102 



ARISTOLOCHIACE.E. Asarum. 



the style ; anthers about a line long, the produced connective setaceous, a line or 

 two lon^ : styles short, nearly distinct, scarcely equalling the anthers : seeds ovate, 



2 lines fong. Proc. Amer. Acad. x. 346. A. Hookeri, var. majus, Duchartre, DC. 



Prodr. xv\°424. 



Frequent in tlie Sien-a Nevada, at an altitude of 4,000 to 7,000 feet ; " growing in tluck tufts, 

 the leaves stiikingly niottled," Gray. 



2. A. caudatum, Liudl. More slender, with elongated rootstocks, rather 

 sparingly pubescent with loose floccose hairs : leaves cordate-reniform, somewhat 

 cucullate, shortly acute or acutish (the smaller sometimes obtuse), sparingly pubes- 

 cent above at least on the veins, 2 to 4 inches long : peduncles slender, G to 15 lines 

 long : ovary about 4 lines broad : calyx-lobes oblong, more or less long-attenuate 

 (1 to 2?- inches long) : hlaments stout ; the free apex of the connective much shorter 

 than the anther : styles united, equalling the stamens : seeds ovate, 1 1 lines long. — 

 Bot. Peg. xvii, under t. 1399 ; Watson, 1. c, A. Hookeri, Fielding, Sert. Plant, t. 32. 



In the Coast Ranges from Santa Cruz to Oregon and British Columbia, in damp woods and 

 canons. 



3. A. Lemmoni, Watson. Closely resembling the last, but leaves flat, all 

 rounded at tlie summit, and nearly glabrous above ; calyx-lobes short (4 to 6 lines 

 long), obtuse or acute : seeds narrower. — Proc. Amer. Acad. xiv. 294. 



In the Sierra Nevada ; Plumas County, J. G. Lemmon, Mrs. R. M. Austin. 



2. ARISTOLOCHIA, Tourn. Pipe-Vine. 



Perianth tubular, irregular, inflated above the elongated ovary and deciduous, the 

 limb variously lobed or cleft. Anthers 6, sessile and adnate to the short simple 

 style. Stigma 3 - 6-lobed or angled. Capsule 6-angled and 6-valved, sei^ticidally 

 dehiscent. Seeds horizontal, in one row in each cell, numerous, flattened. — Mostly 

 twining shrubs, with axillary flowers. 



A widely distributed genus of 170 species ; of which six are found in the Atlantic States. 



1. A. Californica, Torr. Woody, climbing to a height of 6 to 10 feet, more 

 or less densely pubescent with short silky hairs : leaves ovate-cordate, obtuse or 

 acutish, 2 to 4 inches long, on short petioles : peduncles slender, an inch or two 

 lonf^, with a small cordate or obovate foliaceous bract in the middle : calyx-tube 

 broadly saccate and closely doubled upon itself, 15 to 18 lines long from the base to 

 the top of the curvature, half an inch broad, not much contracted at the throat, 

 slightly pubescent ; limb 2-lipped, the upper lip of 2 broad obtuse lobes with a disk- 

 lik°e thickening on the inner side : anthers contiguous in pairs under each of the 3 

 broad obtuse lobes of the stigma : ovary linear-clavate, pubescent : capsule spongy- 

 coriaceous, obovate, attenuate to a slender base, 6-winged, 1^ inches long: seeds 

 cuneate-ovate, deeply concave on the upper side, with a very prominent spongy 

 rhaphe. — Pacif. R. Rep. iv. 128. 



Near tlie coast from Monterev to Marin County, rather rare ; also in the Upper Sacramento 

 Valley, near Fort Reading (Bigc'hw), and at Chico, Mrs. J. Bidivell. Flowers described as dull- 

 purple'at base and summit, paler in the middle. March and April. 



Order XCVIII. RAFFLESIACE^. 



Leafless parasites on the roots or branches of dicotyledonous plants, with regular 

 mostly dioecious flowers, numerous sessile anthers, and 1 -celled more or less inferior 

 ovary with several many-ovuled distinct or confluent placentae ; fruit baccate ; 

 numerous, minute, with bony testa, and embryo without cotyledons. 



