232 POLYANDRIA MONOGYNIA. [cL. XIII. 



derived his family name from a large tree of this species, the Swedish 

 name of which is Lin. Probably naturalized : flowers in July. 

 Eng. Bot.vol. ix. pi. 610. Eng. Fl. vol. iii. p. 17. 806. 



2. T. grandifolia. Broad-leaned Lime-tree. Flowers without nec- 

 taries ; leaves roundish, heart-shaped, pointed, serrated, downy, es- 

 pecially beneath, with hairy tufts at the origin of the veins ; umbels 



three-flowered ; capsule turbinate, downy. Flowers in August : 



found in woods and hedges, but, like the other two species, pro- 

 bably not indigenous. Eng. Fl. vol. iii. p. 18. 807. 



3. T. parmfolia. Small-leaved Lime-tree. Flowers without nec- 

 taries ; leaves roundish, heart-shaped, serrated, pointed, glaucous 

 beneath, with hairy tufts at the origin of the veins, and scattered 



hairy blotches ; capsule roundish, nearly smooth. A handsome 



tree, distinguished from the former by its much smaller leaves and 

 flowers : germen densely woolly : flowers in August : grows in woods 

 in Essex, Sussex, &c.: frequent. Eng. Bot. vol. xxiv. pi. 1705. Eng. 

 Fl. vol. iii. p. 21. 808. 



8. HELIA'NTHEMUM. ROCK-BOM:. 



Calyx inferior, of five unequal, permanent leaves, the two 

 outermost smaller. Petals five, much larger than the calyx, 

 equal, spreading, roundish. Filaments numerous, hair- like, 

 shorter than the corolla ; anthers small, oval. Germen su- 

 perior, nearly globular. Style simple ; stigma knobbed. Cap- 

 sule angular, celled, covered by the closed, permanent calyx. 

 Seeds numerous, small, angular. Name from helios, the sun, 

 and anthos, a flower. 265. 



* Stem icoody ; no stipules. 



1. S.cdntttn. Hoary Dwarf Rock-rose. Steins decumbent ; leaves 



opposite, stalked, hoary beneath. Root woody : stems branched 



at the base, each branch ascending and terminating in three or four 

 corymbose flowers : leaves egg-shaped, acute, covered on both sides 

 with close hairs : calyx hairy : petals inversely egg-shaped, bright- 

 yellow. Perennial : flowers in May and June : grows on elevated 

 rocks and in mountainous pastures, in Wales and the north of Eng- 

 land: rare. Eng. Bot. vol. vi. pi. 39 6. Cistus marifolius. Eng. Fl. 

 vol. iii. p. 23. 809. 



** Stem herbaceous, without stipules. 



2. H. guttdtum. Spotted Annual Rock-rose. Stem erect, herba- 

 ceous ; stipules and bracteas none ; leaves opposite, lance-shaped, 



three-ribbed. Stem about six inches high, slightly branched : 



one or more simple, erect, terminal clusters : petals yellow, with a 

 red spot at the base. Annual : flowers in June and July: grows in 

 sandy pastures, in Jersey and Anglesea : very rare. Eng. Bot. vol. 

 viii. pi. 544. Eng. Fl. vol. iii. p. 24. 810. 



*** Stem woody, with stipules. 



3. H. vulgdre. Common Rock-rose. Stems shrubby, procumbent, 

 with fringed stipules ; leaves oblong, white, and downy beneath ; 

 calyx smooth -with bristlyribs, its outer leaves lance-shaped, fringed. 



Stems numerous, round, downy, simple, terminating in a cluster 



of flowers : stipules lance-shaped, green on both sides, petals pale- 

 yellow. A shrub: flowers in July and August : grows in hilly pas- 

 tures on gravelly soil. Eng. Bot. vol. xix. pi. 1321. Eng. Fl. vol. iii. 



