SCLERANTHUS.] 



ILLECEBRAQEJE. 



335 



2, filiform, stigmas capitate ; ovule pendulous from a filiform basal funicle. 

 Utricle indehiscent. Seed lenticular, testa smooth ; embryo annular. — 

 Distrib. Europe, E. Asia, Africa, Australia, "N". Zealand ; species 10. — 

 Etym. <TK\7]p6s, from the indurated perianth. 



1. S. animus, L. ; calyx-lobes suberect in fruit acute with narrow 

 membranous margins. 



Fields and waste places, N. to Caithness ; ascends above 1,000 ft. in the High- 

 lands ; Ireland ; Channel Islands ; fl. June-Sept. — Annual, rarely biennial 

 (S. bien'nis, Reut.). Stem 2-8 in., slender, green, sometimes puberulous. 

 Leaves j-J in., recurved, base often ciliate. Flowers solitary in the lower 

 axils, and fascicled in terminal dichotomous cymes. Calyx-tube 10-grooved 

 in fruit. — Distrib. Europe to the Caucasus, N. Africa, N. and W. Asia ; 

 introd. in U. States. 



2. S. peren'nis, L. ; calyx-lobes incurved obtuse with broad scarious 

 margins. 



Sandy fields, from Radnor, "Warwick, and Norfolk to Cornwall and Dorset ; 

 fl. June-Aug. — Very similar to S. an'mius, but more glaucous, with 

 shorter bracts and pubescent calyx-tube. — Distrib. Europe to the Caucasus 

 Siberia. 



Order LXI. chenopodiace.se 



Herbs or shrubs. Leaves simple, alternate, exstipulate. Flowers 

 1-2-sexual, small, regular, often dimorphic ; bracts 1-3 or 0. Calyx 

 inferior, of 3-5 free or connate sepals, imbricate in bud. Petals 0. 

 Stamens usually 5, opposite the sepals, perigynous or hypogynous ; 

 anthers 2-celled. Ovary ovoid globose or depressed, 1-celled ; stigmas 

 2 4; ovule solitary, basal or lateral, campylotropous. Fruit usually a 

 utricle, enclosed in the often enlarged or fleshy calyx. Seed horizontal or 

 vertical, testa crustaceous, inner coat membranous, albumen floury fleshy 

 or ; embryo curved annular or spiral. — Distrib. All climates ; genera 

 70 ; species about 450. — Affinities. With Amaranthacece, Caryophyl- 

 leos, and Lllecebreai. — Properties. Chiefly known as pot-herbs. 



A. CYCIiOLOBEJE. Embryo annular. 



Tribe I. EUCHENOPODIEiE. Stem leafy. Flowers bisexual, or if uni- 

 sexual perianths of males and females similar 



Flowers 2-sexual. Utricle membranous 1. Cbenopodium. 



Flowers 2-sexual. Utricle striate and hard above 2. Beta. 



Tribe II. ATRIPLICEiE. Stem leafy. Flowers 1-sexual, male 3-5- female 

 2-sepalous .' 3. Atriplex. 



Tribe III. SALICORNIE-ffi. Stem leafless, jointed. Flowers 2-sexual. 

 Albumen scanty ; embryo conduplicate 4. Salicornia. 



