j. Eriogonum Michx. 
Annual or perennial herbs or shrubs with chiefly basal leaves without 
stipules. Flowers perfect, persistent and frequently reflexed in age, borne 
in glomerules which may be solitary and terminal, distributed along the 
branches or disposed in umbels, each subtended by a variously modified 4-Be> =| 
lobed) involucre, the lobes either nearly free and spreading or joined into 
a top shaped, sheathing cupe Perianth 6-parted, often highly colored, in some 
species narrowed at the base so as to resemble the pedicel to which it is 
joined. Stamens 9. Styles 5. Achene d-angled. 
oInflorescence a solitary terminal glomerule; plants 5-10 cm. 
’ 
4 tall i. Ee. ovalifoliun 
o infloresvence of several glomerules in terminal umbels, 
4 simple or compound, plants 15-50 cme tallec~ 
2 Ferianth silky-villous on outer surface; involucre 
i, top shaped, toothed at the apex, not lobedex* 
4 Perianth rose-color or white, the anthers purple 2. Ee pyrolaefolium 
—_—_— 
4 Perianth light yellow, the anthers flesh-colored 
Q or yellow 3. HE. biperi 
+ Perianth glabrous throughout; involucre distinctly 
& lobed, the lobes 5-10 mn. longe<* 
Flowering stems bearing a secondary whorl of ! 
@ leaves near the middle A. le heracleoides | 
4 Flowering stems naked to the involucregy | 
(, Leaves densely white tomentose on both sur- 
/o faces 
5S Ee proliferum 
(, Leaves green on the upper surface 6. Ee subalpinun 
