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 ORCHIDEiE HORTT KEWENSIS. 489

Petala adscendentia secunda. Columna petaloideo-dilatata. Masses pollinis 4.

] . C. americana, labello basi angustato subuuguiculato : calcare semibifido laminarn superante dentibus acutis, pe- dunculo germine longiore.

Calypso borealis. Salisb. paradis. 89. (exclusis, ni fallor, synonymis.)

Nat of North America. %.

��MALAXIS. {Swart* in act Stockholm. 1800, jh. 233.) Brown mss.

Lahellum explanatum indivisum sessile (ssepius posticum). Petala 5 angustiora, patula v. deflexa. Masses pollinis 4 parallels, apicibus stigmati affixse.

1. M. paludosa, foliis subquaternis apice scabris, scapo pentagono, labello concavo acuto. Willden. sp.pl. 4, p. 91.

Engl dot 72.

Nat of England. %.

2. M. Loeselii, foliis binis ovato-lanceolatis, scapo trigono, labello apice ovato recurvato. Willden. sp. pi. 4, p. 93.

Ophrys Loeselii. Engl, hot 47. Nat of England. %.

3. M. lilifolia, foliis binis ovato-lanceolatis, scapo tri- quetro, petalis interioribus reflexis discoloribus, labello concavo obovato apice acuto. Willden. sp. pi. 4, p. 92. [209

Ophrys lilifolia. Andrews's reposit 65. Nat of North America. %.

��CORALLORRHIZA. {Hall, hist %p. 159.) Brown mss.

Labellum basi productum : calcare adnato v. libero. Columna libera. Masses pollinis 4 obliqnae (nee parallels).

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