C. borealis (Northern).* fl. solitary, delicate rose and brown, with a yellow crest on the lip; labellum longer than the sepals, the lateral lobes cohering in their upper part over the saccate central one, which is usually bifid at the tip, resembling those of a Cypripedium. Summer. l. solitary, thin, many-nerved, ovate or cordate. Stems usually thickening into pseudo-bulbs. h. 1ft. High latitudes of Northern hemisphere, 1820. (B. M. 2763.)
CALYPTRA. Literally an extinguisher; applied to the hood which covers the theca in mosses.
CALYPTRANTHES (from kalyptra, a covering, and anthos, a flower; in allusion to the operculum of the flower). ORD. Myrtaceæ. Strong-growing stove evergreen shrubs or small trees. Peduncles axillary, many-flowered. Leaves feather-veined. They are of easy culture, in a compost of loam and peat, and may be propagated by layers, or by cuttings, placed in heat.
C. Chytraculia (Chytraculia). fl. white, small, glomerate; peduncles axillary and terminal, trichotomous, panicled, and are, as well as the flowers, clothed with rufous velvety down. March. l. ovate, attenuated at the apex, stiffish, glabrous. h. 10ft. Jamaica, 1778. (N. S. 1, 26.)
C. Syzygium (Syzygium). fl. white, on short pedicels; peduncles axillary, trichotomous, many-flowered. May to July. l. ovate, obtuse, stiff. h. 10ft. to 12ft. Jamaica, 1779.
CALYPTRARIA. See Centronia.
CALYPTRATE. Resembling an extinguisher.
CALYPTRIFORM. Shaped like an extinguisher.
CALYPTRION. See Corynostylis.
CALYPTROCALYX (from kalyptra, an extinguisher, and kalyx, a calyx, in allusion to the form of the outer perianth segments). ORD. Palmeæ. A monotypic genus of stove palms. For culture, see [Calamus.]
C. spicatus (spiked). fl., spadices elongated, spicate, leafy at base; spathe opening longitudinally. l. terminal, pinnatisect; segments reduplicate, linear, acuminate, bifid at the apex; petiole fibrous at the base. Caudex finally smooth. h. 12ft. Moluccas. SYNS. Areca and Pinanga globosa.