NATURAL SCIENCES OF PHILADELPHIA. 171 



This plant combines the exserted stamens of A. cernuum with the 6-lobed crest 

 of A. stellatum Nutt. 



§^ Bracts of the spathe 4 — 6. 



A. Sanbornh (n. sp.) Bulbo ovato, albo ; foliis ante anthesin evanescenti- 

 bus (ignotis) ; scapo gracilente, procero (2 — 3 ped.), basi longe vaginatis ; 

 umb. globosa, confertim 40 — 100 flora; spatha e bracteis 4 lanceolatis 

 acuminatis ; ped. filiformibus, floribus purpureis longioribus ; segm. erectis, 

 oblongis, basi gibbosis ; interioribus longioribus ; stam. et stylo gracillimo 

 exsertis ; fil. capillaribus, basi dilatatis ; stigm. trifida ; caps, trilobata, tri- 

 sperma, glandibus 3 coronata; spermatibus angulatis, albo-luteis (inimaturis). 

 — In coUibus umbrosis, Yuba Co. prope Foster's Bar (S. S. Sanborn, Esq.) Aug. 

 Flores 3 lin. longi. 



A. MARiTiMUM Torr. Bulb globular, corm-like ; leaves 3 — 6, linear, longer 

 (often shorter) than scape; umbel about 10-flowered, fastigiate ; spathe of 3 — 

 6 narrow bracts, sepals distinct almost to base, oval, with a wide midvein and 

 callous tip, some longer than the stamens; fil. dilated at base; capsule globu- 

 lar, size of a peppercorn, 30-ovuled, perfecting about nine black seeds. — Hills 

 near the sea and bay, Santa Cruz to Benicia and Marin Co. 6 — 12''. Flowers 

 small, white. April. 



A. CROCEUM Torr. Leaves several, linear, as long as the slender scape (1 f.) ; 

 umbel 9 — 12-flowered, pedicels spreading, 8 — 10''^; spathe of 4 — 5 lanceolate, 

 acuminate bracts ; sepals oblong, acutish, orange-yellow, 4 — b'^ ; stamens 

 shorter, fil. 2-tootlied at base ; capsule obovate. — Mountains east of San Diego 

 (Mex. Bound. Rep. ii, 218). V. s. in herb. Torrey. 



HESPEROSCORDIUM, Lindl. ("Ea-^rJ/Jsc, evening, ffwfSov, garlick.) 



Perianth acute at base, articulated to the pedicel ; segments 6, distinct,, 

 spreading above ; stamens six, short, equal, fil. dilated, coherent andperigynous 

 at base ; ovary stipitate, many-ovuled ; style slender ; capsule ovoid, 3-celled, 

 3-valved : seeds 00, black. — Corm coated, scape umbelliferous. Involucre of 4 

 or more bracts. Flowers erect, white. 



R. LACTEUM Lindl. Corm globular, fibrous-coated, brown ; leaves 2, linear, 

 shorter than the tall scape ; flowers 10 — 25, shorter than their pedicels; seg- 

 ments cream- white, 1-veined, oblong, obtuse, 6 — 7^^ long; fil. at base broad 

 and connate, forming a corona half the length of the perianth ; stipe nearly 

 the length of the capsule. — San Mateo Co. (Mr. Easton), to the Sacramento 

 and Wahlamette. 2 f. [H. hyacinthinum Lindl. is the same plant.) 



TRITELEIA, Dougl. (T/iic, thrice, rkao?, complete.) 



Perianth 6-parted, funnel-form, persistent, segments spreading, 1-veined ; 

 stamens 6, the 3 inner higher and longer; fil. adherent to the tube, anthers 

 linear-oblong, fixed by the middle ; stigmas 3-lobed, style distinct ; capsule 

 short-stipitate (in our species), cells 3, about 10-seeded. — Bulbous. Scape 

 umbellate or 1-flowered. Spathe of 2 bracts. 



T. GRANDiFLORA Lindl., Hook. Leaves linear, glaucous, shorter than the tall 

 (2 f.) scape ; spathe equalling the pedicels, which are scarcely as long as the 

 perianth; stipe shorter than the ovary or the style ; stigmas 3-lobed; umbel 

 few-flowered. — Plains of the Columbia and Wahlamette. The specimen in 

 Dr. Torrey's herbarium is from the Dalles. I did not meet with it. (V. s.) 

 Flowers white ? 



SUBERTIA, Kunth. (In honor of Dr. Subert, a German botanist.) 



Perianth funnel-form, attenuate at base, half-6-cleft ; segments erect, 3- 

 veined in the middle ; stamens 6, included, fil. inserted at top of tube ; anthers 



1868.] 



