364 PENNELL: THE SPECIES OF KNEIFFIA 
for intensive cultivation and study, it may be well, from the. 
viewpoint of the taxonomist, to present an outline of its com- 
position. 
For this study I have examined specimens in the herbaria of 
the New York Botanical Garden, United States National Museum, 
Missouri Botanical Garden, Academy of Natural Sciences of 
Philadelphia, University of Pennsylvania and Charleston Museum. 
Stem-leaves broadly linear to ovate. Bracts similar 
to the leaves, linear, longer than the capsules. 
Stigmas linear, conspicuous. Wings of capsule 
pronounced. KNEIFFIA. 
Mature capsule clavate-lineat, not stipitate. 
Hypanthium 20-25 mm. Jong. Sepals with 
spreading-hirsute caudate tips, 2-4 mm. 
long. Petals 20-25 mm. long. Stem, 
leaves and capsules hirsute. 1. K. pratensis. 
Hypanthium 10-12 mm. long. Sepals with 
shorter tips, strigose or somewhat spread- 
ing-pubescent. Petals 15-1 
Stem, leaves and capsules aceite or 
. appressed-pubescent. 2. K. sessilis. 
Mature capsule-body clavate to oblong, more or 
less stipitate. 
etals of earlier Ronee: 12-25 mm. long. 
Inflorescence when in fruit much less 
some interspersed gland-tipped hairs. 
Mature capsule-body about as wide as 
Pat usually much shorter than 
the stipe. 
earmake with minute appressed 
hairs. Leaves broadly linear, 
strigillose to glabrous. Basa 
leaves narrowly oblanceolate. 3. K. subglobosa. 
Capsule hirsute-strigose. Leaves 
linear-lanceolate, densely silvery- 
silky. 4. K. arenicola. 
Mature a longer than wide, 
longer than, about equaling or 
sometimes shorter than the stipe. 
Basal leaves broadly lanceolate 
to ovate. 
Stipe and capsule-body both pubes- 
cent with glandless hairs, the 
