é. 
Macbride — Revision of Oreocarya 25 
rages a and hispid; nutlets tuber- 
— of the tubercles nr ae 
ae eee ce ue ee ee eee 20. O. depressa. 
g. Leaves strigilose or hispid, not or scarcely 
tom —— tlets not at all tubercu- 
intown 
h. Densely cespitose species only about 1 
hi escence congested even ‘ 
frui 
i. Hispid sor Ode of leaves about as 
vide stone poms ee 
xh ubes 
j. Nutlets sinuously and finely rugulose 
and m oh ee plants es 
a ae [Sent pies . O. caespitosa, 
}. owen muriculate, weith es _— a 
ae; leaves strig 
pid; plants of i flats. on 22. O. Shanizii. 
J. Nutlets gest man yo with one kind of 
papillae; leaves ieibtenti entose 
and es plants of coland non- 
ie MOUs) hide wees. 3. O. dolosa. 
i. Hispid tins of leaves more notice- 
able than the strigillose indument; 
st 8 muriculate with distinct 
Sill, GEE eocilate Wi WEE alee « 24. O. nana 
h. Plants ae ee 5 dm. high, more loosely 
tufted; inflorescence becoming moder- 
__ ately open in fruit z 
their bases; ari pubescence of 
leaves somewhat spreading; nutlets 
muriculate with distinct aeilios. .25. O. commizta. 
of leaves app pains 9 
~— with fine cterlacad bee and 
inute pap 
Nutlets smooth or essentially so (except in _ 
Mexican O. Palmeri) and sep arated b 
lar; inflorese se-p: 
J: Nutlets donnie lustrous; species someon typically 
Mexican 4g. 
g. Stems and leaves very pubescent h. 
h. Strigosely canescent, the ee: eg! 
ppressed ; plants ts usually less 
Stems erect or ascending; keel of nutlet 
not strongly elevated above scar.27. O. suffruticosa. 
ms nt; keel of nutlet 
pra or less strongly elevated above 
igh PEs AKA a os 27a. var. abortiva, 
h. ange gen a ame; plat pubescence, * 
the stems; plants often mo 
i. Pubescence of on in part hispid- 
GPTEAMING. . pees eceneeseees 28. O. multicaulis. 
