lxv'ni 



NATURAL ARRANGEMENT. 



429. Order CLXXIX. HYDROCHARI'DEiE. 

 Genera 4, Species 5 ; Hot-house Species 1 ; Green-house Species 2 ; Hardy Ligneous Species 0 ; 

 Hardy Herbaceous Species 2. f 0 feet ; £ 0 feet ; ^= 3| feet. 

 Floating white-flowered plants, of which Stratibtes is the most majestic. They possess no known properties, 

 but have the singular character in Monocotyl£dones of being in some cases lactescent. The species are natives 

 of various parts of the world. Offsets and division. 



2735 Vallisneria L. 

 2795 Hydrocharis L. 



*0 



1130 Damasbnium Schreb. 

 2802 Stratiotes L. 



*0 



430. Order CLXXX. ALISMA v CEiE. 

 Genera 3, Species 26 ; Hot-house Species 4 ; Green-house Species 9 ; Hardy Ligneous Species 0 ; 

 Hardy Herbaceous Species 13. ±0 feet ; £ 0 feet ; =*= 7 feet. 

 Handsome water plants, with white flowers, and many ovaria. Some are common in our English ditches, 

 others are found in similar situations in the tropics. Offsets, division, and seeds. 



2653 Sagittaria L. *0 5 | 1131 Actinocarpus R. Br. *0 1 | 1132 ^h'sma L. *0 7 



431. Order CLXXXI. BUTO v MEiE. 



Genera 2, Species 3 ; Hot-house Species 1 ; Green-house Species 0 ; Hardy Ligneous Species 0; 

 Hardy Herbaceous Species 2. 10 feet ; £ 0 feet ; =*= 3| feet. 



Fine water plants, of which 2?utomus, by general consent the most beautiful of British plants, has purple 

 flowers ; and Limnocharis, a native of the marshes of Brazil, has yellow ones. Division and seeds. 



1234 ^iitomusZ. 



*0 2 1 1558 Limnbcharis Bonp. 



432. Order CLXXXI I. JUNCAGI'NEJi 



Genera 2, Species 8 ; Hot-house Species 0 ; Green-house Species 2 ; Hardy Ligneous Species 0 ; 

 Hardy Herbaceous Species 6. $_ 0 feet ; £ 6 feet ; ^ 0 feet. 

 Insignificant bog plants, with grassy leaves, and central spikes or racemes of greenish yellow flowers. 

 Divisions. 



1106 Scheuchzena L. *0 1 | 1107 Triglbchin L. *0 5 



433. Order CLXXXIII. ORCHFDE^. 

 Genera 111, Species 425 ; Hot-house Species 214 ; Green-house Species 111 ; Hardy Ligneous Species 0 ; 

 Hardy Herbaceous Species 100. £ 0 feet ; ,j£ 15 feet ; =3= 0 feet. 



Of all tribes of plants, this is the most singular, the most fragrant, and the most difficult of culture. The 

 flowers are often remarkable for their grotesque configuration, which has been likened to heads and bodies of 

 animals, and for the strange character of their stems, which are sometimes attenuated into a degree of grace, 

 fulness scarcely equalled even among grasses, and sometimes contracted into a clumsy goutiness of figure 

 such as is known no where else. The species are found inhabiting the mountains and meadows of the cooler 

 parts of the globe, or adhering by their tortuous roots to the branches of the loftiest trees of the tropical 

 forest, to which their blossoms often lend a beauty not their own. Vulgarly, this last description of plants is 

 called parasitic ; they are, however, not so, deriving no support from the juices of the plants on which they 

 grow ; but, on the contrary, are epiphytes, merely adhering to other plants for support, and vegetating amidst 

 the rich black soil which collects at the foot of all trees growing in a hot humid climate. It is very singular, 

 that the pollen of these plants has no parallel, except among the very different and distinct order of 

 Asclepiadea?. The only medicinal properties of the order exist in the roots of some of the Orchises, from 

 which the nutritious substance called salop is prepared. The Vanilla of the shops is the pod of the genus 

 called Vanilla. From the boiled stems of some of the Brazilian species a tenacious glue is obtained, which 

 is employed in many useful purposes. Division and offsets. 



434. Tribe 1. Neottie n jE Lindl. 

 lig. 0. herb. 10. £ 4| ft. 



