ORCHIS USTULATA. DWARF ORCHIS.
ORCHIS ustulata; labello punctato, tripartito: laciniis angustis, media apice bifida, petalis conni-
ventibus, cornu obtuso brevi, bracteis germen subtequantibus.
ORCHIS ustulata. Linn. Sp. PI. p. 1333. Huds. Fl. Angl. p. 384. With. Bot. Arr. ed. 4. ml. 2.
p . 24. Hull B r , Bot. p . 194. Relh. Cant. p . 333. Sibth. Ox. p. 10. Smith Fl. Brit,
p . 921. Engl. Bot. t. 18. Oeder Fl. Dan. t. 103. Hoffm. Germ. p. 313. Roth Germ,
ml. 2. p. 381. Lam. Diet. ml. 4. p. 591. Decand. Fl. Fr. ed. 3. ml. 3. p. 247. Fl. Gall,
p . 169- Willd. Sp. PI. ml. 4. p. 20. Deslongch. Ft. Gall. p . 604. Pers. Syn. ml. 2.
p . 504. Aiton Hort. Kero. ed. 2. ml. 5. p . 189. Swartz Gen. et Sp. Orchid, p . 13.
ORCHIS radicibus subrotundis, labello quadrifido, calcare brevissimo. Hall. Iielv. n. 12 7 3 . t. 28.
ORCHIS militaris pratensis humilior. Vaill. Par. t. 31. f . 35, 36.
ORCHIS pannonica quarta. Raii Syn. p. 377.
CYNOSORCHIS minor pannonica. Ger. Emac.p. 207.
Class a n d Ord e r . GYNANDRIA MONANDRIA.
[Natural Ord er . ORCHIDEÆ, Juss. Decandolle. Brown.]
GEN. Char. Cor. ringens. Labellum basi subtus calcaratum. Glandula (una vel duæ) pedicellorum pollinis
inclusæ cucullo unico. Brawn Prodrom, p. 312.
Radix : fibræ paucæ, camosæ, bulbique duo ovati, pal-
lide fusci.
Caulis palmaris et ultra, teres, striatus, foliosus.
Folia alterna, lanceolata, acuta, striata, parum carinata
et undulata, viridia, subtus pallidiora : inferiora
majora, patentia, vaginantia ; superiora sensim
minora, cauli adpressa.
Bracteæ germen subæquantes, lanceolatæ, coloratoe,
purpureæ.
Flores numerosi, albi, purpureo mixti, in spicam obtu-
sam densam subuncialem congesti, sessiles.
Perianthium superum, sex-divisum : foliola tria ex-
teriora ovato-acuminata, per totam fere longitu-
dinem confluentia et galeam formantia, fig. 1.
fusco-purpurea, apicibus acutis, saturatioribus,
liberis ; interiora duo lateralia, fig . 5. superi-
oribus omnino tecta, linearia, obtusa, incurva,
pallide purpurea, immaculata : foliolum inferiüs
vel labellum,fig . 2. reliquis multo majus, album,
• pendens, medio punctis paululum elevatis saturate
purpureis pictum, tripartitum, laciniis la-
teralibus anguste ovatis, subdenticulatis, interme-
dio longiore, apieeque dilatata, bifida, segmentis
obtusis, : Cornu incurvum, obtusum, germine du-
plo-breviu's.
Anthera, fig. 3. terminalis, ovata, bilocularis, loculis
distinctis, per totam longitudinem dehiscentibus,
basi unisaccata ad pollinis pcduncülos recipienda.
Pollen trianguläre, in massam oblongo-ovatam, pe-
dunculatam, congestum,^. 4. basi in glandulam
orbicularem expansum.
Germen oblongum, angulatum.
Root : consisting of small fleshy fibres and two ovate
pale brown bulbs.
Stem a span high and more, round, striate, leafy.
L eaves alternate, lanceolate, acute, striate, a little carinate
and undulated, green, paler beneath: the
lower ones larger, patent, sheathing; the superior
ones gradually smaller, appressed to the stem,
Bractpje equal in length with the germen, lanceolate,
coloured, purple.
F lowers numerous, white, mixed with purple, collected
. into an obtuse thick spike, about an inch long,
sessile.
P e r ia n t h above, six-cleft: the three exterior leaflets
ovato-acuminate, confluent for nearly their whole
length and forming a helmet, fig. 1 . brownish
purple; with their apices acute, deeper coloured
and unconnected; the two intei'ior lateral ones,
fig. 5. altogether covered by the superior ones, linear,
obtuse, incurved, pale purple, without spots:
the lower leaflet or labellum, fig . 2. much larger
than the rest, white, pendent, in the middle stained
with slightly elevated spots of a deep purple
colour, tripartite, with the lateral lacinias narrow
ovate, somewhat toothed, the intermediate one
longer, dilated at the apex, bifid, with the segments
obtuse: the spur incurved, obtuse, shorter
than the germen.
An th e r , 3. terminal, ovate, two-celled, the cells
distinct, opening their whole length, at the base
having one sack for the reception of the foot-
■ stalks of the Pollen.
Pollen triangular, collected into an oblongo-ovate,
pedunculate mass, fig . 4. at the base expanded
into an orbicular gland.
G ermen oblong, angulate.
Eg. 1. Flower of Orchis ustulata. Fig. 2. Labellum. Fig. 3. Anther. Fig. 4. Pollen masses. Fig. 5. Lateral
interior segments o f the Perianth; all magnified.