EXTERNAL MORPHOLOGY AND ORGANOGENY 

 (INCLUDING TERATOLOGY). 



{See also (L) General Biolog-y.) 



I'OOO General. 



1010 Vegetative Organs. 



1050 Shoot. 



1100 Stem. 



1150 Leaf. 



1200 Root. 



1250 Thallns. 



1300 Tricbomes and Metamorphosed Meir.bers. 



1350 Reproductive Organs. 



1500 Flower and Inflorescence. 



1550 Frnit. 



1600 Seed. 



1'650 Sporangia. 



1700 A^egetative Organs of Propagation. 



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



1800 Teratology. {See also h IbOO.) 



1950 Methods. 



ANATOMY, DEVELOPMENT, AND CYTOLOGY. 



{See also (L) General Biology.) 



2000 General. 



2010 Vegetative Organs. 



2020 Shoot. 



2040 Stem. 



2060 Leaf. 



2080 Root. 



2100 Thallus. 



2120 Trichomes and Metamorphosed Members. 



2140 Reproductive Organs. 



2200 Flower and Inflorescence. 



2220 Perianth. 



2240 Androjcium. 



2260 Gynceceum. 



2280 Fruit. 



2300 Seed. 



2320 Sioorangia (Cryptogamic). 



2340 Sexual Organs (Cryptogamic). 



2360 V(>gotative Organs of Propagation. 



2380 Embryology^ 



2450 Anatomy and Development of Tissues. 



2500 Tegnnicntary Tissues (primary and secondary). 



2520 Secretoiy Tissues. 



'■-2540 Mechanical Tissues. 



;2560 Ground-Tissue. 



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



2600 Secondary Vascular Tissues. 



