THE STUDENTS' 



FLORA OF NEW ZEALAND 



AND 



THE OUTLYING ISLANDS. 



Class I.-DICOTYLEDONS. 



Division I.-POLYPETALAE. 



Oedee I.-RANUNCULACEAE. 

 Herbs with radical or alternate leaves, rarely shrubs with opposite leaves ; 

 stipules adnate to the petiole or 0. Flowers usually regular, perfect or rarely 

 unisexual. Sepals 5 or more, rarely 2—4, deciduous, imbricate or rarely valvate 

 in bud. Petals 5 or more, rarely 3 or 0. Stamens numerous or rarely few, 

 hypo^ynous ; anthers adnate, dehiscing laterally. Carpels numerous or rarely 

 3—4 or solitary, free on a torus which is sometimes elongated, ovules 1 or 

 manv anatropous. Fruit of 1-seeded achenes, or many-seeded follicles. Seeds 

 with copious endosperm and a minute embryo. 



DiSTBiEUTiOH. — Plentiful in temperate and cold regions, rare in the tropics. Geneea, 30. 

 Species 520. In several exotic genera the flowers are irregular, sometimes with a single carpel, or 

 with united carpels, or with baccate fruit. 



Key to the Gbhbea. 

 Tribe I. OLEMATIDBAB. — Sepals valvate. Carpels indehisoent, with a pendulous ovule in each. 

 Climbing shrubs, with opposite leaves. 



1. Clematis. Petals 0. 



II. ANEMONEAE. — Sepals imbricate. Carpels indehisoent, with a pendulous seed in each. 

 Leaves radical or alternate, or forming an involucre below the flower. 



2. Myosusus. Leaves all radical, entire. Achenes numerous, forming a slender, 



elongated spike. 

 III. EANUNCULEAE. — Sepals imbricate. Carpels with an erect seed in each, 



3. Banunodlus. Sepals deciduous. Petals 3, 4, 5, or oo. 

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