:o4 



GERANTACE.E 



with broadly-ovate, obtuse stipules ; flowers pink. — Waste places ; 

 rare, not indigenous inland. — Fl. June, July. Annual. 



3. E. maritimmji (Sea stork's-bill). — A small plant, roughish, 

 with minute hairs, and sending out several leafy stef?is, which lie 

 remarkably close to the ground ; the ka7^es are not pinnate, as in 

 the other British species, but ovate, cordate, and crenately lobed ; 

 and the peduncles bear one or two minute, generally apetalous, 

 floivers. — Sandy places near the sea, especially in the west of 

 England ; rare. Like many other seaside plants, it is not un- 

 frequently met with in inland, mountainous distiricts, occurring 

 plentifully on Dartmoor, in Devonshire, many miles from the sea. 

 — Fl. all the summer. Perennial. 



3. 6xALis (Wood-sorrel). ^ — Acid herbs with sensitive, ternate 

 leaves; flowers on axillary, i- or more-flowered peduncles, 



polysymmetric ; sepals 5, united 

 below, imbricate ; petals 5, often 

 united below, convolute; sta9?iens 

 10, monadelphous, the 5 outer 

 ones shorter; ovary 5-cham- 

 bered ; styles 5 ; fri/it a capsule ; 

 seeds with an elastic testa, which 

 splits hygroscopically, throwing 

 the body of the seed to a distance. 

 (Name from the Greek oxiis^ 

 acid.) 



I. O. Acetosella (Common 

 Wood - sorrel. Alleluia). — An 

 elegant little plant with a creep- 

 ing rhizome and delicate, radical, 

 trefoil, hairy leaves, which, 

 though not so sensitive as some 

 foreign species, fold together ver- 

 tically at night, being thus pro- 

 6xALis ACETOSELLA {Comjnofi Wood-sorrei). tcctcd from radiated cold. The 



peduncle has two bracts about 

 the middle and is single-flowered ; and the flowers have obovate 

 white or lilac-veined /^/^z/y. Apetalous, cleistogene seed-yielding 

 flowers are produced later in the season, as in the violets (see 

 p. 64).^Woods and shady places ; common. — Fl. April — August. 

 Perennial. 



2."^ O. stricta^ a downy plant with prostrate branched stem 

 without runners, and 2 — 3-flowered peduncles bearing yellow 

 flowers, may be indigenous in Devon and Cornwall. — Fl. June — 

 September. Annual. 



