BETEBMIXATIOMS AMD COBBECTIOMS. 
Subscribers to former sets should observe the following : 
1885 . 1889 . 
306 Abutilon Berlaudieri, Gray, 
var. deutatum, Gray. 
431 Setaria glauoa, P. B., 
var. laevigata, Vasey. 
386 Aristida uiiiaristata, Vasey. 
388 Aristida filifolia, Scribn., n. sp. 
387 Aristida Schiedeana, HBK. 
.389 Aristida Orizabae, Fourn. 
385 Stipa multinodis, Scribn. 
384 Stipa flexuosa, Vasey. 
394 Muhlenbergia Pringlei, Scribn. 
395 Muhlenbergia Lemmoni, Scribn. 
396 Muhlenbergia nionticola, Buckley. 
397 Muhlenbergia calaraagrostidea, Kth.? 
452 Notholaena Candida, Hook., 
var. cretacea, Davenport. 
441 Notholaena Pringlei, Davenp. 
448 Pellaea cordata, J. Smith. 
271 Selaginella Pringlei, Baker, n. sji. 
1886 . 
706 Myosurus Pringlei, E. Huth, n. sp. 
731 Cotyledon parviflora, Hemsl., 
var.? squamulosa, Watson. 
753 Gnaphalium leucocephalum. Gray. 
755 Gymnolomia triloba. Gray (not Zalu- 
zania.) 
802 Agave Kerchove, Lein. 
827 Cheilanthes Mexicana, Davenport. 
1887 . 
1200 Linum Pringlei, Wat son, n. sp. 
1249 Prionosciadiiini Pringlei,Wats.,n.sp. 
1264 Eupatoriuni Lemmoni, Rob., n. sp. 
1431 Deschampsia fllifolia, Scribn., n. sp. 
(not Trisetum.) 
1430 Deschampsia filifolia, Scribn., var. 
aristata, Scribn., n. var. (not Trisetum.) 
1444 A.splenium dHbio,snm, Davenp., n. sp. 
1441, 3391 Cheilanthes farinosa, Kaulf. (not 
Notholaena Candida.) 
1888 . 
1795 Senecio heracleifolius, Hemsl. 
2452 Polygala Pringlei, Watson, n. sp. 
2010 Eryngium Lemmoni, C. & R., n. sp. 
2345 Salmea Palmeri, Watson, n. sp. 
2438 Calea scabrifolia, HBK. (not Pery- 
menium.) 
2595 Erythroea Pringleana,Wittrock,n.sp. 
2598 Schultesia Mexicana, Watson, n. sjj. 
2553 Nemastylis brunnea, Watson, n sp. 
2563 Cyperus Brainerdi, Britton, n. sp. 
1890 . 
3137, 3248 Neopringlea integrifolia, 
Watson, n. gen. (not Llavea.) 
3211 Desmodium pachyrhizum, Vag., 
var.? subsimplex, Benth. 
3289 Desmodium Lindheimeri, Vail, n. sp- 
.3229 Eryngium phyteumatos, Delar. 
3180 Eryngium Mexicayium, Watson, n. sp. 
3236 Golionema heterophylla, Watson, 
N. GEN. (not Oligonema.) 
3337 Lobelia parviflora. Mart. & Gal.? (not 
Laurentia.) 
3302 Laurentia ovatifolia, Rob., n. sp. 
3136 Sebastiania Pringlei, Watson, n. sp. 
(not Gymnanthes.) 
3175 Scirpns Potosinus, Clarke, n. sp. (not 
Cyperus.) 
3262 Cyperus piceus, Liebm. 
3334 Eragrostis Vahlii, Nees. 
3335 Epicampes Bourgaei, Fourn. (not 
Sporobolus.) 
3352 Polypodium plesiosorum, Kunze, 
var. Bakeri, Davenp., n. var. 
1891 . 
3846 Leucaena macrocarpa. Rose. 
3819 Beilis purpurascens, Rob., n. sp. 
3802 Lithospermnm revolidnm, Rob., n. sp. 
3749 Citharexylum brachyanthum. Gray. 
(not Lycium.) 
3879 Pisonia hirtella, HBK. (not Boer- 
haavia.) 
.3912 Yucca australis, (Engelm.) Trelease. 
.3855 Eriocaulon bilobatum, Morong, n. sp. 
h 19b i 
