EXTERNAL MORPHOLOGY AND ORGANOGENY 

 (INCLUDING TERATOLOGY). 

 (See also (L) General Biology.) 



1000 Geneial. 



1010 Vegetative Organs. 



lO.oO Shoot. 



1100 Stem. 



1150 Leaf. 



1200 Root. 



1250 Thallas. 



1300 Tiielioincs and Motamor})liosecl Members. 



1350 Reproductive Organs 



1500 Fiowt'i- aucl Inflorescence. 



1550 Fruit. 



1600 Seed. 



1650 Sporaiig-ia. 



1700 Vegetative Organs of Propagation. 



1750 Alternation of Generations. (See also L 2550.) 



1800 Teratology. (See also L 1500.) 



l'J50 Methods. 



ANATOMY, DEVELOPMENT, AND CYTOLOGY. 

 (See also (L) General Biolog}'.) 



2000 General. 



2010 Vegetative Organs. 



2020 Shoot. 



2040 Stem. 



2060 Leaf. 



2080 Root. 



2100 Thallus. 



2120 Trie-homes and Metamorphosed Members. 



2140 Reproductive Organs. 



2200 Flower and Inflorescence. 



2220 Perianth. 



2240 Androecium. 



2260 Gynoeceum. 



22.S0 Fruit. 



2300 Seed. 



2320 Sporangia (Cryptogamic). 



2340 Sexual Organs (Cryptogamic). 



23G0 Vegetative Organs of Propagation. 



2380 Embryology. 



2450 Anatomy and Development of Tissues. 



2500 Tegumentary Tissues (piimary and secondary). 



2520 Secretory Tissues. 



2540 Mechanical Tissues. 



2560 Ground-Tissue. 



2580 Primary Vascular Tissues (including works on the Stele). 



2600 Secondary Vascular Tissues. 



