AMO MALES. 



471 



Of the exotics, Ccdogyne, Lcelia,CaUleya, etc., are to be seen in conserva- 

 tories. 



Tribe VII. Malaxidece, with a single dor- 

 sal, terminal, or anterior anther, which contains four 

 stalkless, waxy pollen masses, not provided with a 

 viscid disc. 



Calypso, Liparis, Corallorhiza, and other genera 

 occur in the United States ; the last named appears 

 to be parasitic. Among the many exotics may be 

 mentioned Bulbophyttum, Dendrdbinm, Malaxis, 

 etc. 



565. Cohort XIV. Amomales. Herbs 

 (some almost arbores- 

 cent) with hexamerous 

 and mostly zygomor- 

 phic perianth ; sta- 

 mens six, generally 

 from one to five only 

 polliniferous. 



Order Bromeliaceee. 

 The Pine-apple Family. 

 Distinguished from the 

 next by the regular flow- 

 ers and six perfect sta- 

 mens. About two hundred 

 species of almost entirely 

 tropical plants constitute 

 this order. But one genus 

 (Tillandsia) is represented 

 in the Southern United 





Fig. 364. Spike of tlie 

 fruits of the Pine-upple (An- 

 anasa sativa) terminated 



^ -^ i States ; of the eight or ten by a tuft of leave8 ' 

 \ Wn nat * ve s P ec i es > the Long Moss (T. usneoides) of the 

 Southern Atlantic coast is the best known. It is 

 used in upholstery and in the manufacture of mat- 

 tresses. 



Ananassa sativa, the Pine-apple, supposed to be 

 a native of Brazil, is now cultivated throughout the 

 ' l/iym world. In cool climates it is grown in hot-houses, 

 and it is said that these are much better than those 

 grown out of doors in warm climates. The fleshy 

 fruits are aggregated into solid cone-like masses (Fig. 

 Fig. 363. Ripened 364), the well-known Pine-apples of commerce, 

 ovary of Vanilla, split *.,... mi -o w M *!, 



open and showing the Order Scitammeee. The Banana Family, with 



zygomorphic perianth, and one to five, very rarely 

 six, perfect stamens. Three sub-orders are well marked. 



