Evolvulus.} CONVOLVULACE. 725 
616. Cressa Linn. 
mall, branching undershrubs, erect or diffuse, grey-pubescent ; 
leaves small, sessile, ovate. Flowers small, sessile in the upper 
or passing into terminal spikes or heads; bracts 2, small. 
connate in a small, funnel-shaped corolla; tube short; lobes 
Ovate, distinct, hirsute externally, imbricate. Stamens 5, exserted ; 
filaments ge connate below. Carpels connate in a 2-celled 
Ovary; ovules 4; styles 2, fea entire, weer stigmas capitate. 
Fruit a 24- aah capsule, usually 1-locular and 1-seeded. Seed 
glabrous ; cotyledons linear, plicate. 
1322. Cressa cretica Linn.; F. B. I. iv. 225; E. D. C. 2057. 
C. indica F, I. ii. 72 
C. Bengal. 
A small, erect, branching annual. 
617. Evolvulus Linn. 
Small herbs or undershrubs, prostrate or erect, never climbing ; 
leaves small, entire, often distichous. Flowers small, white or 
luish, in axillary, few-flowered, Peep are or pene cymes. 
Sepals 5, small, subequal, not enlarged in tals 5, connate 
in a small eg ea or subrotate oeetie? rl plicate, sub- 
entire. Stamens 5, included or exserted; filaments iteider. 
Carpels edhinined in a 2-celled, or rarely 1-celled ovary ; ovules 
‘Styles 2, free from the base, each cleft into 2 linear or suchas 
Stigmas, papillose on the inner face. Fruit a 4-valved, less often 
2- -valved, 2- or 1-celled capsule. Seeds 4 or 2, rarely solitary, 
glabrous : cotyledons twice folded. 
Leaves oblong or linear-lanceolate, all parts more or aim silky- hairy ; 
hairs white, taw: ny, or rusty; flowers blue or almost white ; corolla 
almost transparent; branches diffuse, not rooting at a nodes :-— 
Leaves oblon alsinoides 
Leaves linear-lanceolate alsinoides var. linifolius. 
Leaves almost orbicular, subcordate, all parts green, very sparingly hairy ; 
flowers pure white ; corolla opaque ; branches prostrate, pi Pe at the 
nodes ummularius 
1323. Evo.vonus atstnorpes Linn.; F. I. ii. 105; F. B. 1. iv. 220. 
E. hirsutus F. I. ii. 106. 