2492 Goodyera R. Br. *0 3 



2500 Thelymitra Forst. 



2493 Diiiris Sm. 



2499 Orth6ceras R. Br. 

 2498 Crypt6stylis R. Br. 



2494 Ponthieva R. Br. 



2510 Prasophyllum R. Br. 



2502 Calochllus R. Br. 



2496 Neottia Swx. *0 5 



2495 Pelexia Poit. 



2501 Lfstera R. Br. *0 2 



2497 Stenorhynchus Rich. 



435. Tribe 2. Arethu v sejs Lindl. 

 lig. 0. herb. 10. £ 5 ft. 



2503 Arethbsa L. 



2504 Calopogon R. Br. 



2505 Pogdnia R. Br. 0 2 



2511 Micrbtis R. Br. 



2512 Acianthus R. Br. 



2513 Cyrtostylis R. Br. 



2514 Chiloglbttis R. Br. 



2515 Eriochllus R. Br. 



2516 Caladenia R. Br. 



2506 Lyperanthus R. Br. 



2517 Glossudia R. Br. 

 1518 Pterostylis R. Br. 



2507 ^pipactis Rich. *0 2 



2508 Cephalanthera Rich. *0 3 

 2520 Corallorrhlza R Br. *0 3 



2509 Caleya R. Br. 

 2519 Corysanthes R. Br. 



436. Tribe 3. GASTRoniE\E 

 R. Br. 



2574 Frescbtm Lindl. 



3411 Gastrbdia R. Br. 

 2579 Vanilla Swz. 



437. Tribe 4. Ophry'de&: Lindl. 

 lig. 0. herb. 61. £ 12 ft. 



2481 O'rchisi. *0 27 



2485 Glossula Lindl. 



2486 Anacamptis Rich. *0 1 



2482 Nigritella Rich. 0 1 



2487 A'ceras R. Br. *0 1 



2488 {Tphrys L. *0 7 

 2491 Serapi«y L. 



2473 Disa Berg. 



2483 Habenaria R. Br. 0 13 

 2480 Gymnadenia Rich. *0 7 



2478 Platanthera Rich *0 3 



2489 Cham6rchis Rich. 



2490 Herminium R. Br. *0 1 



2484 Barthollna R. Br. 



2479 Bonatea W. 

 2477 Satyrium L. 



2474 Pterogodium Swx. 



2475 Disperis Swz. 



2476 Corycium Swx. 



438. Tribe 5. Va'ndeje Lindl. 



2571 Calanthe R. Br. 

 2560 Octomeria R. Br. 

 2537 Maxillaria Fl. per. 



2548 Camaridium Lindl. 



2549 Ornithi'dium Sal. 

 2551 Pholidbta L. 



2545 Megach'nium Lindl. 

 2557 Ornithocephalus Hook. 

 2556 Cryptarrhena R. Br 

 2565 Aerides Sw. 

 2564 Vanda R. Br. 

 2563 Sarcanthus Lindl. 



2570 Aeranthes Lindl. 

 2569 Angrce x cum Thou. 



2567 Ionopsis Kth. 

 2566 Renanthera Lou. 

 2523 Cymbidium Swx. 

 ? 2524 Cirrha3 v a B. R. 



2527 Lissoch'ilus R. Br. 



2525 Sarcochllus R. Br. 



2529 Geodorum Jac. 



2528 Dipodium R. Br. 



2540 Oncidium Swx. 

 2543 Macradinia R. Br. 



2526 Brass?'a R. Br. 



2541 Cyrtopodium R. Br. 



2532 Zygop£talum Hook. 



2530 Catasetum Rich. 



2531 Anguloa R. & P. 



3412 Ceratochllus Lod. 



3413 Encyclia Hook. 



2534 Heterotaxis Lindl. 



2568 Eulbphia R. Br. 

 2536 Xylbbium Lindl. 

 2555 Polystachya Hook. 

 2546 Gongbra R. & P. 



2535 Trizeuxis Lindl. 



2521 Rodriguez^ Fl. per. 



2533 Sophronitis Lindl. 

 2577 Fernandesz'a R. & P. 



2561 Tribrach ia Lindl. 



2522 Gomeza R. Br. 



2536 Notylia Lindl. 



439. Tribe 6. Epide'ndrEjE Lindl. 



2558 Bletm R. & P. 



2562 Brasavbla R. Br. 

 2554 Epidendrum L. 

 2553 Cattleya Lindl. 

 2552 Broughthnra R. Br. 

 2550 Isochllus R. Br. 



