NATURAL SYSTEMS. 



Class LII. Myrtin^. Class LV 



Memecylese, 731 

 Melastomaceae, 731 

 MjTtaceae, 734 



Class LIU, Lampro- 



PHYLL^. 



Camelliacese, 396 

 Ternstroemiacese, 396 

 Chlenaceae, 486 



Class LIV. CoLUMNi- 



FER^. 



Tiliacese, 371 



Sterculiaceoe, 360 

 Buttneriacese, 363 

 Hermanniaceae, 363 

 Dombeyacese, 363 

 Malvacese, 368 



Gruinales. 

 493 



Geraniacese 

 Linese, 485 

 Oxalidese, 488 



Class LVI. Ampelide^. 



Sarmeiitace3e,439 

 Leeaceae, 439 

 Meliacese, 463 

 Cedrelese, 461 



Class LVII. Malpig- 



Malpighiacese, 388 

 Acerinese, 387 

 Coriarieae, 475 

 Erj-throxylese, 391 

 Sapindacea;, 382 

 Hippocastaneae, 382 



? Rhizoboleae, 398 

 Tropseoleae, 366 



Class LVIII. Tricocc^. 



Staclvhousese, 589 

 Euphorbiacese, 274 

 Empetrere, 285 

 Bruniacese, 785 

 Rhamnese, 581 

 Aquifoliacese, 597 

 Pittosporese, 441 

 Celastrinese, 586 

 ? Hippocrateacese, 584 

 ? Staphyleaceae, 381 



Class 



LIX, Tereein- 



THIN^. 



Ochnacese, 474 

 Simarubeae, 476 

 |Zanthoxylese,472 



[Bartlinc 



Diosmese, 469 

 Rutacese, 469 

 Zygopbylleas, 478 

 Aurantiacese, 457 

 Amyiidese, 459 

 Coniiarace8e,463 

 Cassmieae, 465 

 ? Juglandeae, 292 



Class LX. Calophyt^. 



Pomaceae, 559 

 Rosacese, 563 

 Dryadese, 563 

 Spiraeaceae, 563 

 Amygdalese, 557 

 Chrjsobalaneae, 542 

 Papilionaceae, 544 

 Swartzieae, 544 

 Caesalpineae, 544 

 Mimoseae, 544 



1830. LiNDLEY, John. — (An Introduction to the Natural System of Botany, <S;c.) 

 This was a slight modification of De CandoUe's plan, with the apetalous and polype- 

 talous plants thrown together, and consequently with a different sequence of the Natural 

 Orders. No attempt was made at forming the minor groups, now called AUiances. 



Class I. Vasculares, or Flowering Plants. 

 Sub-class 1. Exogens or Dicotyledons. 

 Tribe 1. Angiospemise. 



§ 1. Polypetalous, apetalous, and achlamydeous plants. 

 § 2. Monopetalous plants. 

 Tribe 2. Gymnospermae. 



Sub-class 2. Endogens or Monocotyledons. 

 Tribe 1. Petaloideae. 

 Tribe 2. Glumaceae. 



Class II. Cellulares, or flowerless plants. 



Tribe 1. Filicoideae ; or Fern-like plants. 

 Tribe 2. Muscoideae ; or Moss-like plants. 

 Tribe 3. Aphyllae ; or Leafless plants. 



1832. Hess. J. — {Uebersicht cler Phanerogamischen naturlichen pflanzenfamilien mit 

 einer Jcurzen charakteristiTc derselben). 

 This is essentially an imitation of the method of De'Candolle, with some changes in 

 the sequence of Orders. No attempt is made at forming groups higher than Natural 

 Orders, and it cannot be said that the work has contributed to the progress of 

 Natural classification. The great object of the author seems to have been to form a 

 good series. 



1832. ScHULTZ, Carl Heinrich. — (Naturliches System des Pflanzenreichs nach seiner 

 inneren organization?). 

 In some respects this is like the system of De CandoUe. The author first breaks up 

 the Vegetable Kingdom into Homorgana, which have an exclusively cellular construc- 

 tion, and Heterorgana, which are formed with spiral vessels, and laticiferous vessels in 

 addition. These are evidently the Cellular and Vascular plants of De CandoUe. His 

 Heterorgana he divides into Synorgana and Bichorgana, the first having aU the forms 

 of tissue dispersed through a common cellular mass, the latter having them separated ui 

 the form of bark and wood ; Synorgana are therefore Endogens, and Dichorgana Exogens. 

 The principal peculiai'ity consists in laticiferous vessels or cinenchyma being made a 

 mark of classification, a certain number of flowering plants being thus combined 

 with flowerless, imder the name of Homorgana florifera ; viz., Charads, Naiads, Horn- 

 worts, Podostemads, Seawi'acks, Hydrocharids, Lemnads, &c. Another peculiar feature 

 is the fonnation among Synorgana, or Endogens, of a Class called Synorgana diclior- 

 ganoidea, which is regarded as intermediate in nature between S}-norgana and 

 Dichorgana. This Class is divided into 2 groups, of which the first consists of Peppers, 

 Saururads, and Chloranths, the second of Nyctagos, Waterstars, Hippm*ids, Amaranths, 

 Cycads, Waterlilies, &c. The plan of this classification is as follows : — 



