﻿I^-^omoea.] coNVOLVULACEiE (Baker & Wright). 47 



Leaves linear, not hastate nor auricled 



at the base .„ (21) bowieana. 



Leaves obtuse at the base, but not 

 cordate : 



Sepals unequal : 



Leaves densely covered with 



ashy tomentum (22) bellecomans. 



Leaves not densely tomen- 

 tose : 



Corolla about 2 in. in 



diam (23) crassipes. 



Corolla about 1 in, iu 



diam (24) sarmeatRcea. 



Sepals equal : 



Leaves oblong or ovate : 



Tomentum dense, silvery (25) snblucens. 

 Tomentum dense, brown (26) oblongata, var. 



hirsuta. 

 Tomentum sparse : 



Sepals 6-9 lin. long (26) oblongata. 

 Sepals 3-4 lin. long (27) contorta. 



Leaves lanceolate (28) xiphosepala. 



Leaves broad, hastate at the base ... (29) graciliaepala. 

 Leaves cordate at the base : 



Leaves white tomentose on the 



underside of the veins (30) albiveaia. 



Leaves densely hairy : 



Peduncles longer than the 

 leaf -blade : 



Petioles very short ... (23) crassipes, var. 



longepednncalata. 



Petioles long (31) purpurea. 



Peduncles shorter than the 

 leaf-blade : 



Calyx glabrous (32) convolvuloides. 



Calyx tomentose ... (33) undulata. 



Leaves glabrous or slightly hairy : 

 Flowers 2^-3 in. long : 



Corolla rosy-pink ... (34) Woodii. 



Corolla white (35) saundersiana. 



Flowers less than 2 in. long : 



Leaves almost coriaceous (36) lambtoniana. 

 Leaves membranous : 



Sepals obtuse ... (37) bathycolpoB. 

 Sepals acute : 



Peduncles shorter 

 than the pe- 

 tioles : 



Corolla rose 



or white ... (38) cardioiepala. 

 Corolla sul- 

 phur-yellow (39) geminifiora. 

 Peduncles much 

 longer than the 

 petioles .„ (40) obscura. 



** Leaves lobed : 



Leaves cordate, irregularly lobe<1 (41) Papilio. 



Leaves ovate or oblong, repand-pinnatifid (42) petunioides. 

 Leaves palmately lobed : 

 Lobes of leaves broad : 



