OP THE GENERA. Ivii 



Order VIII. — MONADELPHIA. — Stamens united into 1 set {^sometimes in two 

 or three sets.) 



* Stems not woody. • 



AcALYPHA. Sterile Fl. Perianth 3 — 4-parted. Stamens 8 — 16, very 

 short. Fertile Fl. Styles 3, 2-parted. Capsule 3-celled ; cells 1-seeded. 

 Eiiphorbiacece, p. 312. 



RiciNUs. Sterile Fl. Perianth 5-parted. Stamens numerous. Fer- 

 tile Fl. Perianth 3-parted. Styles 3, 2-parted, Capsule mostly echinate, 

 3-celled, 3-seeded. Euphorbiacece, p. 311. 



Phyllanthus. Sterile Fl. Perianth 6-parted ; segments spreading. 

 Stamens 3, very short. Anthers didymous. Fertile Fl. Perianth as in 

 the sterile. Styles 3, bifid. Capsule 3-celled. Euphorbiacece, p. 311.- 



Melothria. Sterile Fl. Calyx 3 — 5-toothed. Corolla campanulate. 

 Filaments 5, in 3 sets. Fertile Fl. Calyx and corolla as in the sterile. 

 Style 1. Stigmas 3, fimbriate. Fruit 3-celled, many-seeded. Cucurbi- 

 tacecB^ p. 118. 



EcHiNOCYSTis. Calyx flattish ; segments 6, filiform-subulate. Corolla 

 .6-parted, rotate-campanulate. Sterile Fl. Calyx slightly contracted 

 above the ovary. Stamens 3, in two sets. Fertile Fl. Abortive fila- 

 ments 3, very small, distinct. Style very short. Stigmas 2. Fruit globose- 

 ovoid, bristly-echinate 2-celled, 4-seeded. CucwbitacecB, p. 118. 



SiCYOs. Sterile Fl. Calyx 5-toothed ; teeth subulate or minute. 

 Petals 5, all cohering in a tube, at length separating into three parcels. 

 Fertile Fl. Calyx constricted above the ovary, campanulate. Corolla 

 campanulate. Style rather slender. Stigmas 3, thick, obtuse. Fruit 

 ovate, spiny or hispid, 1-seeded. Cucurbitacece, p. 1 18. 



** Stems woody. 



Thuya. Sterile Fl. Ament terminal, very small, ovoid. Perianth 

 none. Anther-cells 4, opening longitudinally. Fertile Fl. Cone with 

 the scales 2-flowered. Seeds more or less winged. Coniferce, p. 338. 



CupRESsus. Sterile Fl. Anient solitary. Anthers 2 — 4-celled. Fer- 

 tile Fl. Cone globose ; the scales protuberant or mucronate in the centre, 

 and finally spreading. Seeds angular, compressed. Conifera, p. 339. 



PiNUs. Aments racemosely clustered ; scales peltate. Stamens nume- 

 rous, with short filaments. Fertile Fl. Aments more or less conic or 

 cylindric ; scales closely imbricate, 2-flowered, enlarging and becoming 

 woody, forming a cone. Seeds winged at the summit, covered by the 

 scales of the cone. ConifercB, p. 339. 



CLASS XX. — DICECIA. — Stamejis and Pistib in separate flowers and on 

 different plants. 



Order I.— DIANDRIA.— -Stamens 1—5, mostly 2. 



Salix, Ament cyUndric. Perianth none. Sterile Fl. Stamens 

 mostly 2, but often 3 — 5. Fertile Fl. Ovary with a gland at the base. 

 Stigmas 2, often cleft. Salicacecc, p. 319. 



Valisneria. Sterile Fl. Spathe ovate, 2 — 4-parted. Spadix covered 

 with minute flowers. Perianth 3-parted. Stamens 2. Fertile Fl. Scape 

 very long, flexuous or spiral. Spathe tubular, bifid, 1-flowered. Perianth 

 elongated, 6-parted; the alternate segments linear. Style none. Stigmas 3, 



B3* 



