338 
orchideje. (S. Moore.) 
6. AMPHORCHIS, Thouars. 
Sepals and petals spreading, subequal, the lateral sepals adnate to 
the base o£ the labellum. Labellum patent, free from the column, 
unequally 3-lobed. Anther terminal, its arms short, horizontal, broadly 
oblong, obtuse ; pollen-masses pyriform, attached by straight slender 
caudicles to thin, oblong, exposed glands ; rostellum short, linear, 
parallel with the arms of the anther, on the outer side of which are 
placed the stigmatic lobes. — A tuberous terrestrial plant. Leaves 
lanceolate. Scape erect, bearing many small, spurred flowers. Distrib. 
The genus is monotypic. 
1. A. calcarata, Thouars , Orch. Afr. t. 4. Tubers about 1 in. in 
length, oblong. Leaves lanceolate, acuminate 4-6 in. long, J-f in. 
broad, sheathing the scape for a short distance. Scape slender, 6-9 in. 
high, clothed with a few narrow sheathing scales ; flowers numerous, 
crowded ; bracts lanceolate, acuminate, nearly J in. long. Sepals and 
petals subequal, ovate-oblong, about ^ in. in length. Labellum about 
i in. long, broadly cuneate, 3-lobed ; lateral lobes short, obtuse ; mid- 
lobe rotundate, cuspidulate, crenulate ; spur more than in. long, 
straight, slender, obtuse. Rostellum almost horizontal ; lobes of the 
stigma cuneate, with a row of black dots round the outer border. 
Capsule oblong, i in. long. Cynorchis squamosa, Lindl. Gen. and Sp. 
Orch. 332. Gymnadenia squamata, Rich. Orch. Maur. 24, t. 6,f 2. 
Habenaria Amphorchis, Spreng. Syst. Veg. iii. 689 ; Bojer , Rort. Maur. 
310. 
Mauritius, Cure-pipe and Plaines Wilhelms, Bojer ! ; Nouvelle Decouverte, 
Bouton ! etc. Also in Bourbon" 
7. ARNOTTXA, Rich. 
Sepals spreading, free, the lateral larger than the upper. Petals 
ascending, narrow. Labellum free from the column, not much unlike 
the other perianth-segments, spurless. Anther crowning the column, 
with two linear, straight arms ; pollen-masses ovoid, joined by slender 
caudicles to a naked, oblong gland ; rostellum rudimentary ; stigma of 
two broad, fleshy lobes meeting in the centre, and occupying the whole 
front of the upper part of the column. — Terrestrial herbs with tuberous 
roots. Leaves radical, solitary. Scapes erect, bearing numerous small 
flowers. Disteib. Genus endemic in the Mascarene Archipelago. 
Leaves ovate-oblong. Lateral sepals spathulate-ovate, ± in. 
long. Labellum oblong. Lobes of the stigma fleshy . 1. A. mauritiana. 
Leaves lanceolate. Lateral sepals broadly oblong, -i in. long. 
Labellum lanceolate. Lobes of the stigma membranous 2. A. inermis. 
1. A. mauritiana, Rich. Orch. Maur. 33 t. 7,/. 1. Tubers clus- 
tered, narrowly ovoid. Leaves ovate-oblong, acute or shortly apiculate, 
| in. long, 1-1 \ in. broad ; base sheathing the scape. Scape 6-10 in. high 
