24. ROSACES. 49 



lac'miate; upper ones simple, or with a single tooth. Fed. with 

 16 very small pale blue fl. Legumes hairy, seeds 2, compressed. 

 Frequent. In hedges and amongst corn, also in waste gardens. (B) A. 6 8. 

 Cathcart; Tollcross; Cambuslang; Dumbarton Castle; Gourock; Cumbrae and 

 Arran. 



12. LATHYEIS. Vetchling. 



1. L. PRATENSIS, L. Meadow- Vetchling. Stems climbing or 

 trailing, with narrow wings, 2 3 ft. high. Le. with 1 pair of 

 lanceolate, 3-nerved, acute leaflets. Stip. large, sagittate. Fed. 

 3 12 fl., longer than the leaves. Fl. bright yellow. Legume 

 obliquely veined, smooth, sessile. 



Very common. Pastures and hedges. (B) P. 78. 



2. L. SYLVESTRIS, L. Nar TOW Cleaved Everlasting Pea. Stems 

 climbing or trailing, 3 6 ft. long, with very broad wings. Le. 

 with 1 pair of linear-lanceolate, or lanceolate-acute leaflets ; peti- 

 ole ending in a branched tendril. Stip. lanceolate, with a narrow 

 auricle. Fed. 3 10-flowered, longer than the leaves. Fl. green- 

 ish yellow, stained with purple, rose-coloured on the outside. 



Very rare. " Island of Arran at Struey Rocks," Lands. Very questionable if 

 wild. (E) P. 79. 



3. L. MACRORRHIZUS, Wimm. Tuberous Bitter- Vetchling. 

 Rhizome bearing small blackish tubers. Stem simple, erect or 

 ascending, 8 12 in. high. Le. with 2 or more jpairs of oblong- 

 lanceolate mucronate leaflets ; petiole terminating in a small 

 point. Stip. half arrow-shaped, with a broad tooth near the base. 

 Fed. 2 6 fl. equal to, or longer than, the leaves. Fl. drooping, 

 pale purple or crimson, fading to a dull blue. Legume long, 

 cylindrical, pendulous. 



Frequent. Thickets and dry banks. (B) P. 57. Kelvin woods; Kenmuir 

 bank ; wood near Buttery-burn Loch ; Gourock ; Cumbrae, &c. 



24.-ROSACEJE. 



1. PRUNES. Plum, Cherry. 



A. Young leaves convolute. Flowers solitary, or in pairs. 



1. P. COMMUNIS, Huds. Le. ovate or oblong-obvate, stalked, 

 bluntly serrated, when young downy beneath. Flowers appear- 

 ing before or along with the le. 



Var. Apin6sa, L. Blackthorn, Sloe. A small rigid bush, 3 4 

 ft. high, or even larger, with crooked branches, very spinous, 

 flowers generally appearing before the le. Pedicels smooth. 



Common. Hedges and woods. (B) Sh. 45. Cathcart; Rutherglen and 

 Cambuslang. 



Var. insitUia, L. Bullace-Tree. Similar to the sloe, but of 

 larger growth, with nearly straight branches, and few spines. Fl. 



