CATALOGUE. 421 



Page 103. Epilobium alpinum, L. Labrador, (Butler.) 

 Page 113. Petalonyx^ Thuebeei, Gray. Plant. Thurl. 319. Bot. 

 Mex. Bound., t. 17. Perennial, woody at base, 1-2J° high, covered with a 

 fine short retrorsely appressed rigid pubescence ; cauline leaves 6-15" long, 

 ovate-lanceolate, smaller (2-6") on the branches and usually ovate or tri- 

 angular-ovate, entire or coarsely toothed toward the base ; spikes J-1' 

 long, dense, the bracts similar to the upper leaves, becoming somewhat sca- 

 rious, each subtending 1-3 sessile flowers ; bractlets small, linear ; petals yel- 

 lowish, fading, 2-3" long, the claws sparingly hispid on the outside ; fila- 

 ments and style ^' long, glabrous ; ovary scarcely enlarging ; capsule 1 J-2" 

 long.— Colorado Desert, (Thurber ;) Sonora, (Schott ;) Southern Utah, 

 (Palmer.) 



Mentzelia multifloea, Nutt. Plant. Gamhel. 180. Branched, 3-18' 

 high ; leaves oblong to linear-lanceolate, usually 1-2' long, the lower some- 

 times 4-5' long, pinnatifid with few-many lobes, sinuses deep or shallow ; 

 flowers yellow, fading to white, 4-9" long ; outer filaments dilated ; capsules 

 subturbinate or cylindrical, 3-10" long, 2-3" broad ; seeds about 8 in each 

 row, compressed, smooth. — Arizona to Western Texas and Colorado ; South- 

 ern Utah, (Palmer.) 



Page 117. EcHiNOCACTUS polycephalus, Eng. & Big. Southern Utah, 

 (Palmer.) 



Page 131. Heeacleum lanatum, Mx. Southern Utah, (Palmer.) 



Page 132. Gaeeya ? Leaves elliptic-oblong, acute at each end, 



1-2^' long on 3-6" petioles, densely jjubescent beneath with straight ap- 

 pressed hairs, thinly pubescent or glabrate above, entire, with a revolute not 

 muriculate margin ; fertile aments 1' long, pendulous, crowded ; bracts 

 broad-ovate, connate at base, foliaceous, acute or acuminate, 6-10 pairs; 

 flowers solitary ; fruit densely pubescent ; sterile aments not seen. — A well- 

 marked species, but not identified, though very near G. laurifolia, Benth., 

 which, however, appears to have glabrous or nearly glabrous fruit and flow- 



' PETALONYX, Gkay. Calyx-tube short-cylindrio ; lobes 4-5, linear, equaling the tube, decidu- 

 ous. Petals 4-5, inserted on the margin of the epigynous disk, -with very long claws, the blade ovate- 

 spatulate. Stamens 4-5, with capillary filaments ; anthers didymous. Staminodia none. Ovary 

 1-celled ; style capillary; stigma simple ; ovule solitary, pendent from the top of the cell. Fruit small 

 oblong, fragile, irregularly bursting, hispid. Seed filling the cell ; testa membranous, smooth ; albu- 

 men none ; cotyledons thick, fleshy ; radicle very short. — Au erect herb, branched above, cinereous-scab- 

 erulent, not bristly ; leaves alternate, sessile, subentire ; flowers small, in heads or terminal leaiy spikes, 

 bibraoteolate. Benth. & Hook. 



