kxx GENERA. 



VII. OCTANDRIA. 

 731. POPULUS. Catkin cylindrical. Gal. a lacerated scale. Cor. top-shaped, oblique, 

 undivided. Fertile Fl. Stigmas 4 or 8. Caps, superior, of 1 cell and 2 valves. Seeds crested. 

 T)-ees, with gummy buds. Stip. in pairs. L.-sfalk compressed laterally. Amentace^e. 

 p. 341. 



531. DIOSPYKUS. Cal. and Cor. eact 4-6-cleft. Sta. on base of coroUa. BeiTy of 

 8-12 cells and as many seeds. Some of tte PL ai^e complete. A Tree, with alternate, undivided 

 L. Ebenace^. p. 244. 



259. EHODIOLA. Cal. in 4, deep segments. Pet. 4. Nect. 4, notched. Fertile Fl. 

 Pistils 4. Caps. 4, many-seeded. L. fleshy, hut fiat. Root very thick, above ground. Stem 

 simple. Crassulace^. p. 133. 



VIII. ENNEANDRIA. 

 719. MEECUKIAIiIS. Cal. 3-parted. Cor. 0. Barren Fl. Sta. 9-12; CeUs of 

 Anther 2, globose. Fertile. Styles 2. Caps. 2-hunched, 2-seeded. L. opposite, stalked, un- 

 divided. EuPHORBIACEiE. p. 330. 



741. HYDROCHARIS. Cal. tripartite. Pet. 3. Barren Fl. Inner Fil. beaked. 

 Fertile. Styles 6. Caps, inferior, of 6 cells and many seeds. Aquatics, with reniform, 

 floating L. Hydkocharide^. p. 345. 



IX. DECANDRIA. Coeiaele. 

 152. COKIABIA. Cal. 5-parted. Pet. 5, very small, gland -lOce. Fertile. Styles 5. 

 Caps. 5, 1-seeded. A small Shrub, vjith opposite, entire L., and the flowers in tei'minal 

 racemes, p. 72. 



X.' MONADELPHIA. CoNiFERiE. 



736. EPHEDRA. Barren. Catkin few-flowered ; Calyces imbricated, cloven ; Cor. ; 

 Sta. 7. Fertile. Cal. imbricate, the Scales thickening and forming a two-seeded berry; 

 Cor. ; Styles 2. Woody, p. 343. 



737. TAXTJS. Barren Fl. without calyx or corolla. Anthers of 3-8 cells, on the under side 

 of a peltate, lobed connective. Fertile Fl. solitary. Cal. cup-shaped, quite entire. Cor. none. 

 Style 1. Seed solitary, coated by the pulpy calyx, open at top. An evergreen Tree, with 

 small linear L. p. 343. 



738. JUKIPEEITS. Barren Fl. Cal. the scale of a catkin ; Cor. none ; Sta. 3. Fertile. 

 Scales few, opposite, finally becoming pulpy and uniting into a berry with 3 seeds. Evergreen, 

 aromatic Shrubs, with small sharp L. p. 343. 



XXIIT. CRYPTOGAMIA. 



Order I. (the only one here introduced). Filices of Linnaeus, \rith the addition of Lyco- 

 podium. Acotyledonece vasculares, DC. Cryptogamics ductidosoe, Bab. 



I. CHARACEiE. Plants with sessile globules (anthers ?) and spirally covered seeds. 



II. EQUISETACEiE. Plants with terminal catkins ; the Scales bearing seed-vessels on the 



under surface. Seeds accompanied by spiral threads, ending in dilated appendages, 

 perhaps serving as anthers. 



III. FILICES. Fructification in capsules of one cell, with 2 valves, and spKtting into 2 

 pai-ts, placed on the back or margin of the frond. In Botrychium and Ophioglossum, 

 the Capsules are not placed at the back, but in a separate portion of the frond. 

 Vernation, except in these two genera, circinate. 



A. Capsule fm-nished with an elastic ring. 

 a. Fruit dorsal. 



