‘  PRIMULACEZ. 3 77 
6. ANAGALLIS, Tournefort. 
L A. arvensis, L. Square stems: leaves ovate: corolla often aalmon-purple, 
7. CENTUNCULUDUS, Dillenius. 
1, ©. minimus, L. Slender: corolla lobes acute, shorter than calyx. 
8. SAMOLUS, Tournefort. 
lL. S Valerandi, L., var. Americanus, Gr. Corolla white, a line long or less, 
STYRACACES. 
1. STYRAX, Tournefort. 
1. & Oalifornica, Torr. Shrub: spatulate corolla lobes, 8 or 9 lines long, white, 
OLEACEE. 
1. FRAXINUS, Tournefort. 
1. ¥F. dipetala, H. & A. Leaflets serrate: petals 2, white, 2 lines long. 
F 
2. Oregana, Nutt. Leaflets mostly entire: flowers diecious, apetalous, 
APOCYNACESE, 
Flowers in terminal cymes: corolla campanulate, white or pinkish......0....0e.0e00. 1 
Flowers on scape-like peduncles: corolla short: funnelform, rose-purple.............. 2 
1. APOCYNUM, Tournefort. 
1. A. androsemifolium, L. Spreading: leaves ovate: corolla 3 or 4 lines long. 
2, A. cannabinum, L. More strict: leaves narrower, nearly sessile: corolla smaller, 
2. CYCLADENIA, Bentham. 
1, C, humilis, Benth. Smooth, low: corolla 9 lines long, throat hairy: style long, 
Var. tomentosa, Gr. Densely hairy: leaves 2 or 3 pairs, 1 to 3 inches long. 
ASCLEPIADACEE. 
Stem twining: anthers with scale-like appendages: corolla rotate.........se0-seseeee-A 
Stem erect: anthers with hooded or cup-like appendages: petals reflexed. 
