§ 3- Centrospermce (Moss) (cf. p. 17). 
Per. single or double, sepaloid or inner whorl often 
petaloid. Seeds usually campylotropous. 
Order 9 CENTROSPERMCE. 
Mostly herbs. Lea. usually exstipulate or stipules 
(if present) scarious. Sta. i — 00 or (if isomerous) 
opposite to the per. segments. Carp, i — oo> 
generally united. Ovary superior, + i -celled ; 
ovules I — 00; plac. basal or central. Seeds with 
perisperm, round which embryo is curved. 
Family 30. CHENOPODIACB^. Herbs, fre- 
quently xerophylic, often mealy. Lea. spiral, + 
fleshy, entire or lobed, exstipulate, sometimes much 
reduced. Flow, spiral, small, greenish, actinomor- 
phic, occasionally i-sexual by suppression. Per. 
single, sepaloid; segments i — 5, imbricate. Sta. as 
many or fewer, + hypogynous, incurved in bud. 
Carp. (2), rarely (3 — 5) ; ovary i-celled, with i basal 
campylotropous ovule. Fr. a nut, enclosed in the 
persistent perianth. 
Beta, Chenopodium, A triplex, Salicornia, Suceda, 
Salsola, [Spinacia, Kochia.'\ 
[Amaranthace^. Differs from the preceding 
family in being less xerophytic, having a mem- 
branous coloured perianth, and sometimes more 
than I seed. Amaranthus, Celosia, Iresine.'] 
[Aizoace^. Herbs (generally). Lea. fleshy. 
Per. 5, sepaloid. Sta. 5 or more, outer sometimes 
changed into petaloid staminodes. Carp. 2 — 00; 
ovules 00, campylotropous (plac. parietal and ovary 
inferior in the genus mentioned). 
Mesembryanthemum.'] 
16 
