc. v. 188, Orch. Cap Penins. eet in 
Journ. Linn. Soe. xxv. 209, and Ie. Orch. Austr. AST 3. 42100; 
Durand & “Sekine te aa Fl. Afr. v. He Schlechter in Bull. 
Herb. Boiss. 1" sér. vi. 805 ; agora ee Gen. et Sp. i. 854, and in 
Ann. Naturhist. Hayes Wien, x 
SourH Arrica: without locality, Masson! Auge! Nelson! Harvey, 134! Grey! 
Berg si Leibold. 
Coast Recon: Clanwilliam Div.; near Brakfontein, Ecklon & Zeyher, 34! 
Schlechter, 5230. Malmesbury Div. ; ’ near ar Groene — 400 ft., a 4333 | 
Tulbagh Div ; near Tulbagh, Zeyher(?). Paarl Div.: Frenc oek, Bolus 
: sid seth Table Soate Jem 4886, 0 
pes een Table , Brown ! Devils 1300 ft., Schlechter ; 
and Lion eak, 
ear — Schlechter, “Tas ! ‘neur Little Lions Head, Wolley-Dod, 1662! 
near Chapmans Bay, Wolley-Dod, 1745! beyond Sandhills on Cape Flats, 
Wolley epee 1791! Stellenbosch Div.; Lowrys Pass, Schlechter. Caledon Div. : 
near Caledon, 1000 ft., fide Bolus. Swellendam Div. ; near Swellendam, fide 
Bolus. 
WesTERN Recion: Little Namaqualand ; near Klipfontein, 3000 ft., fide Bolus. 
XLII. PTERYGODIUM, Sw. 
Odd _ sepal ie Hea more or less concave ; lateral sepals - 
spreading, ascending or reflexed. Petals oblique and united to t 
margins of the dorsal sepal into a more or less flattened hood, ject 
contracted in front, not saccate at the base. Lip united to the 
face of the column and adnate to it between the stigmatic lobes and 
arms of the rostellum, narrowed into a claw below, dilated into a 
