18. ACERACE^E. 33 



beneath. Fl. few, subcymose, bright yellow. Sep. very unequal. 

 Cap. half as long again as the sepals. Plant frequently tinged 

 with red when mature. 



Frequent. Heathy places and dry pastures. (B) P. 78. Banks of Kelvin and 

 Clyde ; Stonelaw ; Cambuslang ; Paisley Canal tank, &c. 



8. H. PULCHRUM, L. Small Upright St. John's-wort. Stem 

 erect from a decumbent base, round, glabrous, 12 18 in. high. 

 Le. cordate, amplexicaul, shining, glabrous. Sep. blunt, broadly 

 ovate, bordered with dark glands. Fl. bright yellow, tinged on 

 the outside with red. Panicle cymose, long and narrow. Anth. 

 red. 



Frequent. Dry banks, woods and heaths. (B) P. G 7. Paisley Canal bank ; 

 Cambuslang glen ; Kelvinside wood ; Cathkin hills ; Gourock, &c. 



9. H. HIRSUTUM, L. Hairy St. Johrfs-viort. Stem erect 

 from a decumbent base, round, hairy, 1| 2 ft. high. Le. ellip- 

 tical or oval, sessile, or slightly stalked, downy. Fl. few, in 

 irregular dichotomous cymes, pale yellow. Sep. lanceolate, acute, 

 fringed with dark stalked glands. Pet. with a few dark dots at 

 the apex. 



Frequent. Woods and bushy places. (B) P. 7 8. Carmyle and Kenmuir 

 banks; Kelvin; Cambuslang; Hamilton on the banks of Clyde, Gourock, &c. 



10. H. ELODES, L. Marsh St. John's-wort. Stem creeping 

 and ascending, branched, round, hairy. Le. roundish, sessile, 

 semi-amplezicaul, clothed with woolly hairs. Fl. few, in a lax 

 cyme, pale yellow. Sep. obtuse, fringed with red stalk glands. 

 Pet. equal-sided. 



Rare. Bute, near Loch Fadd. Lesser Cumbrae ; " King's Cove and Loch 

 Ranza, Arran," Lands. (E) P. 7 8. 



18.-ACERACEJE. 



1. A'CER. Maple. 



* 1. A. PSEUDO-PLA'TANUS, L. Sycamore Great Maple. Leaves 

 very large, 6 8 in. wide, palrnately 5-lobed, lobes acute, un- 

 equally dentate or coarsely serrate. Rac. pendulous. Fl. nume- 

 rous. Fr. a double samara, with slightly diverging wings. A 

 large handsome tree. 



In woods. Doubtfully native. T. 5 6. 



* 2. A. CAMPESTRE, L. Common Maple. Leaves small, 2 3 

 inches wide, palmately 5-lobed, inciso-crenate. Eac. upright. Fr. 

 as in the former, but the lobes diverge so that they are on the 

 same plane. A small tree, of slow growth, with bark full of 

 fissures, wood often elegantly curled with knots, a doubtful 

 native. 



In woods. Not common. (E) T. 5 G. In an old garden on the Great Western 

 Road; St. Germans Loch; Cumbrae, &c. 



C 



