KEY TO FLORA OF CAPE PENINSULA 
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3. Bryophyta — The sporophyte dependent upon the gametophyte. The 
gametophyte a thallus not differentiated into root, stem and leaf. 
(a) Hepaticae — Liverworts. 
(b) Musci — Mosses. 
4. Thallophyta — Sporophyte absent or obscuue. Gametophyte usually a 
simple undifferentiated thallus. 
(a) Myxomycetes — Slime fungi. 
(b) Cyanophyceae — Blue-green algae. 
(c) Schizomycetes — Bacteria. 
( d ) Algae. 
(e) Fungi. 
I. SPERMAPHYTA (Phanerogams or flowering plants) 
I. Angiospermae (ovules enclosed in an ovary). 
A. Dicotyledones (leaves netted-veined ; whorls of the perianth not 
composed of 3 members), 
a. Both whorls of the perianth present. 
1. Petals quite free to the base. 
Stamens more than 10. 
Ovary inferior. 
Gynaeceum syncarpous. 
Water or marsh plants with floating leaves. 
Nympliaeaceae. 
Habit not as above. Ficoideae. 
Gynaeceum apocarpous (carpels enclosed in a cup- 
like receptacle). Rosaceae. 
Ovary superior. 
Leaves stipulate. 
Stipules pungent; carpels 5 adhering to a beak-like 
receptacle. Geraniaceae. 
Stipules not pungent ; carpels not as above. 
Gynaeceum apocarpous (carpels on a conical 
receptacle). Rosaceae. 
Gynaeceum syncarpous. 
Calyx imbricate in bud ; flowers insignificant ; 
stamens 10 — 12. 
Flowers unisexual. Euphorbiaceae. 
